. Fig. 43.—Eutypellii prunastri. i, portion of stem of young plum-tree show- ing conidial stage of fungus ; 2, portion showing a.scigcrous stage on the dead bark. especially when the soil is inclined to be stiff. Under such circumstances numerous large lenticels are formed on the stem, and I have found by experiment that if spores of the conidial condition of the fungus are applied to such lenticels during damp weather infection follows. To guard against infection from air-borne spores, cover the trunk and branches with a mixture of lime and soft-soap. Diseased trees should be removed and burn Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-43eutypellii-prunastri-i-portion-of-stem-of-young-plum-tree-show-ing-conidial-stage-of-fungus-2-portion-showing-ascigcrous-stage-on-the-dead-bark-especially-when-the-soil-is-inclined-to-be-stiff-under-such-circumstances-numerous-large-lenticels-are-formed-on-the-stem-and-i-have-found-by-experiment-that-if-spores-of-the-conidial-condition-of-the-fungus-are-applied-to-such-lenticels-during-damp-weather-infection-follows-to-guard-against-infection-from-air-borne-spores-cover-the-trunk-and-branches-with-a-mixture-of-lime-and-soft-soap-diseased-trees-should-be-removed-and-burn-image180027336.html
RMMCTXKM–. Fig. 43.—Eutypellii prunastri. i, portion of stem of young plum-tree show- ing conidial stage of fungus ; 2, portion showing a.scigcrous stage on the dead bark. especially when the soil is inclined to be stiff. Under such circumstances numerous large lenticels are formed on the stem, and I have found by experiment that if spores of the conidial condition of the fungus are applied to such lenticels during damp weather infection follows. To guard against infection from air-borne spores, cover the trunk and branches with a mixture of lime and soft-soap. Diseased trees should be removed and burn
Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] CLAVICEPS 223 Ergot.—This well-known disease, caused by Claviceps piirpicrea (Tul.), is often developed in the ears of various Fig. b.—Claviceps purpurea, i, ergot on rye-grass; 2, ergot on rye; 3, section of portion of conidial fruit ; 4, sclerotium or ergot bearing the stalked, ascigerous form of fruit; 5, head of ascigerous fruit showing warted surface, due to projecting mouths of perithecia; the section shoNss perithecia sunk in the fleshy stroma ; 6, ascus ; 7, free need Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-claviceps-223-ergotthis-well-known-disease-caused-by-claviceps-piirpicrea-tul-is-often-developed-in-the-ears-of-various-fig-bclaviceps-purpurea-i-ergot-on-rye-grass-2-ergot-on-rye-3-section-of-portion-of-conidial-fruit-4-sclerotium-or-ergot-bearing-the-stalked-ascigerous-form-of-fruit-5-head-of-ascigerous-fruit-showing-warted-surface-due-to-projecting-mouths-of-perithecia-the-section-shonss-perithecia-sunk-in-the-fleshy-stroma-6-ascus-7-free-need-image241933129.html
RMT1H04W–Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] CLAVICEPS 223 Ergot.—This well-known disease, caused by Claviceps piirpicrea (Tul.), is often developed in the ears of various Fig. b.—Claviceps purpurea, i, ergot on rye-grass; 2, ergot on rye; 3, section of portion of conidial fruit ; 4, sclerotium or ergot bearing the stalked, ascigerous form of fruit; 5, head of ascigerous fruit showing warted surface, due to projecting mouths of perithecia; the section shoNss perithecia sunk in the fleshy stroma ; 6, ascus ; 7, free need
. The fungi which cause plant disease . Plant diseases; Fungi. 140 THE FUNGI WHICH CAUSE PLANT DISEASE 22 S. linhartiana P. & D.^* is reported on quince in France. S. mespili Schell on medlar. S. seaveri, Rehm., comdia=Monilia seaveri, is on Prunus serotina.^'* S. padi Wor. is found on Prunus padus and Castanea." It possesses a Monilia-form conidial stage with typical dis- junctors, i. e., spindle-shaped cellulose bodies between the conidia which easily break across to facilitate the separation of the conidia.. Fig. 95.—S. libertiana. Sclerotia produced in artificial cul- ture. After Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-140-the-fungi-which-cause-plant-disease-22-s-linhartiana-p-amp-d-is-reported-on-quince-in-france-s-mespili-schell-on-medlar-s-seaveri-rehm-comdia=monilia-seaveri-is-on-prunus-serotina-s-padi-wor-is-found-on-prunus-padus-and-castaneaquot-it-possesses-a-monilia-form-conidial-stage-with-typical-dis-junctors-i-e-spindle-shaped-cellulose-bodies-between-the-conidia-which-easily-break-across-to-facilitate-the-separation-of-the-conidia-fig-95s-libertiana-sclerotia-produced-in-artificial-cul-ture-after-image232037821.html
RMRDE6H1–. The fungi which cause plant disease . Plant diseases; Fungi. 140 THE FUNGI WHICH CAUSE PLANT DISEASE 22 S. linhartiana P. & D.^* is reported on quince in France. S. mespili Schell on medlar. S. seaveri, Rehm., comdia=Monilia seaveri, is on Prunus serotina.^'* S. padi Wor. is found on Prunus padus and Castanea." It possesses a Monilia-form conidial stage with typical dis- junctors, i. e., spindle-shaped cellulose bodies between the conidia which easily break across to facilitate the separation of the conidia.. Fig. 95.—S. libertiana. Sclerotia produced in artificial cul- ture. After
. The fungi which cause plant disease . Plant diseases; Fungi. 498 THE FUNGI WHICH CAUSE PLANT DISEASE Fusicoccum Corda (p. 483) Stroma subepidermal, several-chambered, erumpent, leathery, black; conidia fusoid, straight and usually large. Some forty species, several of which are regarded as conidial forms of Diaporthe and Gnomonia. F. veronense Massal on Sycamore and Oak=Gnomonia veneta. See p. 274. F. viticolum Red. on grape=Cryptosporella viticola. See p. 280. 0?^. Fig. 343.—F. viticolum, compound pycnidium, germinating spores, pa- raphyses. After Reddick. F. amygdali Del. causes a spot dis Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-498-the-fungi-which-cause-plant-disease-fusicoccum-corda-p-483-stroma-subepidermal-several-chambered-erumpent-leathery-black-conidia-fusoid-straight-and-usually-large-some-forty-species-several-of-which-are-regarded-as-conidial-forms-of-diaporthe-and-gnomonia-f-veronense-massal-on-sycamore-and-oak=gnomonia-veneta-see-p-274-f-viticolum-red-on-grape=cryptosporella-viticola-see-p-280-0-fig-343f-viticolum-compound-pycnidium-germinating-spores-pa-raphyses-after-reddick-f-amygdali-del-causes-a-spot-dis-image216377257.html
RMPG0RB5–. The fungi which cause plant disease . Plant diseases; Fungi. 498 THE FUNGI WHICH CAUSE PLANT DISEASE Fusicoccum Corda (p. 483) Stroma subepidermal, several-chambered, erumpent, leathery, black; conidia fusoid, straight and usually large. Some forty species, several of which are regarded as conidial forms of Diaporthe and Gnomonia. F. veronense Massal on Sycamore and Oak=Gnomonia veneta. See p. 274. F. viticolum Red. on grape=Cryptosporella viticola. See p. 280. 0?^. Fig. 343.—F. viticolum, compound pycnidium, germinating spores, pa- raphyses. After Reddick. F. amygdali Del. causes a spot dis
. Fifi. Z12.— Ventiirin (Fusicladium) dendrilicuvi forming brown wixits on an apple; those still In the earlier stages have a radiate margin and bear conidia. The enlarged section shows two rows of large-celled parenchyma of the apple, covered bv a stroma of pseudopareuchyma bearing conidiophores and conidiu. (V. Tubeuf del.) F. pirinum (Lib.) (U.S. America). This is a cause of " spotting" on leaves and fruits of the pear, also of species of Crataegus and Amclanchier. The conidial patches are brownish in colour. Peglion states that this parasite forms sclerotia in tlie bark of twigs. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fifi-z12-ventiirin-fusicladium-dendrilicuvi-forming-brown-wixits-on-an-apple-those-still-in-the-earlier-stages-have-a-radiate-margin-and-bear-conidia-the-enlarged-section-shows-two-rows-of-large-celled-parenchyma-of-the-apple-covered-bv-a-stroma-of-pseudopareuchyma-bearing-conidiophores-and-conidiu-v-tubeuf-del-f-pirinum-lib-us-america-this-is-a-cause-of-quot-spottingquot-on-leaves-and-fruits-of-the-pear-also-of-species-of-crataegus-and-amclanchier-the-conidial-patches-are-brownish-in-colour-peglion-states-that-this-parasite-forms-sclerotia-in-tlie-bark-of-twigs-image179901322.html
RMMCK5Y6–. Fifi. Z12.— Ventiirin (Fusicladium) dendrilicuvi forming brown wixits on an apple; those still In the earlier stages have a radiate margin and bear conidia. The enlarged section shows two rows of large-celled parenchyma of the apple, covered bv a stroma of pseudopareuchyma bearing conidiophores and conidiu. (V. Tubeuf del.) F. pirinum (Lib.) (U.S. America). This is a cause of " spotting" on leaves and fruits of the pear, also of species of Crataegus and Amclanchier. The conidial patches are brownish in colour. Peglion states that this parasite forms sclerotia in tlie bark of twigs.
Diseases of crop-plants in the Diseases of crop-plants in the Lesser Antilles diseasesofcroppl00nowe Year: 1923 DISEASES OF BANANA 253 described as penetrating the tissue of the rootstock, and these in turn give out hyphae which grow among the cells. The fructifications are borne at or just above ground level. Fig. 98 SpHAEROSTILBE MUSARUM, CONIDIA, ASCUS AND ASCOSPORES Bull. 6, Dept. Agri., Jamaica The conidial stage occurs on small yellow or orange cushions up to 2 mm. diameter, bearing one or more slender white stalks furnished with a brown or brownish red spherical head or ending in a Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-crop-plants-in-the-diseases-of-crop-plants-in-the-lesser-antilles-diseasesofcroppl00nowe-year-1923-diseases-of-banana-253-described-as-penetrating-the-tissue-of-the-rootstock-and-these-in-turn-give-out-hyphae-which-grow-among-the-cells-the-fructifications-are-borne-at-or-just-above-ground-level-fig-98-sphaerostilbe-musarum-conidia-ascus-and-ascospores-bull-6-dept-agri-jamaica-the-conidial-stage-occurs-on-small-yellow-or-orange-cushions-up-to-2-mm-diameter-bearing-one-or-more-slender-white-stalks-furnished-with-a-brown-or-brownish-red-spherical-head-or-ending-in-a-image241967157.html
RMT1JFG5–Diseases of crop-plants in the Diseases of crop-plants in the Lesser Antilles diseasesofcroppl00nowe Year: 1923 DISEASES OF BANANA 253 described as penetrating the tissue of the rootstock, and these in turn give out hyphae which grow among the cells. The fructifications are borne at or just above ground level. Fig. 98 SpHAEROSTILBE MUSARUM, CONIDIA, ASCUS AND ASCOSPORES Bull. 6, Dept. Agri., Jamaica The conidial stage occurs on small yellow or orange cushions up to 2 mm. diameter, bearing one or more slender white stalks furnished with a brown or brownish red spherical head or ending in a
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 143 Botrytis conidial stage but the results of much careful work deny. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Stevens, Frank Lincoln, 1871-1934. New York : Macmillan Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-143-botrytis-conidial-stage-but-the-results-of-much-careful-work-deny-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-stevens-frank-lincoln-1871-1934-new-york-macmillan-image232037797.html
RMRDE6G5–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 143 Botrytis conidial stage but the results of much careful work deny. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Stevens, Frank Lincoln, 1871-1934. New York : Macmillan
. The fungi which cause plant disease . Plant diseases; Fungi. 90 THE FUNGI WHICH CAUSE PLANT DISEASE S.graminicola (Sacc.) Schr.,^''' °' infects leaves and inflorescences, the oospores causing marked distortion of the latter and rapid disintegration of the former; conidiophores 100 x 10-12 n, conidia 20 X 15-18 im; oogonium wall thick, 4-12 fi, at maturitj' 30-60 fi in diameter, reddish-brown; oospore pale-brown, 26-36 /i. The conidial phase is not prominent, while the oospores by their disintegrating effect upon the leaves of the host, render the plants quite conspicuous and closely simulate Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-90-the-fungi-which-cause-plant-disease-sgraminicola-sacc-schr-infects-leaves-and-inflorescences-the-oospores-causing-marked-distortion-of-the-latter-and-rapid-disintegration-of-the-former-conidiophores-100-x-10-12-n-conidia-20-x-15-18-im-oogonium-wall-thick-4-12-fi-at-maturitj-30-60-fi-in-diameter-reddish-brown-oospore-pale-brown-26-36-i-the-conidial-phase-is-not-prominent-while-the-oospores-by-their-disintegrating-effect-upon-the-leaves-of-the-host-render-the-plants-quite-conspicuous-and-closely-simulate-image216460039.html
RMPG4GYK–. The fungi which cause plant disease . Plant diseases; Fungi. 90 THE FUNGI WHICH CAUSE PLANT DISEASE S.graminicola (Sacc.) Schr.,^''' °' infects leaves and inflorescences, the oospores causing marked distortion of the latter and rapid disintegration of the former; conidiophores 100 x 10-12 n, conidia 20 X 15-18 im; oogonium wall thick, 4-12 fi, at maturitj' 30-60 fi in diameter, reddish-brown; oospore pale-brown, 26-36 /i. The conidial phase is not prominent, while the oospores by their disintegrating effect upon the leaves of the host, render the plants quite conspicuous and closely simulate
. Fig. dT.—Koitllinia radiciperda. i, ascigerous condition ; 2, peiilhccia : 3, section of same; 4, ascus containing 8 spores, also two parapliyso^; 5. tip of an ascus after treatment with iodine, showing the arrangement for effecting the opening of the ascus for escape of spores ; 6, a-cospores, one germinating; 7, brown mycelium with swellings; 8, black sclerotiiim bearing a cluster of conidial fruit ; 9, a single conidiophore; 10, conidia ; II, pycnidium ; 12, stylospores from same. (From Kew Bulletin.) Fig. i nat. size ; remainder variously mag. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-dtkoitllinia-radiciperda-i-ascigerous-condition-2-peiilhccia-3-section-of-same-4-ascus-containing-8-spores-also-two-parapliyso-5-tip-of-an-ascus-after-treatment-with-iodine-showing-the-arrangement-for-effecting-the-opening-of-the-ascus-for-escape-of-spores-6-a-cospores-one-germinating-7-brown-mycelium-with-swellings-8-black-sclerotiiim-bearing-a-cluster-of-conidial-fruit-9-a-single-conidiophore-10-conidia-ii-pycnidium-12-stylospores-from-same-from-kew-bulletin-fig-i-nat-size-remainder-variously-mag-image179906458.html
RMMCKCEJ–. Fig. dT.—Koitllinia radiciperda. i, ascigerous condition ; 2, peiilhccia : 3, section of same; 4, ascus containing 8 spores, also two parapliyso^; 5. tip of an ascus after treatment with iodine, showing the arrangement for effecting the opening of the ascus for escape of spores ; 6, a-cospores, one germinating; 7, brown mycelium with swellings; 8, black sclerotiiim bearing a cluster of conidial fruit ; 9, a single conidiophore; 10, conidia ; II, pycnidium ; 12, stylospores from same. (From Kew Bulletin.) Fig. i nat. size ; remainder variously mag.
Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] I90 DISEASES OF CULTIVATED PLANTS the form of miniature pins with pale yellowish heads, and 1-2 mm. high. During January 190S a large consignment of diseased berries was received at Kew from Costa Rica. The berries '' fl,. fJ â Jf fT .7'' VG.z,o.âSpliacros(ilbeflavid<i. i, leaf showing disease ; 2, section showing conidia form ; 3, surface view of white spot bear- ing conidial stage of fungus; 4, section showing perithecia ; 5, two perithecia; 6, ascus containing eiglit s Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-cultivated-plants-and-diseases-of-cultivated-plants-and-trees-diseasesofcultiv00massuoft-year-1910-i90-diseases-of-cultivated-plants-the-form-of-miniature-pins-with-pale-yellowish-heads-and-1-2-mm-high-during-january-190s-a-large-consignment-of-diseased-berries-was-received-at-kew-from-costa-rica-the-berries-fl-fj-jf-ft-7-vgzospliacrosilbeflavidlti-i-leaf-showing-disease-2-section-showing-conidia-form-3-surface-view-of-white-spot-bear-ing-conidial-stage-of-fungus-4-section-showing-perithecia-5-two-perithecia-6-ascus-containing-eiglit-s-image241932460.html
RMT1GY90–Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] I90 DISEASES OF CULTIVATED PLANTS the form of miniature pins with pale yellowish heads, and 1-2 mm. high. During January 190S a large consignment of diseased berries was received at Kew from Costa Rica. The berries '' fl,. fJ â Jf fT .7'' VG.z,o.âSpliacros(ilbeflavid<i. i, leaf showing disease ; 2, section showing conidia form ; 3, surface view of white spot bear- ing conidial stage of fungus; 4, section showing perithecia ; 5, two perithecia; 6, ascus containing eiglit s
. Bulletin of the Department of Agriculture, Trinidad and Tobago. Plants -- Trinidad and Tobago; Agriculture -- Trinidad and Tobago. Fig. 1. ROSELLINIA: PERITHECIA. x 3^.. Fig. 2. ROSELLINIA: CONIDIAL FRUCTIFICATIONS, x U.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Trinidad and Tobago. Dept. of Agriculture. Trinidad : Dept. of Agriculture Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/bulletin-of-the-department-of-agriculture-trinidad-and-tobago-plants-trinidad-and-tobago-agriculture-trinidad-and-tobago-fig-1-rosellinia-perithecia-x-3-fig-2-rosellinia-conidial-fructifications-x-u-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-trinidad-and-tobago-dept-of-agriculture-trinidad-dept-of-agriculture-image233912161.html
RMRGFH9N–. Bulletin of the Department of Agriculture, Trinidad and Tobago. Plants -- Trinidad and Tobago; Agriculture -- Trinidad and Tobago. Fig. 1. ROSELLINIA: PERITHECIA. x 3^.. Fig. 2. ROSELLINIA: CONIDIAL FRUCTIFICATIONS, x U.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Trinidad and Tobago. Dept. of Agriculture. Trinidad : Dept. of Agriculture
. The fungi which cause plant disease . Plant diseases; Fungi. 228 THE FUNGI WHICH CAUSE PLANT DISEASE Trichosphaeria Fuckel (p. 226) Perithecia usually free, globose, woody or carbonous, hairy, ostiole flat or papillate; asci-cylindric, 8-spored; spores 1 to 2-celled, hyaline; paraphyses present. There are some forty species, mainly saprophytes. T. sacchari Mass.^"- ^^ Perithecia broadly ovate, dark-brown, beset with brown hairs; spores elongate-ellipsoid, 1-celled; the conidial forms are various. Fig. 162.—^Trichosphseria. E, habit sketch; G, conidial stage. After Lindau, Winter and Bre Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-228-the-fungi-which-cause-plant-disease-trichosphaeria-fuckel-p-226-perithecia-usually-free-globose-woody-or-carbonous-hairy-ostiole-flat-or-papillate-asci-cylindric-8-spored-spores-1-to-2-celled-hyaline-paraphyses-present-there-are-some-forty-species-mainly-saprophytes-t-sacchari-massquot-perithecia-broadly-ovate-dark-brown-beset-with-brown-hairs-spores-elongate-ellipsoid-1-celled-the-conidial-forms-are-various-fig-162trichosphseria-e-habit-sketch-g-conidial-stage-after-lindau-winter-and-bre-image216459463.html
RMPG4G73–. The fungi which cause plant disease . Plant diseases; Fungi. 228 THE FUNGI WHICH CAUSE PLANT DISEASE Trichosphaeria Fuckel (p. 226) Perithecia usually free, globose, woody or carbonous, hairy, ostiole flat or papillate; asci-cylindric, 8-spored; spores 1 to 2-celled, hyaline; paraphyses present. There are some forty species, mainly saprophytes. T. sacchari Mass.^"- ^^ Perithecia broadly ovate, dark-brown, beset with brown hairs; spores elongate-ellipsoid, 1-celled; the conidial forms are various. Fig. 162.—^Trichosphseria. E, habit sketch; G, conidial stage. After Lindau, Winter and Bre
. Fio. 138.—ScUrotinia megalospora on Vaccinium uliginosum. Partially withered leaf with a white conidial cushion on the mid rib. A, Conidial chains produced on a mycelium, resulting from an artificial culture of ascospores in plum-solution. B, Isokited conidium with remains of disjunctors still attached. (', Twig with upper mummified berry. E, Ascospores ; one in its gelatinous envelope, the other giving off a germ-tube and sporidia. (After Woronin.) form of its conidia, and the manner of their germination; in the form of the sclerotium, and the absence of primordia; in the absence of rhizoid Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fio-138scurotinia-megalospora-on-vaccinium-uliginosum-partially-withered-leaf-with-a-white-conidial-cushion-on-the-mid-rib-a-conidial-chains-produced-on-a-mycelium-resulting-from-an-artificial-culture-of-ascospores-in-plum-solution-b-isokited-conidium-with-remains-of-disjunctors-still-attached-twig-with-upper-mummified-berry-e-ascospores-one-in-its-gelatinous-envelope-the-other-giving-off-a-germ-tube-and-sporidia-after-woronin-form-of-its-conidia-and-the-manner-of-their-germination-in-the-form-of-the-sclerotium-and-the-absence-of-primordia-in-the-absence-of-rhizoid-image179901969.html
RMMCK6P9–. Fio. 138.—ScUrotinia megalospora on Vaccinium uliginosum. Partially withered leaf with a white conidial cushion on the mid rib. A, Conidial chains produced on a mycelium, resulting from an artificial culture of ascospores in plum-solution. B, Isokited conidium with remains of disjunctors still attached. (', Twig with upper mummified berry. E, Ascospores ; one in its gelatinous envelope, the other giving off a germ-tube and sporidia. (After Woronin.) form of its conidia, and the manner of their germination; in the form of the sclerotium, and the absence of primordia; in the absence of rhizoid
. Introduction to the study of fungi; their organography, classification, and distribution, for the use of collectors. Fungi. tiated into chains of hyaline conidia, which fall away and are capable of germinating and producing a new mycelium. In this condition the parasite is a mould, or Hyphomycete, and was formerly in- cluded under the geniis Oidium, under the supposition that it was a complete and autonomous Fungus. Eecent in- vestigation has shown that this stage of mould is Only the COnidial condition of Fig. 87. — Perithecium and some species of the Erysipheae, which ^ ™th sPoridia of suc Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/introduction-to-the-study-of-fungi-their-organography-classification-and-distribution-for-the-use-of-collectors-fungi-tiated-into-chains-of-hyaline-conidia-which-fall-away-and-are-capable-of-germinating-and-producing-a-new-mycelium-in-this-condition-the-parasite-is-a-mould-or-hyphomycete-and-was-formerly-in-cluded-under-the-geniis-oidium-under-the-supposition-that-it-was-a-complete-and-autonomous-fungus-eecent-in-vestigation-has-shown-that-this-stage-of-mould-is-only-the-conidial-condition-of-fig-87-perithecium-and-some-species-of-the-erysipheae-which-th-sporidia-of-suc-image232309509.html
RMRDXH45–. Introduction to the study of fungi; their organography, classification, and distribution, for the use of collectors. Fungi. tiated into chains of hyaline conidia, which fall away and are capable of germinating and producing a new mycelium. In this condition the parasite is a mould, or Hyphomycete, and was formerly in- cluded under the geniis Oidium, under the supposition that it was a complete and autonomous Fungus. Eecent in- vestigation has shown that this stage of mould is Only the COnidial condition of Fig. 87. — Perithecium and some species of the Erysipheae, which ^ ™th sPoridia of suc
. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. Fig. 111.—Aglaospora taleola. Portion of cortex with embedded stromata. a. Corky layer; b, after removal of corky layer; c, section of stroma. ( X y.) (After Hartig.). Fio. 112.—Section of stroma of j4^/aospora. a, Boundary of stroma formed of dark brown fungus - m ycelium; b, sclerenchyma-strand of the cortex ; c, conidial cushion ; d, union of necks of two perithecia. (After Hartig.). Please note that these images Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-plants-induced-by-cryptogamic-parasites-introduction-to-the-study-of-pathogenic-fungi-slime-fungi-bacteria-amp-algae-plant-diseases-parasitic-plants-fungi-fig-111aglaospora-taleola-portion-of-cortex-with-embedded-stromata-a-corky-layer-b-after-removal-of-corky-layer-c-section-of-stroma-x-y-after-hartig-fio-112section-of-stroma-of-j4aospora-a-boundary-of-stroma-formed-of-dark-brown-fungus-m-ycelium-b-sclerenchyma-strand-of-the-cortex-c-conidial-cushion-d-union-of-necks-of-two-perithecia-after-hartig-please-note-that-these-images-image216455891.html
RMPG4BKF–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. Fig. 111.—Aglaospora taleola. Portion of cortex with embedded stromata. a. Corky layer; b, after removal of corky layer; c, section of stroma. ( X y.) (After Hartig.). Fio. 112.—Section of stroma of j4^/aospora. a, Boundary of stroma formed of dark brown fungus - m ycelium; b, sclerenchyma-strand of the cortex ; c, conidial cushion ; d, union of necks of two perithecia. (After Hartig.). Please note that these images
. Fio. 36.—Flower of Radib)) hyiiertrophied by Ci/slopi's ainJiili'ii. The white BWoUen conidial cu.sliioDH occupy the enlarged petals, sepals iiml ovaiius. (1>|-. Bruns' phot.) develop lo intercellulai' niycclia, tine short lateral twigs of which pierce the wall of the host-cells and liccomi' litth- spherical haustoria. The oogoniu arise as thick-wallrd spherical swellings on the mycelium. The antheridium, after applying itself to tlie oogonium, widens and pr(»jects a thie fertilization-tuhe throiigli the wall to the egg-cell. After fertilization is ellected, the egg-cell is enclnsed in a Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fio-36flower-of-radib-hyiiertrophied-by-cislopis-ainjiiliii-the-white-bwouen-conidial-cusliiodh-occupy-the-enlarged-petals-sepals-iiml-ovaiius-1gt-bruns-phot-develop-lo-intercellulai-niycclia-tine-short-lateral-twigs-of-which-pierce-the-wall-of-the-host-cells-and-liccomi-litth-spherical-haustoria-the-oogoniu-arise-as-thick-wallrd-spherical-swellings-on-the-mycelium-the-antheridium-after-applying-itself-to-tlie-oogonium-widens-and-prjects-a-thie-fertilization-tuhe-throiigli-the-wall-to-the-egg-cell-after-fertilization-is-ellected-the-egg-cell-is-enclnsed-in-a-image179901162.html
RMMCK5NE–. Fio. 36.—Flower of Radib)) hyiiertrophied by Ci/slopi's ainJiili'ii. The white BWoUen conidial cu.sliioDH occupy the enlarged petals, sepals iiml ovaiius. (1>|-. Bruns' phot.) develop lo intercellulai' niycclia, tine short lateral twigs of which pierce the wall of the host-cells and liccomi' litth- spherical haustoria. The oogoniu arise as thick-wallrd spherical swellings on the mycelium. The antheridium, after applying itself to tlie oogonium, widens and pr(»jects a thie fertilization-tuhe throiigli the wall to the egg-cell. After fertilization is ellected, the egg-cell is enclnsed in a
. Blind seed disease. Grasses; Grasses; Turfgrasses; Forage plants. Figure 5. Scanning electron micrograph of the surface of conidial slime of Gloeotinia temulenta.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Alderman, Stephen C; National Forage Seed Production Research Center (U. S. ). Corvallis, OR : USDA, ARS, National Forage Seed Production Research Center Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/blind-seed-disease-grasses-grasses-turfgrasses-forage-plants-figure-5-scanning-electron-micrograph-of-the-surface-of-conidial-slime-of-gloeotinia-temulenta-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-alderman-stephen-c-national-forage-seed-production-research-center-u-s-corvallis-or-usda-ars-national-forage-seed-production-research-center-image234584672.html
RMRHJ740–. Blind seed disease. Grasses; Grasses; Turfgrasses; Forage plants. Figure 5. Scanning electron micrograph of the surface of conidial slime of Gloeotinia temulenta.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Alderman, Stephen C; National Forage Seed Production Research Center (U. S. ). Corvallis, OR : USDA, ARS, National Forage Seed Production Research Center
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. Fig. 259.—Penicillium spinulosum. a, b, Conidial fructifications, consisting of single verticils of conidiiferous cells; c, conidiiferous cell with chain of conidiospores (smooth); d, f. ripe echinulate conidiospores; c, swollen end of conidiophore; g, h, sketches of conidial fructifications. {Afler Thorn.). Tfl Fig. 260.—Penicillium rubrum. a, b, c, d, c. Whole conidiophores and the branching of conidial fructifications; /. g, conidiiferous cells and conidiospore forma- tion; h, j, ske Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-fig-259penicillium-spinulosum-a-b-conidial-fructifications-consisting-of-single-verticils-of-conidiiferous-cells-c-conidiiferous-cell-with-chain-of-conidiospores-smooth-d-f-ripe-echinulate-conidiospores-c-swollen-end-of-conidiophore-g-h-sketches-of-conidial-fructifications-afler-thorn-tfl-fig-260penicillium-rubrum-a-b-c-d-c-whole-conidiophores-and-the-branching-of-conidial-fructifications-g-conidiiferous-cells-and-conidiospore-forma-tion-h-j-ske-image216457276.html
RMPG4DD0–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. Fig. 259.—Penicillium spinulosum. a, b, Conidial fructifications, consisting of single verticils of conidiiferous cells; c, conidiiferous cell with chain of conidiospores (smooth); d, f. ripe echinulate conidiospores; c, swollen end of conidiophore; g, h, sketches of conidial fructifications. {Afler Thorn.). Tfl Fig. 260.—Penicillium rubrum. a, b, c, d, c. Whole conidiophores and the branching of conidial fructifications; /. g, conidiiferous cells and conidiospore forma- tion; h, j, ske
. Fig. IZC^.—Sclerotinia oxyeocci on Vaeciniv.ia Oxycoccns. Young shoot of Cran- berry with mature conidial cushion and diseased upper leaves. A, Fcziza-cwp developed from a sclerotial fruit; numerous rhizoids proceed from the base of the stalk. B, Ascospores In stages of germination. C, Conidia in germination, with remains of disjunctors still attached. (After Woronin.) to several primordia or hom-like stalks, on the extremity of which an apothecium is afterwards formed. Ehizoids are pro- duced at the base of the stalk and attaching themselves to the ground act as supports and organs of nutri Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-izcsclerotinia-oxyeocci-on-vaecinivia-oxycoccns-young-shoot-of-cran-berry-with-mature-conidial-cushion-and-diseased-upper-leaves-a-fcziza-cwp-developed-from-a-sclerotial-fruit-numerous-rhizoids-proceed-from-the-base-of-the-stalk-b-ascospores-in-stages-of-germination-c-conidia-in-germination-with-remains-of-disjunctors-still-attached-after-woronin-to-several-primordia-or-hom-like-stalks-on-the-extremity-of-which-an-apothecium-is-afterwards-formed-ehizoids-are-pro-duced-at-the-base-of-the-stalk-and-attaching-themselves-to-the-ground-act-as-supports-and-organs-of-nutri-image179900962.html
RMMCK5EA–. Fig. IZC^.—Sclerotinia oxyeocci on Vaeciniv.ia Oxycoccns. Young shoot of Cran- berry with mature conidial cushion and diseased upper leaves. A, Fcziza-cwp developed from a sclerotial fruit; numerous rhizoids proceed from the base of the stalk. B, Ascospores In stages of germination. C, Conidia in germination, with remains of disjunctors still attached. (After Woronin.) to several primordia or hom-like stalks, on the extremity of which an apothecium is afterwards formed. Ehizoids are pro- duced at the base of the stalk and attaching themselves to the ground act as supports and organs of nutri
. Comparative morphology of Fungi. Fungi. FUNGI IMPERFECTI 615 different groups and named differently according to the stage of develop- ment. We have observed this earlier in the synonymy of the pathogenic Ascomycetes. There is also the difficulty that all forms of conidial fructifications do not permit of arrangement in Saccardo's scheme {e.g., Leucophlebs, Zeller and C. W. Dodge, 1924). Therefore there has been an attempt to enlarge the system or to replace it by a different one. Thus Potebnia. Please note that these images are extracted from scanned page images that may have been digitally Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/comparative-morphology-of-fungi-fungi-fungi-imperfecti-615-different-groups-and-named-differently-according-to-the-stage-of-develop-ment-we-have-observed-this-earlier-in-the-synonymy-of-the-pathogenic-ascomycetes-there-is-also-the-difficulty-that-all-forms-of-conidial-fructifications-do-not-permit-of-arrangement-in-saccardos-scheme-eg-leucophlebs-zeller-and-c-w-dodge-1924-therefore-there-has-been-an-attempt-to-enlarge-the-system-or-to-replace-it-by-a-different-one-thus-potebnia-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-image232673648.html
RMREF5H4–. Comparative morphology of Fungi. Fungi. FUNGI IMPERFECTI 615 different groups and named differently according to the stage of develop- ment. We have observed this earlier in the synonymy of the pathogenic Ascomycetes. There is also the difficulty that all forms of conidial fructifications do not permit of arrangement in Saccardo's scheme {e.g., Leucophlebs, Zeller and C. W. Dodge, 1924). Therefore there has been an attempt to enlarge the system or to replace it by a different one. Thus Potebnia. Please note that these images are extracted from scanned page images that may have been digitally
. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. 214 ASCOMYCETES.. active vegetation begins about two and a half months later than in the plains, i.e. at the beginning of June. The season of mature spores of Sphaerella is thus delayed till about the middle of August. On 26 th September I found at this elevation only a few spots on the larch needles, and on these hardly any conidial cushions. By 28 th September this larch plantation was already under snow." &q Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-plants-induced-by-cryptogamic-parasites-introduction-to-the-study-of-pathogenic-fungi-slime-fungi-bacteria-amp-algae-plant-diseases-parasitic-plants-fungi-214-ascomycetes-active-vegetation-begins-about-two-and-a-half-months-later-than-in-the-plains-ie-at-the-beginning-of-june-the-season-of-mature-spores-of-sphaerella-is-thus-delayed-till-about-the-middle-of-august-on-26-th-september-i-found-at-this-elevation-only-a-few-spots-on-the-larch-needles-and-on-these-hardly-any-conidial-cushions-by-28-th-september-this-larch-plantation-was-already-under-snowquot-q-image216455926.html
RMPG4BMP–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. 214 ASCOMYCETES.. active vegetation begins about two and a half months later than in the plains, i.e. at the beginning of June. The season of mature spores of Sphaerella is thus delayed till about the middle of August. On 26 th September I found at this elevation only a few spots on the larch needles, and on these hardly any conidial cushions. By 28 th September this larch plantation was already under snow." &q
. active vegetation begins about two and a half months hiter than in the plains, i.e. at the beginning of June. The season of mature spores of Sphaerella is thus delayed till about the middle of August. On 2Gth September I found at this elevation only a few spots on the larch needles, and on these hardly any conidial cushions. By 28th September this larch plantation was already under snow." " It will thus be seen, that while at a high elevation the larch can flourish witli a vegetative period extending only to three and a quarter or four months, the Si^hacrcUa has not the time necess Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/active-vegetation-begins-about-two-and-a-half-months-hiter-than-in-the-plains-ie-at-the-beginning-of-june-the-season-of-mature-spores-of-sphaerella-is-thus-delayed-till-about-the-middle-of-august-on-2gth-september-i-found-at-this-elevation-only-a-few-spots-on-the-larch-needles-and-on-these-hardly-any-conidial-cushions-by-28th-september-this-larch-plantation-was-already-under-snowquot-quot-it-will-thus-be-seen-that-while-at-a-high-elevation-the-larch-can-flourish-witli-a-vegetative-period-extending-only-to-three-and-a-quarter-or-four-months-the-sihacrcua-has-not-the-time-necess-image179902006.html
RMMCK6RJ–. active vegetation begins about two and a half months hiter than in the plains, i.e. at the beginning of June. The season of mature spores of Sphaerella is thus delayed till about the middle of August. On 2Gth September I found at this elevation only a few spots on the larch needles, and on these hardly any conidial cushions. By 28th September this larch plantation was already under snow." " It will thus be seen, that while at a high elevation the larch can flourish witli a vegetative period extending only to three and a quarter or four months, the Si^hacrcUa has not the time necess
. Botany for agricultural students . Botany. 404 THALLOPHYTES. Fungi Imperfecti (Imperfect Fungi) All Fungi in which the features characteristic of the Phycomy- cetes, Ascomycetes, or Basidiomycetes have not been discovered in their life histories are classed as imperfect Fungi. It is a heterogenous group, containing numerous Fungi varying widely in characteristics. Investigators think that most of them are the conidial stages of Ascomycetes in which the Ascogenous ^ stage has been abandoned or has not been discovered. Careful investiga- tions have already discovered that a number of Fungi whi Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/botany-for-agricultural-students-botany-404-thallophytes-fungi-imperfecti-imperfect-fungi-all-fungi-in-which-the-features-characteristic-of-the-phycomy-cetes-ascomycetes-or-basidiomycetes-have-not-been-discovered-in-their-life-histories-are-classed-as-imperfect-fungi-it-is-a-heterogenous-group-containing-numerous-fungi-varying-widely-in-characteristics-investigators-think-that-most-of-them-are-the-conidial-stages-of-ascomycetes-in-which-the-ascogenous-stage-has-been-abandoned-or-has-not-been-discovered-careful-investiga-tions-have-already-discovered-that-a-number-of-fungi-whi-image231989626.html
RMRDC13P–. Botany for agricultural students . Botany. 404 THALLOPHYTES. Fungi Imperfecti (Imperfect Fungi) All Fungi in which the features characteristic of the Phycomy- cetes, Ascomycetes, or Basidiomycetes have not been discovered in their life histories are classed as imperfect Fungi. It is a heterogenous group, containing numerous Fungi varying widely in characteristics. Investigators think that most of them are the conidial stages of Ascomycetes in which the Ascogenous ^ stage has been abandoned or has not been discovered. Careful investiga- tions have already discovered that a number of Fungi whi
. The fungi which cause plant disease . Plant diseases; Fungi. 206 THE FUNGI WHICH CAUSE PLANT DISEASE Clanostachys theobromse "' probably as its conidial stages, is on fruits and stems of cacao. C. bahiensis Hem. reported in South America on cacao stems is really an Anthostomella; C. gigaspora Mass." is found on sugar-cane. Gibberella Saccardo (p. 198) Stromata tuberculate, more or less effused; perithecia cespitose or occasionally scattered on or surrounding the stroma; asci clavate, 8-spored; spores fusoid, 4 to many-celled, hyaline; conidial phase a Fusarium. Of the thirteen spec Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-206-the-fungi-which-cause-plant-disease-clanostachys-theobromse-quot-probably-as-its-conidial-stages-is-on-fruits-and-stems-of-cacao-c-bahiensis-hem-reported-in-south-america-on-cacao-stems-is-really-an-anthostomella-c-gigaspora-massquot-is-found-on-sugar-cane-gibberella-saccardo-p-198-stromata-tuberculate-more-or-less-effused-perithecia-cespitose-or-occasionally-scattered-on-or-surrounding-the-stroma-asci-clavate-8-spored-spores-fusoid-4-to-many-celled-hyaline-conidial-phase-a-fusarium-of-the-thirteen-spec-image216459576.html
RMPG4GB4–. The fungi which cause plant disease . Plant diseases; Fungi. 206 THE FUNGI WHICH CAUSE PLANT DISEASE Clanostachys theobromse "' probably as its conidial stages, is on fruits and stems of cacao. C. bahiensis Hem. reported in South America on cacao stems is really an Anthostomella; C. gigaspora Mass." is found on sugar-cane. Gibberella Saccardo (p. 198) Stromata tuberculate, more or less effused; perithecia cespitose or occasionally scattered on or surrounding the stroma; asci clavate, 8-spored; spores fusoid, 4 to many-celled, hyaline; conidial phase a Fusarium. Of the thirteen spec
. Hartig gives the following interesting facts on its distribution. ,, , , , 111 • 1 • 1 Fig. 103.—«, Rod-shaped As already remarked, the perithecia de- comdia before and after , . ,1 n 1^ ^ ^ -l^ detachment from the velop in spring on the lallen larch needles, basidia. b, Micro-conidia -, . , , . IT,- ,1 ^ from the interior of the and in low-lying localities the spores reach cushions, x ^i". (After maturity at the beginning of June. Xew ^' ^^^^^^-^ conidial cushions are not found on the larch in our neighbourhood before July. The parasite has thus four months at its disposal Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/hartig-gives-the-following-interesting-facts-on-its-distribution-111-1-1-fig-103-rod-shaped-as-already-remarked-the-perithecia-de-comdia-before-and-after-1-n-1-l-detachment-from-the-velop-in-spring-on-the-lallen-larch-needles-basidia-b-micro-conidia-it-1-from-the-interior-of-the-and-in-low-lying-localities-the-spores-reach-cushions-x-iquot-after-maturity-at-the-beginning-of-june-xew-conidial-cushions-are-not-found-on-the-larch-in-our-neighbourhood-before-july-the-parasite-has-thus-four-months-at-its-disposal-image179902008.html
RMMCK6RM–. Hartig gives the following interesting facts on its distribution. ,, , , , 111 • 1 • 1 Fig. 103.—«, Rod-shaped As already remarked, the perithecia de- comdia before and after , . ,1 n 1^ ^ ^ -l^ detachment from the velop in spring on the lallen larch needles, basidia. b, Micro-conidia -, . , , . IT,- ,1 ^ from the interior of the and in low-lying localities the spores reach cushions, x ^i". (After maturity at the beginning of June. Xew ^' ^^^^^^-^ conidial cushions are not found on the larch in our neighbourhood before July. The parasite has thus four months at its disposal
. Botany for agricultural students. Plants. 404 THALLOPHYTES. Fungi Imperfect! (Imperfect Fungi) All Fungi in which the features characteristic of the Phycomy- cetes, uVscomycetes, or Basidiomycetes have not been discovered in then- life histories are classed as imperfect Fungi. It is a heterogenous group, containing numerous Fungi varying widely in characteristics. Investigators think that most of them are the conidial stages of Ascomycetes in which the Ascogenous . stage has been abandoned or has not been discovered. Careful investiga- tions have already discovered that a number of Fungi whi Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/botany-for-agricultural-students-plants-404-thallophytes-fungi-imperfect!-imperfect-fungi-all-fungi-in-which-the-features-characteristic-of-the-phycomy-cetes-uvscomycetes-or-basidiomycetes-have-not-been-discovered-in-then-life-histories-are-classed-as-imperfect-fungi-it-is-a-heterogenous-group-containing-numerous-fungi-varying-widely-in-characteristics-investigators-think-that-most-of-them-are-the-conidial-stages-of-ascomycetes-in-which-the-ascogenous-stage-has-been-abandoned-or-has-not-been-discovered-careful-investiga-tions-have-already-discovered-that-a-number-of-fungi-whi-image234291634.html
RMRH4WAA–. Botany for agricultural students. Plants. 404 THALLOPHYTES. Fungi Imperfect! (Imperfect Fungi) All Fungi in which the features characteristic of the Phycomy- cetes, uVscomycetes, or Basidiomycetes have not been discovered in then- life histories are classed as imperfect Fungi. It is a heterogenous group, containing numerous Fungi varying widely in characteristics. Investigators think that most of them are the conidial stages of Ascomycetes in which the Ascogenous . stage has been abandoned or has not been discovered. Careful investiga- tions have already discovered that a number of Fungi whi
. The fungi which cause plant disease . Plant diseases; Fungi. 214 THE FUNGI WHICH CAUSE PLANT DISEASE is not known but which is placed in this genus on account of the similarity of its conidial stage with that of the other species. U. virens (Cke.) Tak. Ascigerous stage unknown, sclerotia spher- ical, about 5 mm. in diameter; conidia spherical, at first smooth- walled, hyaline, at maturity echinulate and olive green, 4-6 M- The short thick walled fr ^^ hyphae of the interior of the sclerotium are closely in- ,,.„,-. -. • terwoven to a false tissue, liG. 153.—U. virens; a, spores germinated m Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-214-the-fungi-which-cause-plant-disease-is-not-known-but-which-is-placed-in-this-genus-on-account-of-the-similarity-of-its-conidial-stage-with-that-of-the-other-species-u-virens-cke-tak-ascigerous-stage-unknown-sclerotia-spher-ical-about-5-mm-in-diameter-conidia-spherical-at-first-smooth-walled-hyaline-at-maturity-echinulate-and-olive-green-4-6-m-the-short-thick-walled-fr-hyphae-of-the-interior-of-the-sclerotium-are-closely-in-terwoven-to-a-false-tissue-lig-153u-virens-a-spores-germinated-m-image216459526.html
RMPG4G9A–. The fungi which cause plant disease . Plant diseases; Fungi. 214 THE FUNGI WHICH CAUSE PLANT DISEASE is not known but which is placed in this genus on account of the similarity of its conidial stage with that of the other species. U. virens (Cke.) Tak. Ascigerous stage unknown, sclerotia spher- ical, about 5 mm. in diameter; conidia spherical, at first smooth- walled, hyaline, at maturity echinulate and olive green, 4-6 M- The short thick walled fr ^^ hyphae of the interior of the sclerotium are closely in- ,,.„,-. -. • terwoven to a false tissue, liG. 153.—U. virens; a, spores germinated m
. ^'^'^ fl,. fJ â Jf f^T .7'" VG.z,o.âSpliacros(ilbeflavid<i. i, leaf showing disease ; 2, section showing conidia form ; 3, surface view of white spot bear- ing conidial stage of fungus; 4, section showing perithecia ; 5, two perithecia; 6, ascus containing eiglit spores. Fig. i reduced ; remainder nmg. had been carefully packed, and arrived in a good condition for experimenting with. These were placed in Petri dishes on sterilised damp blotting-paper. At the expiration of seven weeks dense groups of minute, bright-red perithecia Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fl-fj-jf-ft-7quot-vgzospliacrosilbeflavidlti-i-leaf-showing-disease-2-section-showing-conidia-form-3-surface-view-of-white-spot-bear-ing-conidial-stage-of-fungus-4-section-showing-perithecia-5-two-perithecia-6-ascus-containing-eiglit-spores-fig-i-reduced-remainder-nmg-had-been-carefully-packed-and-arrived-in-a-good-condition-for-experimenting-with-these-were-placed-in-petri-dishes-on-sterilised-damp-blotting-paper-at-the-expiration-of-seven-weeks-dense-groups-of-minute-bright-red-perithecia-image180021440.html
RMMCTK54–. ^'^'^ fl,. fJ â Jf f^T .7'" VG.z,o.âSpliacros(ilbeflavid<i. i, leaf showing disease ; 2, section showing conidia form ; 3, surface view of white spot bear- ing conidial stage of fungus; 4, section showing perithecia ; 5, two perithecia; 6, ascus containing eiglit spores. Fig. i reduced ; remainder nmg. had been carefully packed, and arrived in a good condition for experimenting with. These were placed in Petri dishes on sterilised damp blotting-paper. At the expiration of seven weeks dense groups of minute, bright-red perithecia
. Comparative morphology of Fungi. Fungi. 320 COMPARATIVE MORPHOLOGY OF FUNGI which the formation of bacilliform cells on the mycelium is no longer indefinite but limited to the tips of the conidiophores; these arise only when the mycelium has attained a large expanse and by their general rich branching give rise to coremial formation (Fig. 210, 8). In nature these coremial formations have proceeded further to large, irregular, folded conidial layers of the color and consistency of apothecia, whose surface is occupied with conidiophores such as the mycelium produces. Cyttariaceae.—This monotyp Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/comparative-morphology-of-fungi-fungi-320-comparative-morphology-of-fungi-which-the-formation-of-bacilliform-cells-on-the-mycelium-is-no-longer-indefinite-but-limited-to-the-tips-of-the-conidiophores-these-arise-only-when-the-mycelium-has-attained-a-large-expanse-and-by-their-general-rich-branching-give-rise-to-coremial-formation-fig-210-8-in-nature-these-coremial-formations-have-proceeded-further-to-large-irregular-folded-conidial-layers-of-the-color-and-consistency-of-apothecia-whose-surface-is-occupied-with-conidiophores-such-as-the-mycelium-produces-cyttariaceaethis-monotyp-image232675096.html
RMREF7CT–. Comparative morphology of Fungi. Fungi. 320 COMPARATIVE MORPHOLOGY OF FUNGI which the formation of bacilliform cells on the mycelium is no longer indefinite but limited to the tips of the conidiophores; these arise only when the mycelium has attained a large expanse and by their general rich branching give rise to coremial formation (Fig. 210, 8). In nature these coremial formations have proceeded further to large, irregular, folded conidial layers of the color and consistency of apothecia, whose surface is occupied with conidiophores such as the mycelium produces. Cyttariaceae.—This monotyp
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 259 L. tazicola R. K. on Taxus canadensis; L. vagabunda Sacc. spots linden branches. Its conidial form is perhaps Phoma tilisB.^'' Ophiobolus Riess (p. 252) Perithecia scattered, subglobose, submembranous, covered or suberumpent, ostiole papillate or elongate; asci cylindric; spores fusiform, hyaline or yellowish.. Fig. 190. —Ophio- bolus. B, ascus; C, spore. After Lindau and Win- ter. Fig. 191.— Pleospora from passion-fruit. The spores are just beginning to ger- minate, the end cells start- ing Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-259-l-tazicola-r-k-on-taxus-canadensis-l-vagabunda-sacc-spots-linden-branches-its-conidial-form-is-perhaps-phoma-tilisb-ophiobolus-riess-p-252-perithecia-scattered-subglobose-submembranous-covered-or-suberumpent-ostiole-papillate-or-elongate-asci-cylindric-spores-fusiform-hyaline-or-yellowish-fig-190-ophio-bolus-b-ascus-c-spore-after-lindau-and-win-ter-fig-191-pleospora-from-passion-fruit-the-spores-are-just-beginning-to-ger-minate-the-end-cells-start-ing-image216451773.html
RMPG46CD–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 259 L. tazicola R. K. on Taxus canadensis; L. vagabunda Sacc. spots linden branches. Its conidial form is perhaps Phoma tilisB.^'' Ophiobolus Riess (p. 252) Perithecia scattered, subglobose, submembranous, covered or suberumpent, ostiole papillate or elongate; asci cylindric; spores fusiform, hyaline or yellowish.. Fig. 190. —Ophio- bolus. B, ascus; C, spore. After Lindau and Win- ter. Fig. 191.— Pleospora from passion-fruit. The spores are just beginning to ger- minate, the end cells start- ing
. Fig. 4S.—Nec/ria solatii, figures illustrating its life-cycle, i, portion of a diseased tuber, and section through a conidial stroma ; 2, Monosporium fruit ; 3, conidia of same germinating ; 4, Fumrium stage, following the Mono^porium condition ; 5, Fusarium conidia, germinating and producing the Cephalosporiztin ?,ia.ge ; 6, stroma that has pro- duced Monosporium and Fusarhim conidia, bearing young perithecia, or the commence- ment of the ascigerous condition ; 7, section of a matureperithecium ; 8, asci containing spores, also paraphyses ; 9, ascospore germinating. The tuber in Fig. i redu Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-4snecria-solatii-figures-illustrating-its-life-cycle-i-portion-of-a-diseased-tuber-and-section-through-a-conidial-stroma-2-monosporium-fruit-3-conidia-of-same-germinating-4-fumrium-stage-following-the-monoporium-condition-5-fusarium-conidia-germinating-and-producing-the-cephalosporiztin-iage-6-stroma-that-has-pro-duced-monosporium-and-fusarhim-conidia-bearing-young-perithecia-or-the-commence-ment-of-the-ascigerous-condition-7-section-of-a-matureperithecium-8-asci-containing-spores-also-paraphyses-9-ascospore-germinating-the-tuber-in-fig-i-redu-image180024257.html
RMMCTPNN–. Fig. 4S.—Nec/ria solatii, figures illustrating its life-cycle, i, portion of a diseased tuber, and section through a conidial stroma ; 2, Monosporium fruit ; 3, conidia of same germinating ; 4, Fumrium stage, following the Mono^porium condition ; 5, Fusarium conidia, germinating and producing the Cephalosporiztin ?,ia.ge ; 6, stroma that has pro- duced Monosporium and Fusarhim conidia, bearing young perithecia, or the commence- ment of the ascigerous condition ; 7, section of a matureperithecium ; 8, asci containing spores, also paraphyses ; 9, ascospore germinating. The tuber in Fig. i redu
. Introduction to the study of fungi; their organography, classification, and distribution, for the use of collectors. Fungi. CONJUGATING FUNGI—PHYCOMYCETES 235 110.—Hyphal bodies. After Thaxter. guished by the production of numerous hyphae of large diameter and fatty contents, which ultimately emerge from the host in white masses of peculiar appearance, producing at their ex- tremities large conidial spores, which are violently discharged into the air and propagate the disease. In addition to these conidia, the propa- gation of the fungus, after long periods of rest, may be provided for by th Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/introduction-to-the-study-of-fungi-their-organography-classification-and-distribution-for-the-use-of-collectors-fungi-conjugating-fungiphycomycetes-235-110hyphal-bodies-after-thaxter-guished-by-the-production-of-numerous-hyphae-of-large-diameter-and-fatty-contents-which-ultimately-emerge-from-the-host-in-white-masses-of-peculiar-appearance-producing-at-their-ex-tremities-large-conidial-spores-which-are-violently-discharged-into-the-air-and-propagate-the-disease-in-addition-to-these-conidia-the-propa-gation-of-the-fungus-after-long-periods-of-rest-may-be-provided-for-by-th-image232309361.html
RMRDXGXW–. Introduction to the study of fungi; their organography, classification, and distribution, for the use of collectors. Fungi. CONJUGATING FUNGI—PHYCOMYCETES 235 110.—Hyphal bodies. After Thaxter. guished by the production of numerous hyphae of large diameter and fatty contents, which ultimately emerge from the host in white masses of peculiar appearance, producing at their ex- tremities large conidial spores, which are violently discharged into the air and propagate the disease. In addition to these conidia, the propa- gation of the fungus, after long periods of rest, may be provided for by th
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. Fig. 250.—Penicilliunt Dudauxii. a, b, Conidial fructifications with young smooth conidiospores; c, d, e, conidial fructifications from potato-agar plate culture, more complex types; /, g, h, j, sketches of habit upon potato agar; k, ripe spores highly magnified to show delicate markings; I, m, n, germination of spores; si, coremium. (After Thorn.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-fig-250penicilliunt-dudauxii-a-b-conidial-fructifications-with-young-smooth-conidiospores-c-d-e-conidial-fructifications-from-potato-agar-plate-culture-more-complex-types-g-h-j-sketches-of-habit-upon-potato-agar-k-ripe-spores-highly-magnified-to-show-delicate-markings-i-m-n-germination-of-spores-si-coremium-after-thorn-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-image216457348.html
RMPG4DFG–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. Fig. 250.—Penicilliunt Dudauxii. a, b, Conidial fructifications with young smooth conidiospores; c, d, e, conidial fructifications from potato-agar plate culture, more complex types; /, g, h, j, sketches of habit upon potato agar; k, ripe spores highly magnified to show delicate markings; I, m, n, germination of spores; si, coremium. (After Thorn.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and
. active vegetation begins about two and a half months later than in the plains, i.r. at the beginning of June. The season of mature spores of Sx>haerclla is thus delayed till about the middle of August. On 2Gth September I found at this elevation only a few spots on the larch needles, and on these hardly any conidial cushions. By 28th September this larch plantation was already under snow." " It will thus be seen, that while at a high elevation the larch can flourish with a vegetative period extending only to three and a quarter or four months, the Sphaerella has not the time nec Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/active-vegetation-begins-about-two-and-a-half-months-later-than-in-the-plains-ir-at-the-beginning-of-june-the-season-of-mature-spores-of-sxgthaerclla-is-thus-delayed-till-about-the-middle-of-august-on-2gth-september-i-found-at-this-elevation-only-a-few-spots-on-the-larch-needles-and-on-these-hardly-any-conidial-cushions-by-28th-september-this-larch-plantation-was-already-under-snowquot-quot-it-will-thus-be-seen-that-while-at-a-high-elevation-the-larch-can-flourish-with-a-vegetative-period-extending-only-to-three-and-a-quarter-or-four-months-the-sphaerella-has-not-the-time-nec-image179901031.html
RMMCK5GR–. active vegetation begins about two and a half months later than in the plains, i.r. at the beginning of June. The season of mature spores of Sx>haerclla is thus delayed till about the middle of August. On 2Gth September I found at this elevation only a few spots on the larch needles, and on these hardly any conidial cushions. By 28th September this larch plantation was already under snow." " It will thus be seen, that while at a high elevation the larch can flourish with a vegetative period extending only to three and a quarter or four months, the Sphaerella has not the time nec
. Botany, with agricultural applications. Botany. 404 THALLOPHYTES Fungi Imperfect! (Imperfect Fungi) All Fungi in which the features characteristic of the Phycomy- cetes, Ascomycetes, or Basidiomycetes have not been discovered in their life histories are classed as imperfect Fungi. It is a heterogenous group, containing numerous Fungi varying widely in characteristics. Investigators think that most of them are the conidial stages of Ascomycetes in which the Ascogenous stage has been abandoned or has not been discovered. Careful investiga- tions have already discovered that a number of Fungi w Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/botany-with-agricultural-applications-botany-404-thallophytes-fungi-imperfect!-imperfect-fungi-all-fungi-in-which-the-features-characteristic-of-the-phycomy-cetes-ascomycetes-or-basidiomycetes-have-not-been-discovered-in-their-life-histories-are-classed-as-imperfect-fungi-it-is-a-heterogenous-group-containing-numerous-fungi-varying-widely-in-characteristics-investigators-think-that-most-of-them-are-the-conidial-stages-of-ascomycetes-in-which-the-ascogenous-stage-has-been-abandoned-or-has-not-been-discovered-careful-investiga-tions-have-already-discovered-that-a-number-of-fungi-w-image232284208.html
RMRDWCTG–. Botany, with agricultural applications. Botany. 404 THALLOPHYTES Fungi Imperfect! (Imperfect Fungi) All Fungi in which the features characteristic of the Phycomy- cetes, Ascomycetes, or Basidiomycetes have not been discovered in their life histories are classed as imperfect Fungi. It is a heterogenous group, containing numerous Fungi varying widely in characteristics. Investigators think that most of them are the conidial stages of Ascomycetes in which the Ascogenous stage has been abandoned or has not been discovered. Careful investiga- tions have already discovered that a number of Fungi w
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 275 =Fuscicoccum veronense). Pycnidia formed on old leaves on the ground, erumpent, subcuticular, brown, 200-300 /i; conidia numerous, oblong, ovoid to fusoid, 7-11 x 3-i n. The conidial form on sycamore and oak, first described in 1848, is common on leaves and young branches, the mycelium checking the sap-flow and causing death of surround- ing tissue. A stroma is formed on the outer layers of the mesophyll and from this arise the short conidiophores to constitute the acervulus. Infection experi Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-275-=fuscicoccum-veronense-pycnidia-formed-on-old-leaves-on-the-ground-erumpent-subcuticular-brown-200-300-i-conidia-numerous-oblong-ovoid-to-fusoid-7-11-x-3-i-n-the-conidial-form-on-sycamore-and-oak-first-described-in-1848-is-common-on-leaves-and-young-branches-the-mycelium-checking-the-sap-flow-and-causing-death-of-surround-ing-tissue-a-stroma-is-formed-on-the-outer-layers-of-the-mesophyll-and-from-this-arise-the-short-conidiophores-to-constitute-the-acervulus-infection-experi-image216451710.html
RMPG46A6–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 275 =Fuscicoccum veronense). Pycnidia formed on old leaves on the ground, erumpent, subcuticular, brown, 200-300 /i; conidia numerous, oblong, ovoid to fusoid, 7-11 x 3-i n. The conidial form on sycamore and oak, first described in 1848, is common on leaves and young branches, the mycelium checking the sap-flow and causing death of surround- ing tissue. A stroma is formed on the outer layers of the mesophyll and from this arise the short conidiophores to constitute the acervulus. Infection experi
. Fig. 61.—Plowrightia mcrhosa. i, portion of a plum branch, showing conidial stage of the fungus; 2, branch with ascigerous condition of the fungus ; 3, conidiophores bearing conidia ; 4, ascus containing 8 spores. Figs, i and 2 rethiced ; rest highly mag. obvate, hyaline, i-septate, basal cell much the smaller of the two, 15-20 X 8-10 i. The only practical method of dealing with this disease is to cut out all diseased knots. When the tree is badly infected, new knots frequently develop at or near the points from which knots have been cut away. In such cases the Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-61plowrightia-mcrhosa-i-portion-of-a-plum-branch-showing-conidial-stage-of-the-fungus-2-branch-with-ascigerous-condition-of-the-fungus-3-conidiophores-bearing-conidia-4-ascus-containing-8-spores-figs-i-and-2-rethiced-rest-highly-mag-obvate-hyaline-i-septate-basal-cell-much-the-smaller-of-the-two-15-20-x-8-10-i-the-only-practical-method-of-dealing-with-this-disease-is-to-cut-out-all-diseased-knots-when-the-tree-is-badly-infected-new-knots-frequently-develop-at-or-near-the-points-from-which-knots-have-been-cut-away-in-such-cases-the-image179937758.html
RMMCMTCE–. Fig. 61.—Plowrightia mcrhosa. i, portion of a plum branch, showing conidial stage of the fungus; 2, branch with ascigerous condition of the fungus ; 3, conidiophores bearing conidia ; 4, ascus containing 8 spores. Figs, i and 2 rethiced ; rest highly mag. obvate, hyaline, i-septate, basal cell much the smaller of the two, 15-20 X 8-10 i. The only practical method of dealing with this disease is to cut out all diseased knots. When the tree is badly infected, new knots frequently develop at or near the points from which knots have been cut away. In such cases the
. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. 8o PLECTOMYCETES [CH. enter the stomata, extend through the intercellular spaces and send haustoria into the neighbouring cells, and in Erysiphe (or Oidiopsis) taurica the whole mycelium during the conidial stage is located in the tissues of the host. We have thus, within the limits of the family, a transition between ecto- and endoparasitism through hemiendophytic forms, and forms which are endo- phytic under abnormal conditions. When perithecia are about to be produced and the mycelium emerges and spreads over the surface of the host le Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fungi-ascomycetes-ustilaginales-uredinales-fungi-8o-plectomycetes-ch-enter-the-stomata-extend-through-the-intercellular-spaces-and-send-haustoria-into-the-neighbouring-cells-and-in-erysiphe-or-oidiopsis-taurica-the-whole-mycelium-during-the-conidial-stage-is-located-in-the-tissues-of-the-host-we-have-thus-within-the-limits-of-the-family-a-transition-between-ecto-and-endoparasitism-through-hemiendophytic-forms-and-forms-which-are-endo-phytic-under-abnormal-conditions-when-perithecia-are-about-to-be-produced-and-the-mycelium-emerges-and-spreads-over-the-surface-of-the-host-le-image232269593.html
RMRDTP6H–. Fungi, ascomycetes, ustilaginales, uredinales. Fungi. 8o PLECTOMYCETES [CH. enter the stomata, extend through the intercellular spaces and send haustoria into the neighbouring cells, and in Erysiphe (or Oidiopsis) taurica the whole mycelium during the conidial stage is located in the tissues of the host. We have thus, within the limits of the family, a transition between ecto- and endoparasitism through hemiendophytic forms, and forms which are endo- phytic under abnormal conditions. When perithecia are about to be produced and the mycelium emerges and spreads over the surface of the host le
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. Fig. 253.—Penicillium atramentosum. a, b, c, d, branching of conidial fructifica- tions showing unequal length of branching; e, /, conidiiferous cell and chain of co- nidiospores; g, h, j, sketches of conidial fructifications; i, conidiospores; m, n, o, r, germination of spores. (After Thorn.). ^i:'y Fig. 254.—Penicillium lilacinum. a, 6, c, Short conidiophores and verticils of conidiiferous cells; d, conidiiferous cell, solitary and sessile; e, conidia;/, g, h, sketches of conidial fru Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-fig-253penicillium-atramentosum-a-b-c-d-branching-of-conidial-fructifica-tions-showing-unequal-length-of-branching-e-conidiiferous-cell-and-chain-of-co-nidiospores-g-h-j-sketches-of-conidial-fructifications-i-conidiospores-m-n-o-r-germination-of-spores-after-thorn-iy-fig-254penicillium-lilacinum-a-6-c-short-conidiophores-and-verticils-of-conidiiferous-cells-d-conidiiferous-cell-solitary-and-sessile-e-conidia-g-h-sketches-of-conidial-fru-image216457329.html
RMPG4DEW–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. Fig. 253.—Penicillium atramentosum. a, b, c, d, branching of conidial fructifica- tions showing unequal length of branching; e, /, conidiiferous cell and chain of co- nidiospores; g, h, j, sketches of conidial fructifications; i, conidiospores; m, n, o, r, germination of spores. (After Thorn.). ^i:'y Fig. 254.—Penicillium lilacinum. a, 6, c, Short conidiophores and verticils of conidiiferous cells; d, conidiiferous cell, solitary and sessile; e, conidia;/, g, h, sketches of conidial fru
. Fig. 52.—Sphaerella fra^^ariae. i, a diseased straw- berry leaf; 2, ascus containing eight spores of the Sphaerella or ascigerous stage; 3, conidia of the Ratnularia or conidial stage. 1-igs. 2 and 3 liighly mag. irregular patches. By degrees the centre of the patch assumes an ashy-grey or almost white colour, and is bounded by a reddish border, which is often ([uitc bright in colour later in the season. The central portion then becoaies studded with very minute white tufts of the conidial form of fruit. Later in the season these minute white tufts are replaced by minute black points—the asc Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-52sphaerella-fraariae-i-a-diseased-straw-berry-leaf-2-ascus-containing-eight-spores-of-the-sphaerella-or-ascigerous-stage-3-conidia-of-the-ratnularia-or-conidial-stage-1-igs-2-and-3-liighly-mag-irregular-patches-by-degrees-the-centre-of-the-patch-assumes-an-ashy-grey-or-almost-white-colour-and-is-bounded-by-a-reddish-border-which-is-often-uitc-bright-in-colour-later-in-the-season-the-central-portion-then-becoaies-studded-with-very-minute-white-tufts-of-the-conidial-form-of-fruit-later-in-the-season-these-minute-white-tufts-are-replaced-by-minute-black-pointsthe-asc-image180022273.html
RMMCTM6W–. Fig. 52.—Sphaerella fra^^ariae. i, a diseased straw- berry leaf; 2, ascus containing eight spores of the Sphaerella or ascigerous stage; 3, conidia of the Ratnularia or conidial stage. 1-igs. 2 and 3 liighly mag. irregular patches. By degrees the centre of the patch assumes an ashy-grey or almost white colour, and is bounded by a reddish border, which is often ([uitc bright in colour later in the season. The central portion then becoaies studded with very minute white tufts of the conidial form of fruit. Later in the season these minute white tufts are replaced by minute black points—the asc
. Introduction to the study of fungi; their organography, classification, and distribution, for the use of collectors. Fungi. CAPSULAR FUNGI—PYRENOMYCETES 199. tiated into chains of hyaline conidia, which fall away and are capable of germinating and producing a new mycelium. In this condition the parasite is a mould, or Hyphomycete, and was formerly in- cluded under the geniis Oidium, under the supposition that it was a complete and autonomous Fungus. Eecent in- vestigation has shown that this stage of mould is Only the COnidial condition of Fig. 87. — Perithecium and some species of the Erysi Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/introduction-to-the-study-of-fungi-their-organography-classification-and-distribution-for-the-use-of-collectors-fungi-capsular-fungipyrenomycetes-199-tiated-into-chains-of-hyaline-conidia-which-fall-away-and-are-capable-of-germinating-and-producing-a-new-mycelium-in-this-condition-the-parasite-is-a-mould-or-hyphomycete-and-was-formerly-in-cluded-under-the-geniis-oidium-under-the-supposition-that-it-was-a-complete-and-autonomous-fungus-eecent-in-vestigation-has-shown-that-this-stage-of-mould-is-only-the-conidial-condition-of-fig-87-perithecium-and-some-species-of-the-erysi-image232309529.html
RMRDXH4W–. Introduction to the study of fungi; their organography, classification, and distribution, for the use of collectors. Fungi. CAPSULAR FUNGI—PYRENOMYCETES 199. tiated into chains of hyaline conidia, which fall away and are capable of germinating and producing a new mycelium. In this condition the parasite is a mould, or Hyphomycete, and was formerly in- cluded under the geniis Oidium, under the supposition that it was a complete and autonomous Fungus. Eecent in- vestigation has shown that this stage of mould is Only the COnidial condition of Fig. 87. — Perithecium and some species of the Erysi
. Chestnut blight. Chestnut blight; Chestnut. PLATE XXVIII.. a, d, g. E. radicalis. b, e, h, j. E. gyrosa. c, f, i, k. E. gyrosa var. parasitica, p. 367. a-c. ascospores ; d-f. spores in ascus ; g-i. conidial spores ; j-k. isolated perithecia, k. showing mycelium from germinating ascospores witliin. SPORE STAGES OF THREE AMERICAN ENDOTHIAS.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. 1906-1960 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/chestnut-blight-chestnut-blight-chestnut-plate-xxviii-a-d-g-e-radicalis-b-e-h-j-e-gyrosa-c-f-i-k-e-gyrosa-var-parasitica-p-367-a-c-ascospores-d-f-spores-in-ascus-g-i-conidial-spores-j-k-isolated-perithecia-k-showing-mycelium-from-germinating-ascospores-witliin-spore-stages-of-three-american-endothias-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-1906-1960-image216384680.html
RMPG14T8–. Chestnut blight. Chestnut blight; Chestnut. PLATE XXVIII.. a, d, g. E. radicalis. b, e, h, j. E. gyrosa. c, f, i, k. E. gyrosa var. parasitica, p. 367. a-c. ascospores ; d-f. spores in ascus ; g-i. conidial spores ; j-k. isolated perithecia, k. showing mycelium from germinating ascospores witliin. SPORE STAGES OF THREE AMERICAN ENDOTHIAS.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. 1906-1960
. ^^ Fig. 58.— Venturia inaequalis. i, conidial stage (Fusicladium dendriti- f«;«) on apple leaf; 2, 3 and 4, conidial stage; 6, section of perithecium ( Venturia stage) ; 7 and 8, asci and spores of Venturia ; 9, apple twig with Fusicladium stage, as appearing during winter and spring. Figs, i and 9 reduced ; remainder highly mag. practicable. I am not convinced. I believe that it is as practicable to remove the dead shoots from a tree as it is to remove the apples, in fact the Director of the Research Laboratory at Wisley informs me that, out of a batch of badly diseased apple-trees, those t Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-58-venturia-inaequalis-i-conidial-stage-fusicladium-dendriti-f-on-apple-leaf-2-3-and-4-conidial-stage-6-section-of-perithecium-venturia-stage-7-and-8-asci-and-spores-of-venturia-9-apple-twig-with-fusicladium-stage-as-appearing-during-winter-and-spring-figs-i-and-9-reduced-remainder-highly-mag-practicable-i-am-not-convinced-i-believe-that-it-is-as-practicable-to-remove-the-dead-shoots-from-a-tree-as-it-is-to-remove-the-apples-in-fact-the-director-of-the-research-laboratory-at-wisley-informs-me-that-out-of-a-batch-of-badly-diseased-apple-trees-those-t-image179954739.html
RMMCNJ2Y–. ^^ Fig. 58.— Venturia inaequalis. i, conidial stage (Fusicladium dendriti- f«;«) on apple leaf; 2, 3 and 4, conidial stage; 6, section of perithecium ( Venturia stage) ; 7 and 8, asci and spores of Venturia ; 9, apple twig with Fusicladium stage, as appearing during winter and spring. Figs, i and 9 reduced ; remainder highly mag. practicable. I am not convinced. I believe that it is as practicable to remove the dead shoots from a tree as it is to remove the apples, in fact the Director of the Research Laboratory at Wisley informs me that, out of a batch of badly diseased apple-trees, those t
. Introduction to the study of fungi; their organography, classification, and distribution, for the use of collectors. Fungi. 204 INTRODUCTION TO THE STUDY OF FUNGI that some of the species of Nectria have an early stage in which the stroma develops only conidia without perithecia, and that these conidial forms were in earlier times regarded as autonomous moulds of the genus Tubercularia.1 Later on perithecia appear upon the old stroma, which contain asci and sporidia (Fig. 94). There are a few species which resemble, when mature, in external appearance certain species of Nectria or Dialonectr Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/introduction-to-the-study-of-fungi-their-organography-classification-and-distribution-for-the-use-of-collectors-fungi-204-introduction-to-the-study-of-fungi-that-some-of-the-species-of-nectria-have-an-early-stage-in-which-the-stroma-develops-only-conidia-without-perithecia-and-that-these-conidial-forms-were-in-earlier-times-regarded-as-autonomous-moulds-of-the-genus-tubercularia1-later-on-perithecia-appear-upon-the-old-stroma-which-contain-asci-and-sporidia-fig-94-there-are-a-few-species-which-resemble-when-mature-in-external-appearance-certain-species-of-nectria-or-dialonectr-image232309468.html
RMRDXH2M–. Introduction to the study of fungi; their organography, classification, and distribution, for the use of collectors. Fungi. 204 INTRODUCTION TO THE STUDY OF FUNGI that some of the species of Nectria have an early stage in which the stroma develops only conidia without perithecia, and that these conidial forms were in earlier times regarded as autonomous moulds of the genus Tubercularia.1 Later on perithecia appear upon the old stroma, which contain asci and sporidia (Fig. 94). There are a few species which resemble, when mature, in external appearance certain species of Nectria or Dialonectr
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 714 ADDITIONAI. EXERCISES BB. Sderotia not (or rarely) produced (under special conditions). Use gelatin cultures (i) and (2), compare agar cultures. C. Rapid liquefiers (abundant liquid in five to twelve days). D. With definite, strong ammoniacal odor. 1. Yellowish brown, spores rough. P. brevicauk (Fig. 248). 2. White or cream, spores rough. P. brevicaule var. album.. Fig. 255.—Penicillium funiculosum. a, b^ c, d, c, f, conidial fructifications with conidiiferous cells and conidiospore Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-714-additionai-exercises-bb-sderotia-not-or-rarely-produced-under-special-conditions-use-gelatin-cultures-i-and-2-compare-agar-cultures-c-rapid-liquefiers-abundant-liquid-in-five-to-twelve-days-d-with-definite-strong-ammoniacal-odor-1-yellowish-brown-spores-rough-p-brevicauk-fig-248-2-white-or-cream-spores-rough-p-brevicaule-var-album-fig-255penicillium-funiculosum-a-b-c-d-c-f-conidial-fructifications-with-conidiiferous-cells-and-conidiospore-image216457321.html
RMPG4DEH–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 714 ADDITIONAI. EXERCISES BB. Sderotia not (or rarely) produced (under special conditions). Use gelatin cultures (i) and (2), compare agar cultures. C. Rapid liquefiers (abundant liquid in five to twelve days). D. With definite, strong ammoniacal odor. 1. Yellowish brown, spores rough. P. brevicauk (Fig. 248). 2. White or cream, spores rough. P. brevicaule var. album.. Fig. 255.—Penicillium funiculosum. a, b^ c, d, c, f, conidial fructifications with conidiiferous cells and conidiospore
. Fig. 137.—Sclerotinia baecarum on Vo.cciniuin Mi/rtillus. Young shoot of Bilberry with deformed branch bearing white conidial patches on its lower side ; also a withered leaf. A, Conidial chains, and a portion enlarged. B, Shoot with an iipper healthy ripe berry and a lower mummified one. C, Peziza-cip develoi^ed from a sclerotium. D, Ascosijores ; the smaller incajjable of germination, another germinating and giving off sporidia. (After Woronin.) them as food-material." " Finally, the germ-tubes penetrate between the elements of the outer rind already killed, and there develop to Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-137sclerotinia-baecarum-on-vocciniuin-mirtillus-young-shoot-of-bilberry-with-deformed-branch-bearing-white-conidial-patches-on-its-lower-side-also-a-withered-leaf-a-conidial-chains-and-a-portion-enlarged-b-shoot-with-an-iipper-healthy-ripe-berry-and-a-lower-mummified-one-c-peziza-cip-develoied-from-a-sclerotium-d-ascosijores-the-smaller-incajjable-of-germination-another-germinating-and-giving-off-sporidia-after-woronin-them-as-food-materialquot-quot-finally-the-germ-tubes-penetrate-between-the-elements-of-the-outer-rind-already-killed-and-there-develop-to-image179901957.html
RMMCK6NW–. Fig. 137.—Sclerotinia baecarum on Vo.cciniuin Mi/rtillus. Young shoot of Bilberry with deformed branch bearing white conidial patches on its lower side ; also a withered leaf. A, Conidial chains, and a portion enlarged. B, Shoot with an iipper healthy ripe berry and a lower mummified one. C, Peziza-cip develoi^ed from a sclerotium. D, Ascosijores ; the smaller incajjable of germination, another germinating and giving off sporidia. (After Woronin.) them as food-material." " Finally, the germ-tubes penetrate between the elements of the outer rind already killed, and there develop to
. Agricultural botany, theoretical and practical. Botany, Economic; Botany. 746 FUNGI either at the same time or in irregular succession from the same mycelium. A very large and heterogeneous collection of fungi, classified in systematic works as ' Fungi imperfectly appear to be conidial forms of imperfectly known Ascomycetes, the ascospores of which are either absent altogether or which have not yet been recognised. 2. The True Yeasts are by several authorities included in the Ascomycetes and united into an order or family, the Saccharomycetacece. The commonest and best known species is Beer- Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/agricultural-botany-theoretical-and-practical-botany-economic-botany-746-fungi-either-at-the-same-time-or-in-irregular-succession-from-the-same-mycelium-a-very-large-and-heterogeneous-collection-of-fungi-classified-in-systematic-works-as-fungi-imperfectly-appear-to-be-conidial-forms-of-imperfectly-known-ascomycetes-the-ascospores-of-which-are-either-absent-altogether-or-which-have-not-yet-been-recognised-2-the-true-yeasts-are-by-several-authorities-included-in-the-ascomycetes-and-united-into-an-order-or-family-the-saccharomycetacece-the-commonest-and-best-known-species-is-beer-image232357485.html
RMRE0P9H–. Agricultural botany, theoretical and practical. Botany, Economic; Botany. 746 FUNGI either at the same time or in irregular succession from the same mycelium. A very large and heterogeneous collection of fungi, classified in systematic works as ' Fungi imperfectly appear to be conidial forms of imperfectly known Ascomycetes, the ascospores of which are either absent altogether or which have not yet been recognised. 2. The True Yeasts are by several authorities included in the Ascomycetes and united into an order or family, the Saccharomycetacece. The commonest and best known species is Beer-
. The fungi which cause plant disease . Plant diseases; Fungi. 500 THE FUNGI WHICH CAUSE PLANT DISEASE Fuckelia Bonordin (p. 483) Stroma erumpent, globose-pulvinate, substipitate, dark without, lighter within, with several angular pycnidial locules; conidia elliptic. A single species F. ribis Bon. on cm-rants in Europe is a conidial form of Cenangium vitesia. See p.. 151. Ceuthospora Grevielle (p. 483) Stroma coalescing, erumpent, cushion-shaped, leathery, many- chambered, all chambers opening by a common pore; conidia elongate cylindric, mostly straight. Some twenty-five species, chiefly sapr Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-500-the-fungi-which-cause-plant-disease-fuckelia-bonordin-p-483-stroma-erumpent-globose-pulvinate-substipitate-dark-without-lighter-within-with-several-angular-pycnidial-locules-conidia-elliptic-a-single-species-f-ribis-bon-on-cm-rants-in-europe-is-a-conidial-form-of-cenangium-vitesia-see-p-151-ceuthospora-grevielle-p-483-stroma-coalescing-erumpent-cushion-shaped-leathery-many-chambered-all-chambers-opening-by-a-common-pore-conidia-elongate-cylindric-mostly-straight-some-twenty-five-species-chiefly-sapr-image216377249.html
RMPG0RAW–. The fungi which cause plant disease . Plant diseases; Fungi. 500 THE FUNGI WHICH CAUSE PLANT DISEASE Fuckelia Bonordin (p. 483) Stroma erumpent, globose-pulvinate, substipitate, dark without, lighter within, with several angular pycnidial locules; conidia elliptic. A single species F. ribis Bon. on cm-rants in Europe is a conidial form of Cenangium vitesia. See p.. 151. Ceuthospora Grevielle (p. 483) Stroma coalescing, erumpent, cushion-shaped, leathery, many- chambered, all chambers opening by a common pore; conidia elongate cylindric, mostly straight. Some twenty-five species, chiefly sapr
. active vegetation begins about two and a half montlis later than in the plains, i.e. at the beginning of June. The season of mature spores of Sphaerdla is thus delayed till about the middle of August. On 26th September I found at this elevation only a few spots on the larch needles, and on these hardly any conidial cushions. By 28 th September this larch plantation was already under snow." " It will thus be seen, tliat while at a high elevation the larch can flourish with a vegetative period extending only to three and a quarter or four months, the Spliacrclla has not the time nece Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/active-vegetation-begins-about-two-and-a-half-montlis-later-than-in-the-plains-ie-at-the-beginning-of-june-the-season-of-mature-spores-of-sphaerdla-is-thus-delayed-till-about-the-middle-of-august-on-26th-september-i-found-at-this-elevation-only-a-few-spots-on-the-larch-needles-and-on-these-hardly-any-conidial-cushions-by-28-th-september-this-larch-plantation-was-already-under-snowquot-quot-it-will-thus-be-seen-tliat-while-at-a-high-elevation-the-larch-can-flourish-with-a-vegetative-period-extending-only-to-three-and-a-quarter-or-four-months-the-spliacrclla-has-not-the-time-nece-image179901691.html
RMMCK6CB–. active vegetation begins about two and a half montlis later than in the plains, i.e. at the beginning of June. The season of mature spores of Sphaerdla is thus delayed till about the middle of August. On 26th September I found at this elevation only a few spots on the larch needles, and on these hardly any conidial cushions. By 28 th September this larch plantation was already under snow." " It will thus be seen, tliat while at a high elevation the larch can flourish with a vegetative period extending only to three and a quarter or four months, the Spliacrclla has not the time nece
. Botany for high schools and colleges. Botany. 360 BOTANY. the conidia (Pig. 175). In the different species there are considerable variations in the.size and shape of the conidia, and the mode of branching of the conidial hyphse, and upon these many specific characters are based. 344.—In the genus Cystopus the formation of conidia is shghtly different. The conidial hyphffi multiply greatly at certain points beneath the epidermis of the host, and there produce conidia by successive constrictions {B, Fig. 176). The conidia remain in loose connection, and form moniliform rows, in which the upper Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/botany-for-high-schools-and-colleges-botany-360-botany-the-conidia-pig-175-in-the-different-species-there-are-considerable-variations-in-thesize-and-shape-of-the-conidia-and-the-mode-of-branching-of-the-conidial-hyphse-and-upon-these-many-specific-characters-are-based-344in-the-genus-cystopus-the-formation-of-conidia-is-shghtly-different-the-conidial-hyphffi-multiply-greatly-at-certain-points-beneath-the-epidermis-of-the-host-and-there-produce-conidia-by-successive-constrictions-b-fig-176-the-conidia-remain-in-loose-connection-and-form-moniliform-rows-in-which-the-upper-image232282434.html
RMRDWAH6–. Botany for high schools and colleges. Botany. 360 BOTANY. the conidia (Pig. 175). In the different species there are considerable variations in the.size and shape of the conidia, and the mode of branching of the conidial hyphse, and upon these many specific characters are based. 344.—In the genus Cystopus the formation of conidia is shghtly different. The conidial hyphffi multiply greatly at certain points beneath the epidermis of the host, and there produce conidia by successive constrictions {B, Fig. 176). The conidia remain in loose connection, and form moniliform rows, in which the upper
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. APPENDIX Vn 719 2. Green, conidial fructifications rather compact, odor definite, "mouldy." P. commune (Fig. 258). in. Fruiting surface velvety of simple conidiophores, or conidiophores borne so close to surface of subtratum as to appear simple. Conidial mass a dense column of conidial chains. 1. Column from a single verticil of sterigmata. P. spinulosum (Fig. 259). 2. Column from a verticil of branchlets with verticillate cells and chains. P. Tubrum (Fig. 260). Elements of co Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-appendix-vn-719-2-green-conidial-fructifications-rather-compact-odor-definite-quotmouldyquot-p-commune-fig-258-in-fruiting-surface-velvety-of-simple-conidiophores-or-conidiophores-borne-so-close-to-surface-of-subtratum-as-to-appear-simple-conidial-mass-a-dense-column-of-conidial-chains-1-column-from-a-single-verticil-of-sterigmata-p-spinulosum-fig-259-2-column-from-a-verticil-of-branchlets-with-verticillate-cells-and-chains-p-tubrum-fig-260-elements-of-co-image216457267.html
RMPG4DCK–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. APPENDIX Vn 719 2. Green, conidial fructifications rather compact, odor definite, "mouldy." P. commune (Fig. 258). in. Fruiting surface velvety of simple conidiophores, or conidiophores borne so close to surface of subtratum as to appear simple. Conidial mass a dense column of conidial chains. 1. Column from a single verticil of sterigmata. P. spinulosum (Fig. 259). 2. Column from a verticil of branchlets with verticillate cells and chains. P. Tubrum (Fig. 260). Elements of co
. Fig 66—Koselhiiia iiciatnx. i, poiiion of root of apple-tree with whue fleecy mycelium, 2, biown hyphae with swelHngs; 3, loot with sderotia beating conidial fruit; 4, single cluster of conidiophoies; 5, branch of last beating conidia; 6, stylospores produced in pycnidia (after Viala) ; 7, perithecium surrounded by conidiophores (after Viala) ; 8, ascospores; 9, a sycamore infected witli thi^ fungus, the portion above ground enveloped in white my- celium, the portion below ground with numerous sclerotia, c (after Hartig). Figs, i and 9 reduced ; the remainder variously mag. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-66koselhiiia-iiciatnx-i-poiiion-of-root-of-apple-tree-with-whue-fleecy-mycelium-2-biown-hyphae-with-swelhngs-3-loot-with-sderotia-beating-conidial-fruit-4-single-cluster-of-conidiophoies-5-branch-of-last-beating-conidia-6-stylospores-produced-in-pycnidia-after-viala-7-perithecium-surrounded-by-conidiophores-after-viala-8-ascospores-9-a-sycamore-infected-witli-thi-fungus-the-portion-above-ground-enveloped-in-white-my-celium-the-portion-below-ground-with-numerous-sclerotia-c-after-hartig-figs-i-and-9-reduced-the-remainder-variously-mag-image179906453.html
RMMCKCED–. Fig 66—Koselhiiia iiciatnx. i, poiiion of root of apple-tree with whue fleecy mycelium, 2, biown hyphae with swelHngs; 3, loot with sderotia beating conidial fruit; 4, single cluster of conidiophoies; 5, branch of last beating conidia; 6, stylospores produced in pycnidia (after Viala) ; 7, perithecium surrounded by conidiophores (after Viala) ; 8, ascospores; 9, a sycamore infected witli thi^ fungus, the portion above ground enveloped in white my- celium, the portion below ground with numerous sclerotia, c (after Hartig). Figs, i and 9 reduced ; the remainder variously mag.
. Agricultural botany, theoretical and practical. Botany, Economic; Botany. 7o6 FUNGI by the fungus, Macrosporiu7n Solani Ell. et Mart., only conidial forms of which are known. The conidia and hyphae bearing them are brown. Each of the former when fully developed is somewhat spindle-shaped and formed of several cells as at A, Fig. 236. The mycelium is colourless and penetrates into the tissues of the leaves upon which it usually causes small greyish- brown patches, which are much slower in development and paler in colour than those due to Phytoph- thora infestans. The disease often occurs earl Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/agricultural-botany-theoretical-and-practical-botany-economic-botany-7o6-fungi-by-the-fungus-macrosporiu7n-solani-ell-et-mart-only-conidial-forms-of-which-are-known-the-conidia-and-hyphae-bearing-them-are-brown-each-of-the-former-when-fully-developed-is-somewhat-spindle-shaped-and-formed-of-several-cells-as-at-a-fig-236-the-mycelium-is-colourless-and-penetrates-into-the-tissues-of-the-leaves-upon-which-it-usually-causes-small-greyish-brown-patches-which-are-much-slower-in-development-and-paler-in-colour-than-those-due-to-phytoph-thora-infestans-the-disease-often-occurs-earl-image232357577.html
RMRE0PCW–. Agricultural botany, theoretical and practical. Botany, Economic; Botany. 7o6 FUNGI by the fungus, Macrosporiu7n Solani Ell. et Mart., only conidial forms of which are known. The conidia and hyphae bearing them are brown. Each of the former when fully developed is somewhat spindle-shaped and formed of several cells as at A, Fig. 236. The mycelium is colourless and penetrates into the tissues of the leaves upon which it usually causes small greyish- brown patches, which are much slower in development and paler in colour than those due to Phytoph- thora infestans. The disease often occurs earl
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 139 FiQ. 93.—S. fuckeli- ana, attachment organ. After Ist- vanffi. On the apple the fungus shows two different modes of develop- ment. In some cases the mycelium accumulates under the epider- mis without producing spores, becomes dark colored and also causes a darkening of the contents of the host cells, which results in a black spot giving rise to the name black rot. In other cases ^^ the mycelium produces a brown rot and abundant conidial tufts, ar- ranged in concentric circles around the point Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-139-fiq-93s-fuckeli-ana-attachment-organ-after-ist-vanffi-on-the-apple-the-fungus-shows-two-different-modes-of-develop-ment-in-some-cases-the-mycelium-accumulates-under-the-epider-mis-without-producing-spores-becomes-dark-colored-and-also-causes-a-darkening-of-the-contents-of-the-host-cells-which-results-in-a-black-spot-giving-rise-to-the-name-black-rot-in-other-cases-the-mycelium-produces-a-brown-rot-and-abundant-conidial-tufts-ar-ranged-in-concentric-circles-around-the-point-image216459896.html
RMPG4GPG–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 139 FiQ. 93.—S. fuckeli- ana, attachment organ. After Ist- vanffi. On the apple the fungus shows two different modes of develop- ment. In some cases the mycelium accumulates under the epider- mis without producing spores, becomes dark colored and also causes a darkening of the contents of the host cells, which results in a black spot giving rise to the name black rot. In other cases ^^ the mycelium produces a brown rot and abundant conidial tufts, ar- ranged in concentric circles around the point
. Fk). ^Vl.— Vtntvria (FimifUutiiuit) tlendriticuui foniiilig brown «ii<it8 on un apple ; those still in the earlier stages have a radiate margin and War conidia. 'I'he cnliirged section shows two rows of large-celled parenchyma of the apple, covered bv a stroma of i)seiidi"parenchyma bearing conidiophores and conidia. (V. TuU-iif del.) F. pirinum (Lib.) (I'.S. America). This is a cause of "spotting" on leaves and fruits of tlie .pear, also of species of Crfifatf/us aiul Amclanchii:i: The conidial i)atches are lirowni.^h in colour. Teglion states liiat this parasite forms sde Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fk-vl-vtntvria-fimifuutiiuit-tlendriticuui-foniiilig-brown-iiltit8-on-un-apple-those-still-in-the-earlier-stages-have-a-radiate-margin-and-war-conidia-ihe-cnliirged-section-shows-two-rows-of-large-celled-parenchyma-of-the-apple-covered-bv-a-stroma-of-iseiidiquotparenchyma-bearing-conidiophores-and-conidia-v-tuu-iif-del-f-pirinum-lib-is-america-this-is-a-cause-of-quotspottingquot-on-leaves-and-fruits-of-tlie-pear-also-of-species-of-crfifatfus-aiul-amclanchiii-the-conidial-iatches-are-lirownih-in-colour-teglion-states-liiat-this-parasite-forms-sde-image179900635.html
RMMCK52K–. Fk). ^Vl.— Vtntvria (FimifUutiiuit) tlendriticuui foniiilig brown «ii<it8 on un apple ; those still in the earlier stages have a radiate margin and War conidia. 'I'he cnliirged section shows two rows of large-celled parenchyma of the apple, covered bv a stroma of i)seiidi"parenchyma bearing conidiophores and conidia. (V. TuU-iif del.) F. pirinum (Lib.) (I'.S. America). This is a cause of "spotting" on leaves and fruits of tlie .pear, also of species of Crfifatf/us aiul Amclanchii:i: The conidial i)atches are lirowni.^h in colour. Teglion states liiat this parasite forms sde
. Text-book of botany, morphological and physiological. Botany. 2?6 THALLOPHYTES. (C. candidus), or the terminal conidium of each chain gives rise to a germinating filament, if it is capable of germinating, while the other cells of the conidial chain produce zoogonidia (C. Portulaca;). After the swarming is finished the zoogonidia become firmly attached to the cuticle of the host, invest themselves with a thin cell-wall, and, in the case of Peronospora infestans, put out a delicate germinating filament directly into an epidermal cell, piercing through its outer wall. After it has entered the c Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/text-book-of-botany-morphological-and-physiological-botany-26-thallophytes-c-candidus-or-the-terminal-conidium-of-each-chain-gives-rise-to-a-germinating-filament-if-it-is-capable-of-germinating-while-the-other-cells-of-the-conidial-chain-produce-zoogonidia-c-portulaca-after-the-swarming-is-finished-the-zoogonidia-become-firmly-attached-to-the-cuticle-of-the-host-invest-themselves-with-a-thin-cell-wall-and-in-the-case-of-peronospora-infestans-put-out-a-delicate-germinating-filament-directly-into-an-epidermal-cell-piercing-through-its-outer-wall-after-it-has-entered-the-c-image237845339.html
RMRPXP4B–. Text-book of botany, morphological and physiological. Botany. 2?6 THALLOPHYTES. (C. candidus), or the terminal conidium of each chain gives rise to a germinating filament, if it is capable of germinating, while the other cells of the conidial chain produce zoogonidia (C. Portulaca;). After the swarming is finished the zoogonidia become firmly attached to the cuticle of the host, invest themselves with a thin cell-wall, and, in the case of Peronospora infestans, put out a delicate germinating filament directly into an epidermal cell, piercing through its outer wall. After it has entered the c
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. APPENDIX VIU Wood (pine). I. Producing orange to red stains in pine wood. P. pinophilum. 721. Fig. 263.—PenicilUum rugulosum. a, b. Branching of conidiophore; c, d, e, conidiiferous cells and conidiospores; /fully ripe conidiospore; g, h, j, swelling and germination of conidiospore; I, m, diagram of conidial fructifications. (After Thorn.) APPENDIX VIII Keys to the Genera of the EeysiphacejE (See Salmon, Ernest S.: A Monograph of the Erysiphaceae Mem. Ton. Bot. Club IX, 1900.) A. Perith Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-appendix-viu-wood-pine-i-producing-orange-to-red-stains-in-pine-wood-p-pinophilum-721-fig-263peniciluum-rugulosum-a-b-branching-of-conidiophore-c-d-e-conidiiferous-cells-and-conidiospores-fully-ripe-conidiospore-g-h-j-swelling-and-germination-of-conidiospore-i-m-diagram-of-conidial-fructifications-after-thorn-appendix-viii-keys-to-the-genera-of-the-eeysiphaceje-see-salmon-ernest-s-a-monograph-of-the-erysiphaceae-mem-ton-bot-club-ix-1900-a-perith-image216457253.html
RMPG4DC5–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. APPENDIX VIU Wood (pine). I. Producing orange to red stains in pine wood. P. pinophilum. 721. Fig. 263.—PenicilUum rugulosum. a, b. Branching of conidiophore; c, d, e, conidiiferous cells and conidiospores; /fully ripe conidiospore; g, h, j, swelling and germination of conidiospore; I, m, diagram of conidial fructifications. (After Thorn.) APPENDIX VIII Keys to the Genera of the EeysiphacejE (See Salmon, Ernest S.: A Monograph of the Erysiphaceae Mem. Ton. Bot. Club IX, 1900.) A. Perith
. Fig. 71. — Lophodermium pinastri. i, fungus on pine leaves; 2, ascigerous form of fungus; 3, conidial form ; 4, ascus with spores; 5, a single spore. Figs. 2-5 mag. primary leaves showing brown blotches, while other portions become purple-red. Even at this early stage the character- istic mycelium may be found in the brown blotches. During the first year after infection a large number of minute black spots, representing a conidial form of the fungus, are pro- duced, the contents of which do not appear to be capable of germination. As a rule, the ascigerous form of the fungus does not appear Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-71-lophodermium-pinastri-i-fungus-on-pine-leaves-2-ascigerous-form-of-fungus-3-conidial-form-4-ascus-with-spores-5-a-single-spore-figs-2-5-mag-primary-leaves-showing-brown-blotches-while-other-portions-become-purple-red-even-at-this-early-stage-the-character-istic-mycelium-may-be-found-in-the-brown-blotches-during-the-first-year-after-infection-a-large-number-of-minute-black-spots-representing-a-conidial-form-of-the-fungus-are-pro-duced-the-contents-of-which-do-not-appear-to-be-capable-of-germination-as-a-rule-the-ascigerous-form-of-the-fungus-does-not-appear-image179906447.html
RMMCKCE7–. Fig. 71. — Lophodermium pinastri. i, fungus on pine leaves; 2, ascigerous form of fungus; 3, conidial form ; 4, ascus with spores; 5, a single spore. Figs. 2-5 mag. primary leaves showing brown blotches, while other portions become purple-red. Even at this early stage the character- istic mycelium may be found in the brown blotches. During the first year after infection a large number of minute black spots, representing a conidial form of the fungus, are pro- duced, the contents of which do not appear to be capable of germination. As a rule, the ascigerous form of the fungus does not appear
. Comparative morphology of Fungi. Fungi. HYPOCREALES 241 its name (Fig. 156, 3). When conidial formation is exhausted, the small, dark red perithecia, about 1 mm. high, with a conical ostiole arise beneath the drop of slime that crowns the typical fructification. This genus connects directly with the stromatic Nectriaceae; it has in common with them the development of a succession of conidia and perithecia on the same stroma, and differs from them only in the more highly differentiated structure of its stromata. Towards a third direction has developed the Mycocitrus-Shiraia group, of which we Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/comparative-morphology-of-fungi-fungi-hypocreales-241-its-name-fig-156-3-when-conidial-formation-is-exhausted-the-small-dark-red-perithecia-about-1-mm-high-with-a-conical-ostiole-arise-beneath-the-drop-of-slime-that-crowns-the-typical-fructification-this-genus-connects-directly-with-the-stromatic-nectriaceae-it-has-in-common-with-them-the-development-of-a-succession-of-conidia-and-perithecia-on-the-same-stroma-and-differs-from-them-only-in-the-more-highly-differentiated-structure-of-its-stromata-towards-a-third-direction-has-developed-the-mycocitrus-shiraia-group-of-which-we-image232675577.html
RMREF821–. Comparative morphology of Fungi. Fungi. HYPOCREALES 241 its name (Fig. 156, 3). When conidial formation is exhausted, the small, dark red perithecia, about 1 mm. high, with a conical ostiole arise beneath the drop of slime that crowns the typical fructification. This genus connects directly with the stromatic Nectriaceae; it has in common with them the development of a succession of conidia and perithecia on the same stroma, and differs from them only in the more highly differentiated structure of its stromata. Towards a third direction has developed the Mycocitrus-Shiraia group, of which we
. The fungi which cause plant disease . Plant diseases; Fungi. 238 THE FUNGI WHICH CAUSE PLANT DISEASE Over one hundred thirty species are known. Some are impor- tant parasites. Conidial forms are found in Phoma and Phyllosticta. G. bidwellii (E.) V. & R.^- ^*^"^ Perithecia minute, globose, subepidermal, erumpent, perforate; asci clavate-cylindric, obtuse, 60-70 x 10-13 fi; spores elliptic to oblong, continuous, 12-17 x 43^-5 fi. Conidia (=Phoma uvicola, Phyllosticta labruscae, Naemospora ampeUcida) borne in pycnidia 180 x 180 fi, subepidermal, elliptic,. Fig. 173.—Diagrammatic sectio Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-238-the-fungi-which-cause-plant-disease-over-one-hundred-thirty-species-are-known-some-are-impor-tant-parasites-conidial-forms-are-found-in-phoma-and-phyllosticta-g-bidwellii-e-v-amp-r-quot-perithecia-minute-globose-subepidermal-erumpent-perforate-asci-clavate-cylindric-obtuse-60-70-x-10-13-fi-spores-elliptic-to-oblong-continuous-12-17-x-43-5-fi-conidia-=phoma-uvicola-phyllosticta-labruscae-naemospora-ampeucida-borne-in-pycnidia-180-x-180-fi-subepidermal-elliptic-fig-173diagrammatic-sectio-image216459366.html
RMPG4G3J–. The fungi which cause plant disease . Plant diseases; Fungi. 238 THE FUNGI WHICH CAUSE PLANT DISEASE Over one hundred thirty species are known. Some are impor- tant parasites. Conidial forms are found in Phoma and Phyllosticta. G. bidwellii (E.) V. & R.^- ^*^"^ Perithecia minute, globose, subepidermal, erumpent, perforate; asci clavate-cylindric, obtuse, 60-70 x 10-13 fi; spores elliptic to oblong, continuous, 12-17 x 43^-5 fi. Conidia (=Phoma uvicola, Phyllosticta labruscae, Naemospora ampeUcida) borne in pycnidia 180 x 180 fi, subepidermal, elliptic,. Fig. 173.—Diagrammatic sectio
. Fig. 59.— VenturiiZ pirina. i, conidial form of fungus on pear leaf; 2, conidial form of fungus on pear, causing scab ; 3, fruit of conidial stage, highly mag. shrinking and depression of a patch of bark, on which longi- tudinal and transverse cracks appear. When the wound becomes open, black pycnidia appear, followed by the asci- gerous form of fruit. Pyenidia very minute, o-2-o'4 mm. diam., conidia colour- less, fusiform, 7-9x2-2-5 jx, on the tips of branched conidio- phores. Perithecia depressed globose, with a long, stout beak; O Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-59-venturiiz-pirina-i-conidial-form-of-fungus-on-pear-leaf-2-conidial-form-of-fungus-on-pear-causing-scab-3-fruit-of-conidial-stage-highly-mag-shrinking-and-depression-of-a-patch-of-bark-on-which-longi-tudinal-and-transverse-cracks-appear-when-the-wound-becomes-open-black-pycnidia-appear-followed-by-the-asci-gerous-form-of-fruit-pyenidia-very-minute-o-2-o4-mm-diam-conidia-colour-less-fusiform-7-9x2-2-5-jx-on-the-tips-of-branched-conidio-phores-perithecia-depressed-globose-with-a-long-stout-beak-o-image179951237.html
RMMCNDHW–. Fig. 59.— VenturiiZ pirina. i, conidial form of fungus on pear leaf; 2, conidial form of fungus on pear, causing scab ; 3, fruit of conidial stage, highly mag. shrinking and depression of a patch of bark, on which longi- tudinal and transverse cracks appear. When the wound becomes open, black pycnidia appear, followed by the asci- gerous form of fruit. Pyenidia very minute, o-2-o'4 mm. diam., conidia colour- less, fusiform, 7-9x2-2-5 jx, on the tips of branched conidio- phores. Perithecia depressed globose, with a long, stout beak; O
. Botany for high schools and colleges. Botany. 260 BOTANY. the conidia (Fig. 175). In the diflferent species there are considerable yariations in the size and shape of the conidia, and the mode of branching of the conidial hyphse, and upon these many specific characters are based. 344.âIn the genus Cystopus the formation of conidia is sHghtly different. The conidial hyphse multiply greatly at certain points beneath the epidermis of the host, and there produce conidia by successive constrictions {B, Fig. 176). The conidia remain in loose connection, and form moniliform rows, in which the upper Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/botany-for-high-schools-and-colleges-botany-260-botany-the-conidia-fig-175-in-the-diflferent-species-there-are-considerable-yariations-in-the-size-and-shape-of-the-conidia-and-the-mode-of-branching-of-the-conidial-hyphse-and-upon-these-many-specific-characters-are-based-344in-the-genus-cystopus-the-formation-of-conidia-is-shghtly-different-the-conidial-hyphse-multiply-greatly-at-certain-points-beneath-the-epidermis-of-the-host-and-there-produce-conidia-by-successive-constrictions-b-fig-176-the-conidia-remain-in-loose-connection-and-form-moniliform-rows-in-which-the-upper-image232282109.html
RMRDWA5H–. Botany for high schools and colleges. Botany. 260 BOTANY. the conidia (Fig. 175). In the diflferent species there are considerable yariations in the size and shape of the conidia, and the mode of branching of the conidial hyphse, and upon these many specific characters are based. 344.âIn the genus Cystopus the formation of conidia is sHghtly different. The conidial hyphse multiply greatly at certain points beneath the epidermis of the host, and there produce conidia by successive constrictions {B, Fig. 176). The conidia remain in loose connection, and form moniliform rows, in which the upper
. The fungi which cause plant disease . Plant diseases; Fungi. FiQ. 432.—HyphtB of Tubercularia, bearing conidia. After Durand.. Fio. 433.—T. fici, sporodochium, showing i and conidial formation. After Edgerton. In slender, usually branched; conidia apical, ovate to elongate, part =Nectria. See p. 201. Over one hundred species, chiefly saprophytes. T. vulgaris Tode =Nectria cinnabarina. See p. 202. T. fici Edg.'^*' 361 Sporodochia scattered or gregarious, superficial or subcuticular, light pink, variable in size up to 3-4 x 1-1.5 mm., smooth, irregular in outline; conidiophores crowded, hyalin Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-fiq-432hyphtb-of-tubercularia-bearing-conidia-after-durand-fio-433t-fici-sporodochium-showing-i-and-conidial-formation-after-edgerton-in-slender-usually-branched-conidia-apical-ovate-to-elongate-part-=nectria-see-p-201-over-one-hundred-species-chiefly-saprophytes-t-vulgaris-tode-=nectria-cinnabarina-see-p-202-t-fici-edg-361-sporodochia-scattered-or-gregarious-superficial-or-subcuticular-light-pink-variable-in-size-up-to-3-4-x-1-15-mm-smooth-irregular-in-outline-conidiophores-crowded-hyalin-image216451079.html
RMPG45FK–. The fungi which cause plant disease . Plant diseases; Fungi. FiQ. 432.—HyphtB of Tubercularia, bearing conidia. After Durand.. Fio. 433.—T. fici, sporodochium, showing i and conidial formation. After Edgerton. In slender, usually branched; conidia apical, ovate to elongate, part =Nectria. See p. 201. Over one hundred species, chiefly saprophytes. T. vulgaris Tode =Nectria cinnabarina. See p. 202. T. fici Edg.'^*' 361 Sporodochia scattered or gregarious, superficial or subcuticular, light pink, variable in size up to 3-4 x 1-1.5 mm., smooth, irregular in outline; conidiophores crowded, hyalin
. Fio. 137.—Sderotinia haccarwn on Vo.ccinium Myrtillus. Young shoot of Bilberry with deformed branch bearing white conidial patches on its lower side ; also a withered leaf. A, Conidial chains, and a portion enlarged. B, Shoot with aii upper healthy ripe berry and a lower mummified one. C, Peziza-cup developed from a sclerotium. D, Ascospores ; the smaller incapable of germination, another germinating and giving off sporidia. (After Woronin.) them as food-material." " Finally, the germ-tubes penetrate between the elements of the outer rind already killed, and there develop to a stro Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fio-137sderotinia-haccarwn-on-voccinium-myrtillus-young-shoot-of-bilberry-with-deformed-branch-bearing-white-conidial-patches-on-its-lower-side-also-a-withered-leaf-a-conidial-chains-and-a-portion-enlarged-b-shoot-with-aii-upper-healthy-ripe-berry-and-a-lower-mummified-one-c-peziza-cup-developed-from-a-sclerotium-d-ascospores-the-smaller-incapable-of-germination-another-germinating-and-giving-off-sporidia-after-woronin-them-as-food-materialquot-quot-finally-the-germ-tubes-penetrate-between-the-elements-of-the-outer-rind-already-killed-and-there-develop-to-a-stro-image179901597.html
RMMCK691–. Fio. 137.—Sderotinia haccarwn on Vo.ccinium Myrtillus. Young shoot of Bilberry with deformed branch bearing white conidial patches on its lower side ; also a withered leaf. A, Conidial chains, and a portion enlarged. B, Shoot with aii upper healthy ripe berry and a lower mummified one. C, Peziza-cup developed from a sclerotium. D, Ascospores ; the smaller incapable of germination, another germinating and giving off sporidia. (After Woronin.) them as food-material." " Finally, the germ-tubes penetrate between the elements of the outer rind already killed, and there develop to a stro
. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. Fig, 3.âMycelium and conidiumUke structures developing from ascospores of Pseudo- pezlza medicaginis on agar agar. X 400. mycelium of P. trifoUl furnish an easy morphological distinction between the two species. REPORTED CONIDIAL STAGES OF THESE FUNGI. It is a matter of some interest to note that all the studies of Pseuclopeziza on alfalfa and clover which have been made by European mycologists and pathologists with but a single exception (Briosi, 1888) have contained a discussion of an associated conidial stage. Thus Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/bulletin-of-the-us-department-of-agriculture-agriculture-agriculture-fig-3mycelium-and-conidiumuke-structures-developing-from-ascospores-of-pseudo-pezlza-medicaginis-on-agar-agar-x-400-mycelium-of-p-trifoul-furnish-an-easy-morphological-distinction-between-the-two-species-reported-conidial-stages-of-these-fungi-it-is-a-matter-of-some-interest-to-note-that-all-the-studies-of-pseuclopeziza-on-alfalfa-and-clover-which-have-been-made-by-european-mycologists-and-pathologists-with-but-a-single-exception-briosi-1888-have-contained-a-discussion-of-an-associated-conidial-stage-thus-image233835378.html
RMRGC3BE–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. Fig, 3.âMycelium and conidiumUke structures developing from ascospores of Pseudo- pezlza medicaginis on agar agar. X 400. mycelium of P. trifoUl furnish an easy morphological distinction between the two species. REPORTED CONIDIAL STAGES OF THESE FUNGI. It is a matter of some interest to note that all the studies of Pseuclopeziza on alfalfa and clover which have been made by European mycologists and pathologists with but a single exception (Briosi, 1888) have contained a discussion of an associated conidial stage. Thus
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 712 ADDITIONAL EXERCISES I. Key of Species Grown on Agar and Gelatin Media A. Species fruiting typically by coremia (vertical and definite). u. Coremia long (3 to 15 mm.). 1. Conidial masses strictly terminal, olive-green, fragrant. P. claviforme (Fig. 249). 2. Upper third of coremia fertile, conidia green. P. Duclauxii (Fig. 250). aa. Coremia small.. Fig. 252.—PeniciUium roseum. a, b, c. Branching of conidial fructification, showing few cells of each verticil; d, e, conidiiferous cell Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-712-additional-exercises-i-key-of-species-grown-on-agar-and-gelatin-media-a-species-fruiting-typically-by-coremia-vertical-and-definite-u-coremia-long-3-to-15-mm-1-conidial-masses-strictly-terminal-olive-green-fragrant-p-claviforme-fig-249-2-upper-third-of-coremia-fertile-conidia-green-p-duclauxii-fig-250-aa-coremia-small-fig-252peniciuium-roseum-a-b-c-branching-of-conidial-fructification-showing-few-cells-of-each-verticil-d-e-conidiiferous-cell-image216457336.html
RMPG4DF4–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 712 ADDITIONAL EXERCISES I. Key of Species Grown on Agar and Gelatin Media A. Species fruiting typically by coremia (vertical and definite). u. Coremia long (3 to 15 mm.). 1. Conidial masses strictly terminal, olive-green, fragrant. P. claviforme (Fig. 249). 2. Upper third of coremia fertile, conidia green. P. Duclauxii (Fig. 250). aa. Coremia small.. Fig. 252.—PeniciUium roseum. a, b, c. Branching of conidial fructification, showing few cells of each verticil; d, e, conidiiferous cell
. Fig. b^.—Claviceps purpurea, i, ergot on rye-grass; 2, ergot on rye; 3, section of portion of conidial fruit ; 4, sclerotium or ergot bearing the stalked, ascigerous form of fruit; 5, head of ascigerous fruit showing warted surface, due to projecting mouths of perithecia; the section shoNss perithecia sunk in the fleshy stroma ; 6, ascus ; 7, free needle-shaped spore. Figs, r, 2 and 4 nat. size ; remainder variously mag. cereals, especially rye, also in the inflorescence of many kinds of grasses. Infection takes place when the plants are in bloom, the mycelium developing in the ovary, replac Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-bclaviceps-purpurea-i-ergot-on-rye-grass-2-ergot-on-rye-3-section-of-portion-of-conidial-fruit-4-sclerotium-or-ergot-bearing-the-stalked-ascigerous-form-of-fruit-5-head-of-ascigerous-fruit-showing-warted-surface-due-to-projecting-mouths-of-perithecia-the-section-shonss-perithecia-sunk-in-the-fleshy-stroma-6-ascus-7-free-needle-shaped-spore-figs-r-2-and-4-nat-size-remainder-variously-mag-cereals-especially-rye-also-in-the-inflorescence-of-many-kinds-of-grasses-infection-takes-place-when-the-plants-are-in-bloom-the-mycelium-developing-in-the-ovary-replac-image180023099.html
RMMCTN8B–. Fig. b^.—Claviceps purpurea, i, ergot on rye-grass; 2, ergot on rye; 3, section of portion of conidial fruit ; 4, sclerotium or ergot bearing the stalked, ascigerous form of fruit; 5, head of ascigerous fruit showing warted surface, due to projecting mouths of perithecia; the section shoNss perithecia sunk in the fleshy stroma ; 6, ascus ; 7, free needle-shaped spore. Figs, r, 2 and 4 nat. size ; remainder variously mag. cereals, especially rye, also in the inflorescence of many kinds of grasses. Infection takes place when the plants are in bloom, the mycelium developing in the ovary, replac
. Annual report of the Agricultural Experiment Station. Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Plate xJ—95, Ccrdyceps rnelonoEthae ? conidial stage; 96, Isaria arachnopbila ; 97,98, Cordyceps clavulata. [464]. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Cornell University. Agricultural Experiment Station. Ithaca, N. Y. : The University Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/annual-report-of-the-agricultural-experiment-station-cornell-university-agricultural-experiment-station-agriculture-new-york-state-plate-xj95-ccrdyceps-rnelonoethae-conidial-stage-96-isaria-arachnopbila-9798-cordyceps-clavulata-464-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-cornell-university-agricultural-experiment-station-ithaca-n-y-the-university-image238491472.html
RMRT068G–. Annual report of the Agricultural Experiment Station. Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Plate xJ—95, Ccrdyceps rnelonoEthae ? conidial stage; 96, Isaria arachnopbila ; 97,98, Cordyceps clavulata. [464]. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Cornell University. Agricultural Experiment Station. Ithaca, N. Y. : The University
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 265. asci subclavate, fugaceous, 55-70 fi; ascospores allantoic!, 12- 22 X 3-5 yn; conidial stage ( = Gloeosporium rufomaculans) with small sori, developing in more or less concentric circles, usually soon rupturing and pushing out spores in small pinkish masses; spores hyaline to greenish, chiefly oblong, unicellular 10- 28 X 3.5-7 M- The conidial stage of this fungus was first described by Rev. M. J. Berkeley in 1854 as a Septoria. It was later transferred to the form genus Gloeosporium under w Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-265-asci-subclavate-fugaceous-55-70-fi-ascospores-allantoic!-12-22-x-3-5-yn-conidial-stage-=-gloeosporium-rufomaculans-with-small-sori-developing-in-more-or-less-concentric-circles-usually-soon-rupturing-and-pushing-out-spores-in-small-pinkish-masses-spores-hyaline-to-greenish-chiefly-oblong-unicellular-10-28-x-35-7-m-the-conidial-stage-of-this-fungus-was-first-described-by-rev-m-j-berkeley-in-1854-as-a-septoria-it-was-later-transferred-to-the-form-genus-gloeosporium-under-w-image216451765.html
RMPG46C5–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 265. asci subclavate, fugaceous, 55-70 fi; ascospores allantoic!, 12- 22 X 3-5 yn; conidial stage ( = Gloeosporium rufomaculans) with small sori, developing in more or less concentric circles, usually soon rupturing and pushing out spores in small pinkish masses; spores hyaline to greenish, chiefly oblong, unicellular 10- 28 X 3.5-7 M- The conidial stage of this fungus was first described by Rev. M. J. Berkeley in 1854 as a Septoria. It was later transferred to the form genus Gloeosporium under w
. C D li Fifi. 137.âSclerotinia liaccorum on racciiiium Mi/rtitlus. Young shoot of Bilberrj' with deformed branch bearing white conidi;il jiatches on its lower side ; also ii withered leaf. A, Conidial chains, and a portion enlarged. Ji, Shoot with an iipjjer healthy ripe berry and a lower munimified one. C, Peziza-cup develoi)ed from a Bclerotium. I>, .Ascosiwres ; the smaller incapable of gcnninatiuu, another germinating and giving off si)oridia. (.fter Woronin.) tiieiu as food-material." " Finally, the germ-tubes penetrate between the elements of tlie outer rind already killed Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/c-d-li-fifi-137sclerotinia-liaccorum-on-racciiiium-mirtitlus-young-shoot-of-bilberrj-with-deformed-branch-bearing-white-conidiil-jiatches-on-its-lower-side-also-ii-withered-leaf-a-conidial-chains-and-a-portion-enlarged-ji-shoot-with-an-iipjjer-healthy-ripe-berry-and-a-lower-munimified-one-c-peziza-cup-develoied-from-a-bclerotium-igt-ascosiwres-the-smaller-incapable-of-gcnninatiuu-another-germinating-and-giving-off-sioridia-fter-woronin-tiieiu-as-food-materialquot-quot-finally-the-germ-tubes-penetrate-between-the-elements-of-tlie-outer-rind-already-killed-image179900955.html
RMMCK5E3–. C D li Fifi. 137.âSclerotinia liaccorum on racciiiium Mi/rtitlus. Young shoot of Bilberrj' with deformed branch bearing white conidi;il jiatches on its lower side ; also ii withered leaf. A, Conidial chains, and a portion enlarged. Ji, Shoot with an iipjjer healthy ripe berry and a lower munimified one. C, Peziza-cup develoi)ed from a Bclerotium. I>, .Ascosiwres ; the smaller incapable of gcnninatiuu, another germinating and giving off si)oridia. (.fter Woronin.) tiieiu as food-material." " Finally, the germ-tubes penetrate between the elements of tlie outer rind already killed
. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 262 FUNGOUS DISEASES OF PLANTS The fungus. The life history of the fungus has been con- siderably studied, and it is probable that some spore stages which have been described are not at any rate common stages in the life cycle. In general, two spore-producing stages may be found, the conidial and the ascigerous stages. The conidial stage has been described as Ramularia Tulasnei. This appears in early summer, as a rule, or so soon as the pale centers of the spots have been developed Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fungous-diseases-of-plants-with-chapters-on-physiology-culture-methods-and-technique-fungi-in-agriculture-262-fungous-diseases-of-plants-the-fungus-the-life-history-of-the-fungus-has-been-con-siderably-studied-and-it-is-probable-that-some-spore-stages-which-have-been-described-are-not-at-any-rate-common-stages-in-the-life-cycle-in-general-two-spore-producing-stages-may-be-found-the-conidial-and-the-ascigerous-stages-the-conidial-stage-has-been-described-as-ramularia-tulasnei-this-appears-in-early-summer-as-a-rule-or-so-soon-as-the-pale-centers-of-the-spots-have-been-developed-image232132350.html
RMRDJF52–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 262 FUNGOUS DISEASES OF PLANTS The fungus. The life history of the fungus has been con- siderably studied, and it is probable that some spore stages which have been described are not at any rate common stages in the life cycle. In general, two spore-producing stages may be found, the conidial and the ascigerous stages. The conidial stage has been described as Ramularia Tulasnei. This appears in early summer, as a rule, or so soon as the pale centers of the spots have been developed
. The fungi which cause plant disease . Plant diseases; Fungi. 152 THE FUNGI WHICH CAUSE PLANT DISEASE. Fig. 107.—Cenangium, habit sketch, asci and paraphyses. After Tulasne. Conidia (= Brunchorstia destuens Erikss.) in pyc- nidia which are partially embedded in the host, the smaller simple, the larger compound, 1-2 mm. in diam.; spores 30-40 x 3 n, tapering-rounded at each end, 2 to 5-septate. A second conidial phase (=Dothichiza ferruginosa Sacc.) has simple spores. C. vitesia occurs in conidial form as Fuckelia on Ribes. In many Dermatea Fries (p. 151) A genus of over sixty species some of Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-152-the-fungi-which-cause-plant-disease-fig-107cenangium-habit-sketch-asci-and-paraphyses-after-tulasne-conidia-=-brunchorstia-destuens-erikss-in-pyc-nidia-which-are-partially-embedded-in-the-host-the-smaller-simple-the-larger-compound-1-2-mm-in-diam-spores-30-40-x-3-n-tapering-rounded-at-each-end-2-to-5-septate-a-second-conidial-phase-=dothichiza-ferruginosa-sacc-has-simple-spores-c-vitesia-occurs-in-conidial-form-as-fuckelia-on-ribes-in-many-dermatea-fries-p-151-a-genus-of-over-sixty-species-some-of-image216459817.html
RMPG4GKN–. The fungi which cause plant disease . Plant diseases; Fungi. 152 THE FUNGI WHICH CAUSE PLANT DISEASE. Fig. 107.—Cenangium, habit sketch, asci and paraphyses. After Tulasne. Conidia (= Brunchorstia destuens Erikss.) in pyc- nidia which are partially embedded in the host, the smaller simple, the larger compound, 1-2 mm. in diam.; spores 30-40 x 3 n, tapering-rounded at each end, 2 to 5-septate. A second conidial phase (=Dothichiza ferruginosa Sacc.) has simple spores. C. vitesia occurs in conidial form as Fuckelia on Ribes. In many Dermatea Fries (p. 151) A genus of over sixty species some of
. Fig. 46.âPolystigma rubrum. i, diseased plum leaves; 2, section through stroma showing perithecia ; 3, asci containing spores ; 4, spermatia produced in spermogonia. Fig. i reduced ; remainder highly mag. sunk in the tissue; asci clavate; 8-spored; spores elliptical, obtuse, straight, subhyaline, 10x6//. Conidial form { = Libertella rubra, Bonor.). Spermatia filiform, slightly thickened at one end, curved, 30 x. long. Prillieux, Alalad. des Plantes Agric, 2, p. 91 (1897). B. Spores hyaline, i-septaie { = 2-celled). NECTRIA (Fries.) Perithecia distinct, clustered, or scattered, sometimes pro Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-46polystigma-rubrum-i-diseased-plum-leaves-2-section-through-stroma-showing-perithecia-3-asci-containing-spores-4-spermatia-produced-in-spermogonia-fig-i-reduced-remainder-highly-mag-sunk-in-the-tissue-asci-clavate-8-spored-spores-elliptical-obtuse-straight-subhyaline-10x6-conidial-form-=-libertella-rubra-bonor-spermatia-filiform-slightly-thickened-at-one-end-curved-30-x-long-prillieux-alalad-des-plantes-agric-2-p-91-1897-b-spores-hyaline-i-septaie-=-2-celled-nectria-fries-perithecia-distinct-clustered-or-scattered-sometimes-pro-image180026797.html
RMMCTX0D–. Fig. 46.âPolystigma rubrum. i, diseased plum leaves; 2, section through stroma showing perithecia ; 3, asci containing spores ; 4, spermatia produced in spermogonia. Fig. i reduced ; remainder highly mag. sunk in the tissue; asci clavate; 8-spored; spores elliptical, obtuse, straight, subhyaline, 10x6//. Conidial form { = Libertella rubra, Bonor.). Spermatia filiform, slightly thickened at one end, curved, 30 x. long. Prillieux, Alalad. des Plantes Agric, 2, p. 91 (1897). B. Spores hyaline, i-septaie { = 2-celled). NECTRIA (Fries.) Perithecia distinct, clustered, or scattered, sometimes pro
. Comparative morphology of Fungi. Fungi. «*Sitt$x mmmlr. Fig. are directly connected to the Diatry- paceae and Diaporthaceae. They form round, discoid, generally amorphous, crustose black stromata, as N. Bulliardi on beech branches. Their mycelia in cultures have branched, fibrous conidiophores with heads of colorless spores. In the interior of the young hypophloedal stroma, there arises in a simple cavity, a flat conidial hymenium which cuts off similar conidia. The outer layer of the stroma covering it is pushed off with the periderm of the twig, so that at maturity the stromata of the peri Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/comparative-morphology-of-fungi-fungi-sittx-mmmlr-fig-are-directly-connected-to-the-diatry-paceae-and-diaporthaceae-they-form-round-discoid-generally-amorphous-crustose-black-stromata-as-n-bulliardi-on-beech-branches-their-mycelia-in-cultures-have-branched-fibrous-conidiophores-with-heads-of-colorless-spores-in-the-interior-of-the-young-hypophloedal-stroma-there-arises-in-a-simple-cavity-a-flat-conidial-hymenium-which-cuts-off-similar-conidia-the-outer-layer-of-the-stroma-covering-it-is-pushed-off-with-the-periderm-of-the-twig-so-that-at-maturity-the-stromata-of-the-peri-image232665671.html
RMREERC7–. Comparative morphology of Fungi. Fungi. «*Sitt$x mmmlr. Fig. are directly connected to the Diatry- paceae and Diaporthaceae. They form round, discoid, generally amorphous, crustose black stromata, as N. Bulliardi on beech branches. Their mycelia in cultures have branched, fibrous conidiophores with heads of colorless spores. In the interior of the young hypophloedal stroma, there arises in a simple cavity, a flat conidial hymenium which cuts off similar conidia. The outer layer of the stroma covering it is pushed off with the periderm of the twig, so that at maturity the stromata of the peri
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 7i6 ADDITIONAL EXERCISES 1. Fruiting areas dark green. P. funiculosum (Fig. 255). 2. Fruiting areas mixed yellow and green. F. pinophUum. kh. Colonies not producing red color.. Fig. 257.—Penicillium biforme. a, b, g. Branching of conidial fructification! c, dt Ct f, conidiiferous cells and conidiospores; h, j, k, sketches of conidial fructifica" tions on potato agar; I, m, sketches of conidial fructifications on sugar gelatin; o, r> germination of conidiospores. (After Thorn.) 1 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-7i6-additional-exercises-1-fruiting-areas-dark-green-p-funiculosum-fig-255-2-fruiting-areas-mixed-yellow-and-green-f-pinophuum-kh-colonies-not-producing-red-color-fig-257penicillium-biforme-a-b-g-branching-of-conidial-fructification!-c-dt-ct-f-conidiiferous-cells-and-conidiospores-h-j-k-sketches-of-conidial-fructificaquot-tions-on-potato-agar-i-m-sketches-of-conidial-fructifications-on-sugar-gelatin-o-rgt-germination-of-conidiospores-after-thorn-1-image216457301.html
RMPG4DDW–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 7i6 ADDITIONAL EXERCISES 1. Fruiting areas dark green. P. funiculosum (Fig. 255). 2. Fruiting areas mixed yellow and green. F. pinophUum. kh. Colonies not producing red color.. Fig. 257.—Penicillium biforme. a, b, g. Branching of conidial fructification! c, dt Ct f, conidiiferous cells and conidiospores; h, j, k, sketches of conidial fructifica" tions on potato agar; I, m, sketches of conidial fructifications on sugar gelatin; o, r> germination of conidiospores. (After Thorn.) 1
. Fig. 83.—Bulgaria pclymorpha. i, fungus on trunk ; 2, section of same ; 3, spores ; 4, asci with spores. 3 and 4 highly mag. opportunity for so doing. Tulasne has also recorded the occurrence of conidial forms of fruit, and so has Brefeld. Biffen, R. H., Ann. Bot., 15, p. 119 (1901). Brefeld, O., Heft. 10, p. 301. Ludwig, Centralbl. fi'ir Bakt., 2, p. 521, 3, p. 633. Tulasne, Ann. Sci. Nat., Ser. 3, 20, p. 164 (1853); CarJ>ol., 3, p. 192 (1863). KEITHIA (Sacc.) Ascophore immersed in the substance of the host, splitting above by a few irregular teeth; asci containing four spores, which are Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-83bulgaria-pclymorpha-i-fungus-on-trunk-2-section-of-same-3-spores-4-asci-with-spores-3-and-4-highly-mag-opportunity-for-so-doing-tulasne-has-also-recorded-the-occurrence-of-conidial-forms-of-fruit-and-so-has-brefeld-biffen-r-h-ann-bot-15-p-119-1901-brefeld-o-heft-10-p-301-ludwig-centralbl-fiir-bakt-2-p-521-3-p-633-tulasne-ann-sci-nat-ser-3-20-p-164-1853-carjgtol-3-p-192-1863-keithia-sacc-ascophore-immersed-in-the-substance-of-the-host-splitting-above-by-a-few-irregular-teeth-asci-containing-four-spores-which-are-image179906392.html
RMMCKCC8–. Fig. 83.—Bulgaria pclymorpha. i, fungus on trunk ; 2, section of same ; 3, spores ; 4, asci with spores. 3 and 4 highly mag. opportunity for so doing. Tulasne has also recorded the occurrence of conidial forms of fruit, and so has Brefeld. Biffen, R. H., Ann. Bot., 15, p. 119 (1901). Brefeld, O., Heft. 10, p. 301. Ludwig, Centralbl. fi'ir Bakt., 2, p. 521, 3, p. 633. Tulasne, Ann. Sci. Nat., Ser. 3, 20, p. 164 (1853); CarJ>ol., 3, p. 192 (1863). KEITHIA (Sacc.) Ascophore immersed in the substance of the host, splitting above by a few irregular teeth; asci containing four spores, which are
. Comparative morphology of Fungi. Fungi. PEZIZALES 351 migrates to the ascogonium, which subsequently develops ascogenous hyphae (Baur, 1898). In Collema pulposum or a closely related species, a different behavior has been determined. Here the conidia, as in Ascobolus carbonarius, do not fall away but remain on the conidiophores. Hence the trichogyne grows, as in Ascobolus carbonarius, over the thallus surface toward the conidiophores and unites with them (Fig. 236). In these lichens the more migration of the conidial nucleus into the trichogyne has been demon- strated; the nuclear relationsh Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/comparative-morphology-of-fungi-fungi-pezizales-351-migrates-to-the-ascogonium-which-subsequently-develops-ascogenous-hyphae-baur-1898-in-collema-pulposum-or-a-closely-related-species-a-different-behavior-has-been-determined-here-the-conidia-as-in-ascobolus-carbonarius-do-not-fall-away-but-remain-on-the-conidiophores-hence-the-trichogyne-grows-as-in-ascobolus-carbonarius-over-the-thallus-surface-toward-the-conidiophores-and-unites-with-them-fig-236-in-these-lichens-the-more-migration-of-the-conidial-nucleus-into-the-trichogyne-has-been-demon-strated-the-nuclear-relationsh-image232674732.html
RMREF6YT–. Comparative morphology of Fungi. Fungi. PEZIZALES 351 migrates to the ascogonium, which subsequently develops ascogenous hyphae (Baur, 1898). In Collema pulposum or a closely related species, a different behavior has been determined. Here the conidia, as in Ascobolus carbonarius, do not fall away but remain on the conidiophores. Hence the trichogyne grows, as in Ascobolus carbonarius, over the thallus surface toward the conidiophores and unites with them (Fig. 236). In these lichens the more migration of the conidial nucleus into the trichogyne has been demon- strated; the nuclear relationsh
. The fungi which cause plant disease . Plant diseases; Fungi. Fig. 107.—Cenangium, habit sketch, asci and paraphyses. After Tulasne. Conidia (= Brunchorstia destuens Erikss.) in pyc- nidia which are partially embedded in the host, the smaller simple, the larger compound, 1-2 mm. in diam.; spores 30-40 x 3 n, tapering-rounded at each end, 2 to 5-septate. A second conidial phase (=Dothichiza ferruginosa Sacc.) has simple spores. C. vitesia occurs in conidial form as Fuckelia on Ribes. In many Dermatea Fries (p. 151) A genus of over sixty species some of them parasitic species conidia in pycnidi Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-fig-107cenangium-habit-sketch-asci-and-paraphyses-after-tulasne-conidia-=-brunchorstia-destuens-erikss-in-pyc-nidia-which-are-partially-embedded-in-the-host-the-smaller-simple-the-larger-compound-1-2-mm-in-diam-spores-30-40-x-3-n-tapering-rounded-at-each-end-2-to-5-septate-a-second-conidial-phase-=dothichiza-ferruginosa-sacc-has-simple-spores-c-vitesia-occurs-in-conidial-form-as-fuckelia-on-ribes-in-many-dermatea-fries-p-151-a-genus-of-over-sixty-species-some-of-them-parasitic-species-conidia-in-pycnidi-image216459815.html
RMPG4GKK–. The fungi which cause plant disease . Plant diseases; Fungi. Fig. 107.—Cenangium, habit sketch, asci and paraphyses. After Tulasne. Conidia (= Brunchorstia destuens Erikss.) in pyc- nidia which are partially embedded in the host, the smaller simple, the larger compound, 1-2 mm. in diam.; spores 30-40 x 3 n, tapering-rounded at each end, 2 to 5-septate. A second conidial phase (=Dothichiza ferruginosa Sacc.) has simple spores. C. vitesia occurs in conidial form as Fuckelia on Ribes. In many Dermatea Fries (p. 151) A genus of over sixty species some of them parasitic species conidia in pycnidi
. Fig. 73.—Peziza vesiculosa. Group of fungi, nat. size. mutual pressure, externally brownish and coarsely granular, disc pale brown, 3-7 cm. across ; asci long, cylindrical; spores elliptical, hyaline, smooth, 2 1-24 X 11-12 /x. The conidial form belongs to the form-genus Cephalo- sporium, pure white, sterile hyphae creeping,giving off numerous short lateral branches of about equal length, each tipped by a swollen head covered with elliptical, hyaline, continuous spores, 8-10x3-4 i- Common on rich soil, manure heaps, rotten leaves, etc. Brefeld, 0., Unters. Gessainmt. MykoL, 9 Heft, p. 333, Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-73peziza-vesiculosa-group-of-fungi-nat-size-mutual-pressure-externally-brownish-and-coarsely-granular-disc-pale-brown-3-7-cm-across-asci-long-cylindrical-spores-elliptical-hyaline-smooth-2-1-24-x-11-12-x-the-conidial-form-belongs-to-the-form-genus-cephalo-sporium-pure-white-sterile-hyphae-creepinggiving-off-numerous-short-lateral-branches-of-about-equal-length-each-tipped-by-a-swollen-head-covered-with-elliptical-hyaline-continuous-spores-8-10x3-4-i-common-on-rich-soil-manure-heaps-rotten-leaves-etc-brefeld-0-unters-gessainmt-mykol-9-heft-p-333-image179906421.html
RMMCKCD9–. Fig. 73.—Peziza vesiculosa. Group of fungi, nat. size. mutual pressure, externally brownish and coarsely granular, disc pale brown, 3-7 cm. across ; asci long, cylindrical; spores elliptical, hyaline, smooth, 2 1-24 X 11-12 /x. The conidial form belongs to the form-genus Cephalo- sporium, pure white, sterile hyphae creeping,giving off numerous short lateral branches of about equal length, each tipped by a swollen head covered with elliptical, hyaline, continuous spores, 8-10x3-4 i- Common on rich soil, manure heaps, rotten leaves, etc. Brefeld, 0., Unters. Gessainmt. MykoL, 9 Heft, p. 333,
. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. CYSTOPUS. 123 Cystopus (Albugo). The mycelium is branched and grows between the cells of living plants, obtaining its nourishment by means of haustoria. The conidial cushions rupture the epidermis of the host. The conidia or sporangia are smooth-coated, and are produced acropetally in chains on short stalks from which they fall off separately when ripe. The sporangia germinate and discharge. Fig. 33.—Cystopvs candid Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-plants-induced-by-cryptogamic-parasites-introduction-to-the-study-of-pathogenic-fungi-slime-fungi-bacteria-amp-algae-plant-diseases-parasitic-plants-fungi-cystopus-123-cystopus-albugo-the-mycelium-is-branched-and-grows-between-the-cells-of-living-plants-obtaining-its-nourishment-by-means-of-haustoria-the-conidial-cushions-rupture-the-epidermis-of-the-host-the-conidia-or-sporangia-are-smooth-coated-and-are-produced-acropetally-in-chains-on-short-stalks-from-which-they-fall-off-separately-when-ripe-the-sporangia-germinate-and-discharge-fig-33cystopvs-candid-image232030878.html
RMRDDWN2–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. CYSTOPUS. 123 Cystopus (Albugo). The mycelium is branched and grows between the cells of living plants, obtaining its nourishment by means of haustoria. The conidial cushions rupture the epidermis of the host. The conidia or sporangia are smooth-coated, and are produced acropetally in chains on short stalks from which they fall off separately when ripe. The sporangia germinate and discharge. Fig. 33.—Cystopvs candid
. Cultural studies of species of Penicillium. Penicillium -- Cultures and culture media; Fungi -- Cultures and culture media. Fig. 9.—Penicillium duclauxi Delacroix: a, b, conidial fructifications with young conidia smooth, from potato-agar plate culture, simpler types (X 900); c, d, e, conidial fructifications from potato-agar plate culture, more complex types (X 1,400); /, g, h,j, sketches of habit upon potato agar, showing the very short conidiophores arising from the substratum (X 140); k, ripe spores highly magnified to show delicate markings (X 900, apochromatic); J, m, n, germination of Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/cultural-studies-of-species-of-penicillium-penicillium-cultures-and-culture-media-fungi-cultures-and-culture-media-fig-9penicillium-duclauxi-delacroix-a-b-conidial-fructifications-with-young-conidia-smooth-from-potato-agar-plate-culture-simpler-types-x-900-c-d-e-conidial-fructifications-from-potato-agar-plate-culture-more-complex-types-x-1400-g-hj-sketches-of-habit-upon-potato-agar-showing-the-very-short-conidiophores-arising-from-the-substratum-x-140-k-ripe-spores-highly-magnified-to-show-delicate-markings-x-900-apochromatic-j-m-n-germination-of-image216318669.html
RMPFX4JN–. Cultural studies of species of Penicillium. Penicillium -- Cultures and culture media; Fungi -- Cultures and culture media. Fig. 9.—Penicillium duclauxi Delacroix: a, b, conidial fructifications with young conidia smooth, from potato-agar plate culture, simpler types (X 900); c, d, e, conidial fructifications from potato-agar plate culture, more complex types (X 1,400); /, g, h,j, sketches of habit upon potato agar, showing the very short conidiophores arising from the substratum (X 140); k, ripe spores highly magnified to show delicate markings (X 900, apochromatic); J, m, n, germination of
. l-"i(j. .— Thielavia basicola. i, diseased pea root; 2, portion of first conidial stage {Miloiuia) ; 2 X , free conidia of same ; 3, second conidial stage {Torula); 3X, a conidium of same breaking u|) into cells ; 4, ;iscospores ; 5, perilhecium on winter fruit; 6, ascus containing' 8 spores, from winter fruit. Fig. I nat. size; remainder highly mag. fungus was a true parasite, and although capable of existing on manure and dead i)lants as a saprophyte, recent observa- tions and experiments have proved that under certain condi- tions, more especially on badly drained or water-logged s Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/l-quotij-thielavia-basicola-i-diseased-pea-root-2-portion-of-first-conidial-stage-miloiuia-2-x-free-conidia-of-same-3-second-conidial-stage-torula-3x-a-conidium-of-same-breaking-u-into-cells-4-iscospores-5-perilhecium-on-winter-fruit-6-ascus-containing-8-spores-from-winter-fruit-fig-i-nat-size-remainder-highly-mag-fungus-was-a-true-parasite-and-although-capable-of-existing-on-manure-and-dead-ilants-as-a-saprophyte-recent-observa-tions-and-experiments-have-proved-that-under-certain-condi-tions-more-especially-on-badly-drained-or-water-logged-s-image180028854.html
RMMCW0HX–. l-"i(j. .— Thielavia basicola. i, diseased pea root; 2, portion of first conidial stage {Miloiuia) ; 2 X , free conidia of same ; 3, second conidial stage {Torula); 3X, a conidium of same breaking u|) into cells ; 4, ;iscospores ; 5, perilhecium on winter fruit; 6, ascus containing' 8 spores, from winter fruit. Fig. I nat. size; remainder highly mag. fungus was a true parasite, and although capable of existing on manure and dead i)lants as a saprophyte, recent observa- tions and experiments have proved that under certain condi- tions, more especially on badly drained or water-logged s
. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. THE MYCOGONE DISEASE OF MUSHROOMS AND ITS CONTROL. 7 cultures from inoculations made indiscriminately from the common and sclerodermalike forms. Further investigation, however, may demonstrate the occurrence of this small conidial form. Figure 2 illustrates the Mycogone stage of the disease. During the course of the present investigation many hundreds of cultures were made, both from infected material and by transfers from pure cul- tures of the fungus. With few exceptions, spores of Verticillium developed first and la Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/bulletin-of-the-us-department-of-agriculture-agriculture-agriculture-the-mycogone-disease-of-mushrooms-and-its-control-7-cultures-from-inoculations-made-indiscriminately-from-the-common-and-sclerodermalike-forms-further-investigation-however-may-demonstrate-the-occurrence-of-this-small-conidial-form-figure-2-illustrates-the-mycogone-stage-of-the-disease-during-the-course-of-the-present-investigation-many-hundreds-of-cultures-were-made-both-from-infected-material-and-by-transfers-from-pure-cul-tures-of-the-fungus-with-few-exceptions-spores-of-verticillium-developed-first-and-la-image233841777.html
RMRGCBG1–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. THE MYCOGONE DISEASE OF MUSHROOMS AND ITS CONTROL. 7 cultures from inoculations made indiscriminately from the common and sclerodermalike forms. Further investigation, however, may demonstrate the occurrence of this small conidial form. Figure 2 illustrates the Mycogone stage of the disease. During the course of the present investigation many hundreds of cultures were made, both from infected material and by transfers from pure cul- tures of the fungus. With few exceptions, spores of Verticillium developed first and la
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 269 crowded, simple, hyaline; conidia oblong to elliptic, straight or curved, basally pointed, 10-20 x 5-7 fi. This was first described in conidial form as a Glceosporium by ' Atkinson ^^ on privet as cause of cankers. The fungus was isolated and grown in pure culture. Later perithecia were obtained in the pure cultures.^*'' G. piperata (E. & E.) S. & S. Perithecia cespitose, thinly membranous, dark-brown, pyriform, hairy; asci ciavate; spores slightly curved, elliptic, 12-18 x 4-6 n.. Fi Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-269-crowded-simple-hyaline-conidia-oblong-to-elliptic-straight-or-curved-basally-pointed-10-20-x-5-7-fi-this-was-first-described-in-conidial-form-as-a-glceosporium-by-atkinson-on-privet-as-cause-of-cankers-the-fungus-was-isolated-and-grown-in-pure-culture-later-perithecia-were-obtained-in-the-pure-cultures-g-piperata-e-amp-e-s-amp-s-perithecia-cespitose-thinly-membranous-dark-brown-pyriform-hairy-asci-ciavate-spores-slightly-curved-elliptic-12-18-x-4-6-n-fi-image216451735.html
RMPG46B3–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 269 crowded, simple, hyaline; conidia oblong to elliptic, straight or curved, basally pointed, 10-20 x 5-7 fi. This was first described in conidial form as a Glceosporium by ' Atkinson ^^ on privet as cause of cankers. The fungus was isolated and grown in pure culture. Later perithecia were obtained in the pure cultures.^*'' G. piperata (E. & E.) S. & S. Perithecia cespitose, thinly membranous, dark-brown, pyriform, hairy; asci ciavate; spores slightly curved, elliptic, 12-18 x 4-6 n.. Fi
. Fig. 300.—a fruit from Fig. 299 (enlarged). A, Two pustules still further enlarged. B, Pustules before and after rupture of the epidermis. C, Isolated conidia. (v. Tubeuf del.) C. filipendulae Tliiini. occurs on leaves of Spiraea Filipendula. C. ficariae Berk. On leaves of Ranunculus Ficaria. (Britain.) C. viridis E. et E., and C. minus E. et E. On leaves of Fraxinus ciridis in the United States. C. cercosporoides E. et E. On living leaves of tulip-tree. C. saccharinum E. et E. On living leaves of Acer saccharinum in the United States. Cryptosporium. Conidial cushions shaped like pycnidia. C Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fig-300a-fruit-from-fig-299-enlarged-a-two-pustules-still-further-enlarged-b-pustules-before-and-after-rupture-of-the-epidermis-c-isolated-conidia-v-tubeuf-del-c-filipendulae-tliiini-occurs-on-leaves-of-spiraea-filipendula-c-ficariae-berk-on-leaves-of-ranunculus-ficaria-britain-c-viridis-e-et-e-and-c-minus-e-et-e-on-leaves-of-fraxinus-ciridis-in-the-united-states-c-cercosporoides-e-et-e-on-living-leaves-of-tulip-tree-c-saccharinum-e-et-e-on-living-leaves-of-acer-saccharinum-in-the-united-states-cryptosporium-conidial-cushions-shaped-like-pycnidia-c-image179901559.html
RMMCK67K–. Fig. 300.—a fruit from Fig. 299 (enlarged). A, Two pustules still further enlarged. B, Pustules before and after rupture of the epidermis. C, Isolated conidia. (v. Tubeuf del.) C. filipendulae Tliiini. occurs on leaves of Spiraea Filipendula. C. ficariae Berk. On leaves of Ranunculus Ficaria. (Britain.) C. viridis E. et E., and C. minus E. et E. On leaves of Fraxinus ciridis in the United States. C. cercosporoides E. et E. On living leaves of tulip-tree. C. saccharinum E. et E. On living leaves of Acer saccharinum in the United States. Cryptosporium. Conidial cushions shaped like pycnidia. C
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. i6o MYCOLOGY or in the substratum, and are mostly spheric. A wall (peridium) is present inclosing the clustered eight-spored asci which arise from the interior basal part of the perithecium. The perithecium opens by an apical mouth or pore and is either isolated or imbedded in a stroma which takes manifold forms. The formation of conidiophores. and conidiospores varies in the different families and genera. Sometimes a distinct conidial layer is formed; at other times the conidiospores a Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-i6o-mycology-or-in-the-substratum-and-are-mostly-spheric-a-wall-peridium-is-present-inclosing-the-clustered-eight-spored-asci-which-arise-from-the-interior-basal-part-of-the-perithecium-the-perithecium-opens-by-an-apical-mouth-or-pore-and-is-either-isolated-or-imbedded-in-a-stroma-which-takes-manifold-forms-the-formation-of-conidiophores-and-conidiospores-varies-in-the-different-families-and-genera-sometimes-a-distinct-conidial-layer-is-formed-at-other-times-the-conidiospores-a-image232044928.html
RMRDEFJT–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. i6o MYCOLOGY or in the substratum, and are mostly spheric. A wall (peridium) is present inclosing the clustered eight-spored asci which arise from the interior basal part of the perithecium. The perithecium opens by an apical mouth or pore and is either isolated or imbedded in a stroma which takes manifold forms. The formation of conidiophores. and conidiospores varies in the different families and genera. Sometimes a distinct conidial layer is formed; at other times the conidiospores a
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. Fig. 250.—Penicilliunt Dudauxii. a, b, Conidial fructifications with young smooth conidiospores; c, d, e, conidial fructifications from potato-agar plate culture, more complex types; /, g, h, j, sketches of habit upon potato agar; k, ripe spores highly magnified to show delicate markings; I, m, n, germination of spores; si, coremium. (After Thorn.). Fig. 251.—Penicillium chrysogenum: a, b, c, d, e, branching of conidial fructifica- tion from gelatin plates; /, g, h, j, I, m, sketches of Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-fig-250penicilliunt-dudauxii-a-b-conidial-fructifications-with-young-smooth-conidiospores-c-d-e-conidial-fructifications-from-potato-agar-plate-culture-more-complex-types-g-h-j-sketches-of-habit-upon-potato-agar-k-ripe-spores-highly-magnified-to-show-delicate-markings-i-m-n-germination-of-spores-si-coremium-after-thorn-fig-251penicillium-chrysogenum-a-b-c-d-e-branching-of-conidial-fructifica-tion-from-gelatin-plates-g-h-j-i-m-sketches-of-image216457353.html
RMPG4DFN–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. Fig. 250.—Penicilliunt Dudauxii. a, b, Conidial fructifications with young smooth conidiospores; c, d, e, conidial fructifications from potato-agar plate culture, more complex types; /, g, h, j, sketches of habit upon potato agar; k, ripe spores highly magnified to show delicate markings; I, m, n, germination of spores; si, coremium. (After Thorn.). Fig. 251.—Penicillium chrysogenum: a, b, c, d, e, branching of conidial fructifica- tion from gelatin plates; /, g, h, j, I, m, sketches of
. Fi(i. :>:;. â i//..i.-yx-.i c.'/i./i".',- ..n i.l.n.t.-- ..i t../..-.. â â â ,,a.-iâ,i.'. Hit.- (unuu.s haa caused distortion ami thii'kuiiing; tlie white poivellanous conidial cushionH shew uji distinctly â¢â¢} the dark background, (v. Tu1>euf jiliot.) swarming spores with two uiUH^ual lateral cilia. The egg-cells, produced .singly in each oog(jnium, are fertilized I'V an antheridium. The thick-walled oospores remain enclosed in the intercelhUar spaces of the host-tissue, and on germinating in sj>ring di.^chargc swarming spores. Cystopus candidus (I'tis.) I.<v. While b'u-i Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fii-gt-ii-yx-i-ciiquot-n-ilnt-i-t-a-ii-hit-unuus-haa-caused-distortion-ami-thiikuiiing-tlie-white-poivellanous-conidial-cushionh-shew-uji-distinctly-the-dark-background-v-tu1gteuf-jiliot-swarming-spores-with-two-uiuhual-lateral-cilia-the-egg-cells-produced-singly-in-each-oogjnium-are-fertilized-iv-an-antheridium-the-thick-walled-oospores-remain-enclosed-in-the-intercelhuar-spaces-of-the-host-tissue-and-on-germinating-in-sjgtring-dichargc-swarming-spores-cystopus-candidus-itis-iltv-while-bu-i-image179901159.html
RMMCK5NB–. Fi(i. :>:;. â i//..i.-yx-.i c.'/i./i".',- ..n i.l.n.t.-- ..i t../..-.. â â â ,,a.-iâ,i.'. Hit.- (unuu.s haa caused distortion ami thii'kuiiing; tlie white poivellanous conidial cushionH shew uji distinctly â¢â¢} the dark background, (v. Tu1>euf jiliot.) swarming spores with two uiUH^ual lateral cilia. The egg-cells, produced .singly in each oog(jnium, are fertilized I'V an antheridium. The thick-walled oospores remain enclosed in the intercelhUar spaces of the host-tissue, and on germinating in sj>ring di.^chargc swarming spores. Cystopus candidus (I'tis.) I.<v. While b'u-i
. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. CYSTOPUS. 125 Besides conidia, spherical oospores may also be present; these are generally produced on the stems of the host-plant, but also on flower-stalks and ovary-walls. The spherical conidia arise in simple chains on short coni- diophores, and are loosely connected by tiny intermediate cells. The conidial cushions rupture the epidermis and the ripe conidia fall off to produce biciliate swarming cells (Fig. 34) Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/diseases-of-plants-induced-by-cryptogamic-parasites-introduction-to-the-study-of-pathogenic-fungi-slime-fungi-bacteria-amp-algae-plant-diseases-parasitic-plants-fungi-cystopus-125-besides-conidia-spherical-oospores-may-also-be-present-these-are-generally-produced-on-the-stems-of-the-host-plant-but-also-on-flower-stalks-and-ovary-walls-the-spherical-conidia-arise-in-simple-chains-on-short-coni-diophores-and-are-loosely-connected-by-tiny-intermediate-cells-the-conidial-cushions-rupture-the-epidermis-and-the-ripe-conidia-fall-off-to-produce-biciliate-swarming-cells-fig-34-image232030856.html
RMRDDWM8–. Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae . Plant diseases; Parasitic plants; Fungi. CYSTOPUS. 125 Besides conidia, spherical oospores may also be present; these are generally produced on the stems of the host-plant, but also on flower-stalks and ovary-walls. The spherical conidia arise in simple chains on short coni- diophores, and are loosely connected by tiny intermediate cells. The conidial cushions rupture the epidermis and the ripe conidia fall off to produce biciliate swarming cells (Fig. 34)
. The fungi which cause plant disease . Plant diseases; Fungi. 146 THE FUNGI WHICH CAUSE PLANT DISEASE orange-red with a pale margin; asci 109 x 8-9.5 fi; spores 19-20 x 6.5-8.5 |i, hyaline. Hymenoscypha Fries (p. 136) This genus of over two hundred species is mainly saprophjrtic, one species only in its conidial stage being parasitic. Ascoma sessile or short-stipitate, usually smooth; asci cylindric to globoid, 8-spored; spores elliptic, blunt to pointed, hyaline; paraphyses filamentose, apically enlarged, hyaline. H. tumulenta P. & D." in its conidial stage as Endoconidium, affects Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-146-the-fungi-which-cause-plant-disease-orange-red-with-a-pale-margin-asci-109-x-8-95-fi-spores-19-20-x-65-85-i-hyaline-hymenoscypha-fries-p-136-this-genus-of-over-two-hundred-species-is-mainly-saprophjrtic-one-species-only-in-its-conidial-stage-being-parasitic-ascoma-sessile-or-short-stipitate-usually-smooth-asci-cylindric-to-globoid-8-spored-spores-elliptic-blunt-to-pointed-hyaline-paraphyses-filamentose-apically-enlarged-hyaline-h-tumulenta-p-amp-dquot-in-its-conidial-stage-as-endoconidium-affects-image216459839.html
RMPG4GMF–. The fungi which cause plant disease . Plant diseases; Fungi. 146 THE FUNGI WHICH CAUSE PLANT DISEASE orange-red with a pale margin; asci 109 x 8-9.5 fi; spores 19-20 x 6.5-8.5 |i, hyaline. Hymenoscypha Fries (p. 136) This genus of over two hundred species is mainly saprophjrtic, one species only in its conidial stage being parasitic. Ascoma sessile or short-stipitate, usually smooth; asci cylindric to globoid, 8-spored; spores elliptic, blunt to pointed, hyaline; paraphyses filamentose, apically enlarged, hyaline. H. tumulenta P. & D." in its conidial stage as Endoconidium, affects
. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 242 FUNGOUS DISEASES OF PLANTS hyphae as yeast-like conidial cells. The cushion-like masses also produce conidia in quantity. Mayr described certain macroconidia borne upon small, white stromata preceding the usual cushions on the canes ; but Durand was unable to detect such spores.. FIG. IO3. PLEONECTRrA BEROLINENSIS: A CLUSTER OF PERITHECIA (Photograph by E. J. Durand) Control. It would seem that the most practical method of control consists in eradicating diseased vines as they Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fungous-diseases-of-plants-with-chapters-on-physiology-culture-methods-and-technique-fungi-in-agriculture-242-fungous-diseases-of-plants-hyphae-as-yeast-like-conidial-cells-the-cushion-like-masses-also-produce-conidia-in-quantity-mayr-described-certain-macroconidia-borne-upon-small-white-stromata-preceding-the-usual-cushions-on-the-canes-but-durand-was-unable-to-detect-such-spores-fig-io3-pleonectrra-berolinensis-a-cluster-of-perithecia-photograph-by-e-j-durand-control-it-would-seem-that-the-most-practical-method-of-control-consists-in-eradicating-diseased-vines-as-they-image232132420.html
RMRDJF7G–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 242 FUNGOUS DISEASES OF PLANTS hyphae as yeast-like conidial cells. The cushion-like masses also produce conidia in quantity. Mayr described certain macroconidia borne upon small, white stromata preceding the usual cushions on the canes ; but Durand was unable to detect such spores.. FIG. IO3. PLEONECTRrA BEROLINENSIS: A CLUSTER OF PERITHECIA (Photograph by E. J. Durand) Control. It would seem that the most practical method of control consists in eradicating diseased vines as they
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. APPENDIX Vn 717 i. Surface hyphx woven floccose, course of hj^hae not traceable. 1. Gray-green, long conidiopbores, no odor. P. Camemberti (Fig. 245). 2. Gray-green, shorter conidiopbores, strong odor. P. biforme (Fig. 257).. Fig. 258.—Penicillium commune, u, b, c, d, e, Conidial fructification with conidio- spores; /, g, ft, j, k, I, sketches of fructifications in various stages. {After Thorn.) a. Surface growth at margin simple conidiophores, in older parts both floccose hyphae and co Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-appendix-vn-717-i-surface-hyphx-woven-floccose-course-of-hjhae-not-traceable-1-gray-green-long-conidiopbores-no-odor-p-camemberti-fig-245-2-gray-green-shorter-conidiopbores-strong-odor-p-biforme-fig-257-fig-258penicillium-commune-u-b-c-d-e-conidial-fructification-with-conidio-spores-g-ft-j-k-i-sketches-of-fructifications-in-various-stages-after-thorn-a-surface-growth-at-margin-simple-conidiophores-in-older-parts-both-floccose-hyphae-and-co-image216457289.html
RMPG4DDD–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. APPENDIX Vn 717 i. Surface hyphx woven floccose, course of hj^hae not traceable. 1. Gray-green, long conidiopbores, no odor. P. Camemberti (Fig. 245). 2. Gray-green, shorter conidiopbores, strong odor. P. biforme (Fig. 257).. Fig. 258.—Penicillium commune, u, b, c, d, e, Conidial fructification with conidio- spores; /, g, ft, j, k, I, sketches of fructifications in various stages. {After Thorn.) a. Surface growth at margin simple conidiophores, in older parts both floccose hyphae and co
. Botany of the living plant. Botany; Plants. Fig. 323. a, b = conidial stage of Claviceps, developed in the flower of Rye. c = sclerotia replacing the grains of the ear of Rye. d, e = germination of the sclerotia in spring. See Text. (After Tulasne.) (From Marshall Ward.) The fruit-bodies are very complex in some of the larger saprophytic Ascomycetes. An extreme case is seen in the edible Morel (Morchella esculenta), in which the external hymenial surface is convoluted and thereby accommodates a vast number of asci (Fig. 324). It is possible to refer this to an elaboration of the Discomycetou Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/botany-of-the-living-plant-botany-plants-fig-323-a-b-=-conidial-stage-of-claviceps-developed-in-the-flower-of-rye-c-=-sclerotia-replacing-the-grains-of-the-ear-of-rye-d-e-=-germination-of-the-sclerotia-in-spring-see-text-after-tulasne-from-marshall-ward-the-fruit-bodies-are-very-complex-in-some-of-the-larger-saprophytic-ascomycetes-an-extreme-case-is-seen-in-the-edible-morel-morchella-esculenta-in-which-the-external-hymenial-surface-is-convoluted-and-thereby-accommodates-a-vast-number-of-asci-fig-324-it-is-possible-to-refer-this-to-an-elaboration-of-the-discomycetou-image234359898.html
RMRH80CA–. Botany of the living plant. Botany; Plants. Fig. 323. a, b = conidial stage of Claviceps, developed in the flower of Rye. c = sclerotia replacing the grains of the ear of Rye. d, e = germination of the sclerotia in spring. See Text. (After Tulasne.) (From Marshall Ward.) The fruit-bodies are very complex in some of the larger saprophytic Ascomycetes. An extreme case is seen in the edible Morel (Morchella esculenta), in which the external hymenial surface is convoluted and thereby accommodates a vast number of asci (Fig. 324). It is possible to refer this to an elaboration of the Discomycetou
. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 261 possesses an Alternaria conidial form. Following Diedicke, the forms given below would be recognized. P. bromi Died. Perithecia brown, hairy; asci 189-288 x 34-59 n, saccate, thin- walled; spores 2-seriate, golden-brown, 4-celled, 48-83 x 19-33 n. Conidia (=Helminthosporium bromi) on brownish spots, 108- 150 X 13-20 li, 5 to 7-celled, dark colored. On Bromus. P. gramineum Died. Conidia (=Helminthosporium gramineum); conidiophores short, subflexuose, light-brown; conidia solitary, elongate-cyl Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-fungi-which-cause-plant-disease-plant-diseases-fungi-the-fungi-which-cause-plant-disease-261-possesses-an-alternaria-conidial-form-following-diedicke-the-forms-given-below-would-be-recognized-p-bromi-died-perithecia-brown-hairy-asci-189-288-x-34-59-n-saccate-thin-walled-spores-2-seriate-golden-brown-4-celled-48-83-x-19-33-n-conidia-=helminthosporium-bromi-on-brownish-spots-108-150-x-13-20-li-5-to-7-celled-dark-colored-on-bromus-p-gramineum-died-conidia-=helminthosporium-gramineum-conidiophores-short-subflexuose-light-brown-conidia-solitary-elongate-cyl-image216451769.html
RMPG46C9–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 261 possesses an Alternaria conidial form. Following Diedicke, the forms given below would be recognized. P. bromi Died. Perithecia brown, hairy; asci 189-288 x 34-59 n, saccate, thin- walled; spores 2-seriate, golden-brown, 4-celled, 48-83 x 19-33 n. Conidia (=Helminthosporium bromi) on brownish spots, 108- 150 X 13-20 li, 5 to 7-celled, dark colored. On Bromus. P. gramineum Died. Conidia (=Helminthosporium gramineum); conidiophores short, subflexuose, light-brown; conidia solitary, elongate-cyl
. Comparative morphology of Fungi. Fungi. Fig. 215.—Sclerotinia sclerotiorum. 1. Conidial stage. Botrytis cinerea. 2. Appressorium. 3. Diagrammatic cross section of apothecium. (After R. E. Smith, 1900.) Onobrychis sativa, clover, etc. During the summer, they kill the infected organs, developing in them the sclerotia in which they overwinter. Their conidia arise singly on characteristically formed conidiophores (Fig. 215, 1) and hence, in contrast to those of Stromatinia, are placed in Botrytis rather than in Monilia. As the cultural determination of the perfect form is rarely possible, one ge Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/comparative-morphology-of-fungi-fungi-fig-215sclerotinia-sclerotiorum-1-conidial-stage-botrytis-cinerea-2-appressorium-3-diagrammatic-cross-section-of-apothecium-after-r-e-smith-1900-onobrychis-sativa-clover-etc-during-the-summer-they-kill-the-infected-organs-developing-in-them-the-sclerotia-in-which-they-overwinter-their-conidia-arise-singly-on-characteristically-formed-conidiophores-fig-215-1-and-hence-in-contrast-to-those-of-stromatinia-are-placed-in-botrytis-rather-than-in-monilia-as-the-cultural-determination-of-the-perfect-form-is-rarely-possible-one-ge-image232675032.html
RMREF7AG–. Comparative morphology of Fungi. Fungi. Fig. 215.—Sclerotinia sclerotiorum. 1. Conidial stage. Botrytis cinerea. 2. Appressorium. 3. Diagrammatic cross section of apothecium. (After R. E. Smith, 1900.) Onobrychis sativa, clover, etc. During the summer, they kill the infected organs, developing in them the sclerotia in which they overwinter. Their conidia arise singly on characteristically formed conidiophores (Fig. 215, 1) and hence, in contrast to those of Stromatinia, are placed in Botrytis rather than in Monilia. As the cultural determination of the perfect form is rarely possible, one ge
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 7i8 ADDITIONAL EXERCISES. Fig. 259.—Penicillium spinulosum. a, b, Conidial fructifications, consisting of single verticils of conidiiferous cells; c, conidiiferous cell with chain of conidiospores (smooth); d, f. ripe echinulate conidiospores; c, swollen end of conidiophore; g, h, sketches of conidial fructifications. {Afler Thorn.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of t Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-text-book-of-mycology-and-plant-pathology-plant-diseases-fungi-in-agriculture-plant-diseases-fungi-7i8-additional-exercises-fig-259penicillium-spinulosum-a-b-conidial-fructifications-consisting-of-single-verticils-of-conidiiferous-cells-c-conidiiferous-cell-with-chain-of-conidiospores-smooth-d-f-ripe-echinulate-conidiospores-c-swollen-end-of-conidiophore-g-h-sketches-of-conidial-fructifications-afler-thorn-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-t-image232051587.html
RMRDET4K–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 7i8 ADDITIONAL EXERCISES. Fig. 259.—Penicillium spinulosum. a, b, Conidial fructifications, consisting of single verticils of conidiiferous cells; c, conidiiferous cell with chain of conidiospores (smooth); d, f. ripe echinulate conidiospores; c, swollen end of conidiophore; g, h, sketches of conidial fructifications. {Afler Thorn.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of t
. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. FUNGI IMPERFECT! 337 be seen, therefore, that many symptoms of the disease as described in California are more or less identical with Clasterosporium car- pophilum (Lev.) Aderh., as described by McAlpine1 in Australia. It also occurs in Algeria.2 According to Smith, the fungus could not be mistaken for a simple hyphomycete, as shown by the ag- gregate conidiophore production (Fig. 160). The conidial stage of the fungus is produced both on leaves and shoots, the pustules appearing a Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/fungous-diseases-of-plants-with-chapters-on-physiology-culture-methods-and-technique-fungi-in-agriculture-fungi-imperfect!-337-be-seen-therefore-that-many-symptoms-of-the-disease-as-described-in-california-are-more-or-less-identical-with-clasterosporium-car-pophilum-lev-aderh-as-described-by-mcalpine1-in-australia-it-also-occurs-in-algeria2-according-to-smith-the-fungus-could-not-be-mistaken-for-a-simple-hyphomycete-as-shown-by-the-ag-gregate-conidiophore-production-fig-160-the-conidial-stage-of-the-fungus-is-produced-both-on-leaves-and-shoots-the-pustules-appearing-a-image232125391.html
RMRDJ68F–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. FUNGI IMPERFECT! 337 be seen, therefore, that many symptoms of the disease as described in California are more or less identical with Clasterosporium car- pophilum (Lev.) Aderh., as described by McAlpine1 in Australia. It also occurs in Algeria.2 According to Smith, the fungus could not be mistaken for a simple hyphomycete, as shown by the ag- gregate conidiophore production (Fig. 160). The conidial stage of the fungus is produced both on leaves and shoots, the pustules appearing a
. Botany for high schools and colleges. Botany. 390 BOTANY. so on. The contact of an infected head of rye with an unin- fected one is sufficient to communicate the fungus to the latter, and doubtless the conidia are also freely carried by the winds, and, to a certain extent, by insects. It appears that, in some cases at least, the germinating co- nidia produce, first, short hyphse, which bear a few small spores {sporidia, D, Fig. 198, x), which themselves germi- nate, and then pro- duce the sphacelia; it is doubtful, however, whether this always takes place. 384. â After the conidial stage, th Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/botany-for-high-schools-and-colleges-botany-390-botany-so-on-the-contact-of-an-infected-head-of-rye-with-an-unin-fected-one-is-sufficient-to-communicate-the-fungus-to-the-latter-and-doubtless-the-conidia-are-also-freely-carried-by-the-winds-and-to-a-certain-extent-by-insects-it-appears-that-in-some-cases-at-least-the-germinating-co-nidia-produce-first-short-hyphse-which-bear-a-few-small-spores-sporidia-d-fig-198-x-which-themselves-germi-nate-and-then-pro-duce-the-sphacelia-it-is-doubtful-however-whether-this-always-takes-place-384-after-the-conidial-stage-th-image232282008.html
RMRDWA20–. Botany for high schools and colleges. Botany. 390 BOTANY. so on. The contact of an infected head of rye with an unin- fected one is sufficient to communicate the fungus to the latter, and doubtless the conidia are also freely carried by the winds, and, to a certain extent, by insects. It appears that, in some cases at least, the germinating co- nidia produce, first, short hyphse, which bear a few small spores {sporidia, D, Fig. 198, x), which themselves germi- nate, and then pro- duce the sphacelia; it is doubtful, however, whether this always takes place. 384. â After the conidial stage, th
. Comparative morphology of Fungi. Fungi. HYPOCREALES 237 forms. Weese (1914, et seq.) attempts to create developmental series according to the structure of the perithecial wall. Consequently the different genera are differently defined by different authors; all these attempts, however, have not yet afforded a complete system. The most important plant pathogens in the genus are: Nectria cinnabarina, a wound parasite in most of our frondose trees and shrubs, causing canker and dieback of the twigs and forming on the dead twigs striking red conidial fructifications, Tubercularia vulgaris (Fig. 1 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/comparative-morphology-of-fungi-fungi-hypocreales-237-forms-weese-1914-et-seq-attempts-to-create-developmental-series-according-to-the-structure-of-the-perithecial-wall-consequently-the-different-genera-are-differently-defined-by-different-authors-all-these-attempts-however-have-not-yet-afforded-a-complete-system-the-most-important-plant-pathogens-in-the-genus-are-nectria-cinnabarina-a-wound-parasite-in-most-of-our-frondose-trees-and-shrubs-causing-canker-and-dieback-of-the-twigs-and-forming-on-the-dead-twigs-striking-red-conidial-fructifications-tubercularia-vulgaris-fig-1-image232675618.html
RMREF83E–. Comparative morphology of Fungi. Fungi. HYPOCREALES 237 forms. Weese (1914, et seq.) attempts to create developmental series according to the structure of the perithecial wall. Consequently the different genera are differently defined by different authors; all these attempts, however, have not yet afforded a complete system. The most important plant pathogens in the genus are: Nectria cinnabarina, a wound parasite in most of our frondose trees and shrubs, causing canker and dieback of the twigs and forming on the dead twigs striking red conidial fructifications, Tubercularia vulgaris (Fig. 1
. The cereals in America. ENEMIES OF WHEAT 97. Known remedy. A great deal of study has been given to the discovery or production of rust proof varieties of wheat, with as yet little if any success. 147. Wheat Scab.—The scab fungus is believed to be the conidial stage of a fungus which in its ascigerous stage is called Gibberella saubinettii (Mont) Sacc. The fungus attacks the glumes, causing dead sections of the spike, whose brown color is in striking contrast with the green healthy glumes. At times the whole spike is destroyed. It may be identified by the pink incrustations at the base of the Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-cereals-in-america-enemies-of-wheat-97-known-remedy-a-great-deal-of-study-has-been-given-to-the-discovery-or-production-of-rust-proof-varieties-of-wheat-with-as-yet-little-if-any-success-147-wheat-scabthe-scab-fungus-is-believed-to-be-the-conidial-stage-of-a-fungus-which-in-its-ascigerous-stage-is-called-gibberella-saubinettii-mont-sacc-the-fungus-attacks-the-glumes-causing-dead-sections-of-the-spike-whose-brown-color-is-in-striking-contrast-with-the-green-healthy-glumes-at-times-the-whole-spike-is-destroyed-it-may-be-identified-by-the-pink-incrustations-at-the-base-of-the-image235090648.html
RMRJD8EG–. The cereals in America. ENEMIES OF WHEAT 97. Known remedy. A great deal of study has been given to the discovery or production of rust proof varieties of wheat, with as yet little if any success. 147. Wheat Scab.—The scab fungus is believed to be the conidial stage of a fungus which in its ascigerous stage is called Gibberella saubinettii (Mont) Sacc. The fungus attacks the glumes, causing dead sections of the spike, whose brown color is in striking contrast with the green healthy glumes. At times the whole spike is destroyed. It may be identified by the pink incrustations at the base of the
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