RF2PGTRR5–Yellowed dried leaves of pepper grown in a pot in the apartment. Growing vegetables at home, garden on the windowsill, lack of light and trace
RF2C5NTXC–Epoxiconazole pesticide molecule. Stylized skeletal formula (chemical structure): Atoms are shown as color-coded circles: hydrogen (hidden), carbon (grey), oxygen (red), nitrogen (blue), chlorine (green), fluorine (cyan).
RF2R5AK85–Soybean leaf septoria close-up. A hand holds a soybean leaf to the light
RF2GD70W8–Epoxiconazole pesticide molecule. 3D rendering.
RM2ANAK90–A text-book of mycology and plant pathology . Fig. 105.—Septoria leaf spot disease of celery, or celery blight. {After Coons, G. N.and Levin, Ezra, Spec. Bull. 77, Mich. Agric. Coll. Exper. Stat., March. 1916. SPORES,. Fig. 106.—Section through leaf spot of celery blight (Septoria) showing hyphae)in leaf tissue and pycnidium with exuding pycnospores. (After Coons, G. H., andLevin, Ezra, Spec. Bull. 77, Mich. Agric. Coll. Exper. Stat., March, 1916.) 264 MYCOLOGY eludes the fungi which cause the leaf spot of the pear, Septoria pyricola,the late blight of the celery S. petroselini (Figs. 105 and
RMPG0GH8–. Diseases of greenhouse crops and their control . Vegetables; Plant diseases; Plant diseases. Fig. i8. Celery Disease. a. Septoria leaf spot, b. cross section through leaf to show relationship of fungus to its host, c. spores of Septoria petroselini {a-c after Coons),. 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.. Taubenhaus, Jacob Joseph, 1884-1937. New York : E. P. Dutton
RMMCKAXC–. Fig. 95. — Celery leaf infected with Septoria. After Coons. blanched petioles. In extreme cases wilting of the leaves and destruction of the plant follows. After the celery is put in storage the disease may still progress and do great damage, rotting off the leaves and forcing early marketing. Late- blight is often found in the seed bed, and is probably carried by the seed, since the pycnidia are abundant upon the seed- ing stalks and fruit. Seeds should be disinfected and the seed bed rotated. If the disease has been troublesome in preceding years, the
RMT1HF24–Diseases of wheat, oats, barley, Diseases of wheat, oats, barley, and rye diseasesofwheato48boew Year: 1960 BOEWE: DISEASES OF WHEAT, OATS, BARLEY, AND RYE 139 importance in the state of Illinois probably has been under- estimated. The appearance, life history, and control of the take-all fun- gus on rye are similar to those of the take-all fungus on wheat, page 52. SEPTORIA LEAF BLOTCH Septoria secalis Septoria leaf blotch of rye is very similar in appearance to lesions produced by Septoria on the other cereals and on wild grasses. It has been collected in 11 counties in the southern half o
RF2NRP91W–Young barley plants with symptoms of fungal disease, infection on leaves, chlorosis and dark spots.
RMB02JJG–Dianthus leaf spot Septoria dianthi infection on stem and leaves of pink Dianthus spp
RF2PGFAJW–Yellowed dried leaves of pepper grown in a pot in the apartment. Growing vegetables at home, garden on the windowsill, lack of light and trace
RMC14HMJ–Dianthus leaf spot (Septoria dianthi) infection on stem and leaves of pink (Dianthus spp.)
RF2RAHP3N–Soybean leaf septoria close-up. A hand holds a soybean leaf to the light
RMDDC3JE–Lavender leaf spot, Septoria lavandulae, spotting on lavender leaves and stem
RF2C5NTR9–Epoxiconazole pesticide molecule. Stylized skeletal formula (chemical structure): Atoms are shown as color-coded circles: hydrogen (hidden), carbon (grey), oxygen (red), nitrogen (blue), chlorine (green), fluorine (cyan).
RM2AXJWH3–Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . an extendedaccount of grape anthracnose. Since then it has beenfrequently treated of in The Journal of Mycology, andin experiment station bulletins and reports. FUNGI AFFECTING THE CURRANT AND GOOSEBERRY The Leaf=spot Disease Septoria ribis and Cercospora angulata The foliage of currants and gooseberries is oftenattacked early in summer by two or more species offungi, which produce small brownish spots, at first oftenno larger than a pin head, but gradually
RFPDYGFJ–Epoxiconazole pesticide molecule. 3D rendering. Atoms are represented as spheres with conventional colour-coding: hydrogen (white), carbon (black), oxygen (red), nitrogen (blue), chlorine (green), fluorine (light green).
RMPG4EX9–. Diseases of economic plants . Plant diseases. 152 DISEASES OF ECONOMIC PLANTS toms to the knot, may be distinguished from it by the absence of wartlike growths upon the surface of affected twigs. As an effective measure all diseased canes may be cut out and burned, cutting well below the diseased area.. FlQ. 64. — Currant leaf spot (septoriose). After Stewart and Eustace. Septoriose 1 [ (Septoria Ribis Desm.) The leaf spots Cercosporose J [ {Cercospora angulata Wint.) The " currant leaf spot" is a term applied to a peculiar spotting of the leaves of both currants and gooseberries.
RMMCKA6C–. Fig. 95. — Celery leaf infected with Septoria. After Coons. blanched petioles. In extreme cases wilting of the leaves and destruction of the plant follows. After the celery is put in storage the disease may still progress and do great damage, rotting off the leaves and forcing early marketing. Late- blight is often found in the seed bed, and is probably carried by the seed, since the pycnidia are abundant upon the seed- ing stalks and fruit. Seeds should be disinfected and the seed bed rotated. If the disease has been troublesome in preceding years, the
RMT1HAKK–Diseases of wheat, oats, barley, Diseases of wheat, oats, barley, and rye diseasesofwheato48boew Year: 1960 BOEWE: DISEASES OF WHEAT, OATS, BARLEY, AND RYE 77 . Hg. 2o.—Septoria black stem on oats. The disease attacks the leaves sheaths, joints, stems, and heads. The oval to elliptical dark spots on a leaf blade. A, and the dark blotch at the base of a leaf, .1, and extending into the sheath are produced by the fungus. Infection of the node is shown on the stem at extreme right, .4, and infection of the sheath on the stem to the left of It. Sheath infections, B, are usually lighter brown
RF2NRPAD7–Young barley plants with symptoms of fungal disease, infection on leaves, chlorosis and dark spots.
RF2PGFAFR–Yellowed dried leaves of pepper grown in a pot in the apartment. Growing vegetables at home, garden on the windowsill, lack of light and trace
RMDDC4FK–Lavender leaf spot, Septoria lavandulae, spotting on lavender leaves and stem
RM2AXJJ3J–Fungi and fungicides; a practical manual, concerning the fungous diseases of cultivated plants and the means of preventing their ravages . y of liquidto slake them.) Thoroughly dampen a tight woodenbox, and put in a layer of the lime and sprinkle withthe copper solution till it falls into a fine dust. Put inanother layer and sprinkle, and continue till the bushelof lime is reduced to a dry powder. This powder is tobe dusted over the foliage. Sulphide of potassium—oneounce to ten gallons of water—has also been successfullyused. The Carnation Leaf=spot Septoria dianthi This is a widely distribut
RFPDYGFH–Epoxiconazole pesticide molecule. Stylized skeletal formula (chemical structure): Atoms are shown as colour-coded circles: hydrogen (hidden), carbon (grey), oxygen (red), nitrogen (blue), chlorine (green), fluorine (cyan).
RMPG4CAF–. Diseases of truck crops and their control . Vegetables. ^'' ^''"%.. X â s, d. Fig. 69. Celery Diseases. fl. Septoria leaf spot on leaf, h. Septoria leaf spot on leaflet, c. Septoria lesions on celery seed, d. Septoria spots showing pycnidial bodies, e. cross section showing pyncidium and pycnospores of Septoria peiroseltni (a, c, and e after Coons and Levin).. 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.. Taubenhau
RMMCKWD6–. .^^ Hg. 2o.—Septoria black stem on oats. The disease attacks the leaves sheaths, joints, stems, and heads. The oval to elliptical dark spots on a leaf blade. A, and the dark blotch at the base of a leaf, .1, and extending into the sheath are produced by the fungus. Infection of the node is shown on the stem at extreme right, .4, and infection of the sheath on the stem to the left of It. Sheath infections, B, are usually lighter brown than infections on leaves. The black stem phase of the disease is shown by the stem at right B Infection on glumes and hulls appears as dark discolorations, C.
RMT1H8FT–Diseases of field crops (1941) Diseases of field crops diseasesoffieldc121smit Year: 1941 64 California Agricultural Extension Service [Gib. 121 black spore pustules of the fungus Septoria tritici. Tin* leaves become blighted, the plants weakened, the grain shriveled, and the yield reduced. The fungus flourishes in cool, moist weather on early-sown wheat. No control method is known. Crop rotation is beneficial. Stem Rust.—This rust appears about the time of heading and attacks both the leaves and the leaf sheaths, which enclose the stem (fig. 31, p. 51). The pustules are long and dark red at
RF2NRPA5E–Young barley plants with symptoms of fungal disease, infection on leaves, chlorosis and dark spots.
RF2PH25CK–Yellowed dried leaves of pepper grown in a pot in the apartment. Growing vegetables at home, garden on the windowsill, lack of light and trace
RMDDC3GM–Lavender leaf spot, Septoria lavandulae, spotting on lavender leaves and stem
RMRM6X0A–. Annual report of the Agricultural Experiment Station. Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). NoTKS UPON Celery. 207 side of the leaf; and the operative fungus was found to be one called Septoria Peiroselhii, Var. Apii. The form on celery- is a disease which has been known to mycologists in this countiy only about six years, and with favorable conditions for its spread, it has proved to be a most destructive celery disease. In the gar- den mentioned this fungus did not spread rapidly during the. 50.—Growth of the Cercospora in agar. summer, and i
RMPG44R7–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. Fig. 105.—Septoria leaf spot disease of celery, or celery blight. (After Coons, G. N., and Levin, Ezra, Spec. Bull. 77, Mich. Agric. Coll. Exper. Stat., March. 1916. 5P0BES . Fig. 106.—Section through leaf spot of celery blight {Septoria) showing hyphae) in leaf tissue and pycnidium with exuding pycnospores. (After Coons, G. H., and Levin, Ezra, Spec. Bull. 77. Mich. Agric. Coll. Exper. Stat., March, 1916.). Please note that these images are extracted from scanned page images that may h
RMMCKC49–. Fig. 138.—Rntomosporiiim maculatum. i, quince leaf diseased ; 2, spores of fungus, highly mag. Spraying with Bordeaux mixture checks the spread of the disease. The dead, diseased leaves should be burned or buried, the diseased shoots should also be cut off. Duggar has the following remarks on this fungus. In the nursery the principal damage is done to seedling pears, and further injury is usually to be attributed to the leaf-spot, Septoria piricola. As previously mentioned, the budded stock is much less frequently affected by the leaf blight, Entomosporium juaculatum. Seedling pears througho
RMT1HDE9–Diseases of wheat, oats, barley, Diseases of wheat, oats, barley, and rye diseasesofwheato48boew Year: 1960 ROE WE: DISEASES OF WHEAT, OATS, BARLEY, AND RYE 117 Life History and Control.—The life history of the bacterium causing this disease is discussed on page 59. Control for the disease is the same as that suggested on page 57. SEPTORIA LEAF BLOTCH Septoria passerinii Septoria leaf blotch or speckled leaf blotch is not common on cultivated barley and it causes little damage on its host. On this crop plant it has been collected 10 times in Illinois, four times Fig. 42.—Septoria leaf blo
RF2NRP9FW–Young barley plants with symptoms of fungal disease, infection on leaves, chlorosis and dark spots.
RF2JCAH0K–Discolored leaves of spring wheat caused by nutrient deficiencies or infection by a crop pathogen.
RF2PGFAFD–Yellowed dried leaves of pepper grown in a pot in the apartment. Growing vegetables at home, garden on the windowsill, lack of light and trace
RMDDC4KH–Lavender leaf spot, Septoria lavandulae, spotting on lavender leaves and stem
RM2CDCBNE–. Fungous diseases of plants, with chapters on physiology, culture methods and technique . Fig. 175. Leaf Blotch of Rose 358 FUNGOUS DISEASES OF PLANTS XLIX. LEAF SPOT OF THE PEAR Septoria Pyricola Desm. DuGGAR, B, M. Some Important Pear Diseases. Leaf Spot. Cornell Agl.Exp. Sta. Built. 145: 597-611. figs. 1^7-16^. 1898. The leaf spot of pear is a disease which may be readily dis-tinguished from the leaf blight subsequently described. It occursthroughout the eastern United States as an important fungus, both. Fig. 176. Leaf Spot of Pear in orchards and nurseries. It is probably found throughou
RMPG3NWW–. Fungous diseases of plants : with chapters on physiology, culture methods and technique . Fungi in agriculture. 358 FUNGOUS DISEASES OF PLANTS XLIX. LEAF SPOT OF THE PEAR Septoria Pyricola Desm. Duggar, B. M. Some Important Pear Diseases. Leaf Spot. Cornell Agl. Exp. Sta. Built. 145: 597-611. figs. 157-163. 1898. The leaf spot of pear is a disease which may be readily dis- tinguished from the leaf blight subsequently described. It occurs throughout the eastern United States as an important fungus, both. Fig. 176. Leaf Spot of Pear in orchards and nurseries. It is probably found throughout No
RMMCKW9G–. (1) Common leaf spot of alfalfa caused by Pseudopeziza medicaginis. (2) Northern anthrac- nose on red clover caused by Kabatiella caulivora. (3) Bacterial wilt of alfalfa caused by Corynebacterium insidiosum, (4) Downy mildew of sunflowers caused by Plasmopara halstcilii. (5) Bacterial black chaff of wheat caused by Xanthomonas translucent. (6) Net blotch of barley caused by Helminthosporium teres. (7) Speckled leaf disease of wheat caused by Septoria avenae f. sp. triticea. At a later stage the diseased areas become speckled with the small black fruiting bodies. (8) Speckled leaf blotch of
RMT1HA02–Diseases of cereal and forage Diseases of cereal and forage crops in the United States in 1921 diseasesofcereal21stak Year: 1922 OATS - Smuts 215 Powdery rrdldev/ caused by Erysiphe graminis DC. - reported to te very prevalent in Nev; York where, on account of the early warm spring, the damage reached 1., according to Kirby; cird was reported once in Oregon, in a moist draw in a field at I'oro. Leaf spoi. cdused by Septoria passerinii Sacc . This has been reported from V.'isconsin. (V.'eber, George F. Studies on Septoria diseases of cereals and certain grasses. (Abstract). Phytopath. 12: 44.
RF2JCAGXD–Discolored leaves of spring wheat caused by nutrient deficiencies or infection by a crop pathogen.
RMDDC3NH–Lavender leaf spot, Septoria lavandulae, spotting on lavender leaves and stem
RM2C89JA1–Dianthus leaf spot (Septoria dianthi) fungus infection on stem and leaves of and ornamental pink (Dianthus spp.)
RMRDE59B–. The fungi which cause plant disease . Plant diseases; Fungi. THE FUNGI WHICH CAUSE PLANT DISEASE 519 In part=Mycosph£erella, Leptosphcpria. The genus is a very large one similar to Phoma and Phyllosticta except in its spore form and in the ostiole which is frequently very large. Septoria and Phleospora are distinguished only by the lesser development of the walls of the latter and many species which in early stages pass as Phleospora would in older stages be classed as Septoria. Septoria and Rhabdospora are distinguished only by the part of the host affected, stem or leaf, and many forms in
RMAACKD3–Septoria leaf blotch Zymeptoria tritici on wheat fungal lesion
RMPG4CPT–. Diseases of truck crops and their control . Vegetables. Fig. 27. Sweet Potato Diseases. a. Trichoderma rot, 6. Septoria leaf spot, c. soil stain, d. Charcoal rot, e. Texas root rot: notice the center of the hill is dead, while the side shoots are alive as they are supported by the secondary roots formed at the nodes of the vines, /. sweet potato artificially inoculated with Sclerotium Rolfsii, g. net necrosis.. 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 p
RMAKY644–Septoria leaf blotch Zymoseptoria tritici on wheat leaf close up
RMMCK7X8–. Fig. i8. Celery Disease. a. Septoria leaf spot, b. cross section through leaf to show relationship of fungus to its host, c. spores of Septoria petroselini (a-c after Coons).
RMAJWKPA–Septoria leaf spot Zymoseptoria tritici lesions and pycnidia on wheat leaf
RMT1GP6N–Diseases of truck crops Diseases of truck crops / Ralph E. Smith diseasesoftruckc119smit Year: 1940 Diseases of Truck Crops 63 true rust, and breaks out in small, red, spore pustules on the leaves and stems (fig. 30). It also attacks broad bean, but is not important. Septoria Leaf Spot, Leaf Blotch.—The affected leaves become spotted with indefinite, yellow to brown blotches and are blighted much as in ascochyta blight. Pods and seeds may become infected with this fungus
RMAJTCXF–Septoria leaf spot Zymoseptoria tritici lesions and pycnidia on wheat leaf
RMAJWJYC–Septoria leaf spot Zymoseptoria tritici cirri and pycnidia on a wheat leaf
RF2JCAH0F–Discolored leaves of spring wheat caused by nutrient deficiencies or infection by a crop pathogen.
RF2JE8BYK–Leaf spot of rye, septoria leaf blotch, speckled leaf blotch of rye. Mycosphaerella graminicola.
RMRPDW74–. The American chrysanthemum annual 1895. Chrysanthemums. 26 F UN GO US DISEA SES. Recent Blight.—Within the past three years there has been considerable damage done to the cultivated Chrysanthemums by a blight not easily distinguished from the leaf blight (Septoria) above mentioned ; but one which under the microscope has its distinct structural characteris- tics. This fungus was discovered by Mr. J. Dearness, of London, Canada and described b Messrs. Ellis and. Fig. 3. See Fungous Diseases. BY PERinSSION OF "THE AMEEKWN FLOKIST." Dearness as Cylindrosporium Chrysanthemi. It is a mo
RMPG0GF7–. Diseases of greenhouse crops and their control . Vegetables; Plant diseases; Plant diseases. Fig. 27. Lettuce Diseases. o. Drop (after Humphrey), b. Septoria leaf spot, c, same as &. but older spots, d. pycnida, e. pycniospores (af- ter Selby).. 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.. Taubenhaus, Jacob Joseph, 1884-1937. New York : E. P. Dutton
RMMCKWC2–. Fig. 53.—Septoria leaf blotch of rye. The fungus produces light yellow or light brown, irregular blotches on the leaves. Many tiny brown or black specks, the fruiting bodies of the fungus, are scattered through the infected leaf spots.
RMT1JGM0–Diseases of economic plants (1921) Diseases of economic plants diseasesofeconom01stev Year: 1921 418 Diseases of Economic Plants CHRYSANTHEMUM Leaf-spot ' {Septoria chrysanthernella Cav.). — Large brown to black blotches, often irregularly circular and of indefinite border, appear upon the leaves. These enlarge and coalesce to involve the whole leaf, which withers, dies, and falls away. The lower leaves are first affected, but in later stages all the leaves of the plant may be badly spotted, and practically complete defoliation may result. Cuttings from infected stock should be avoided. All
RMAJWKH4–Septoria leaf spot Zymoseptoria tritici lesion with pycnidia cirri on wheat leaf
RF2JE8BYP–Leaf spot of rye, septoria leaf blotch, speckled leaf blotch of rye. Mycosphaerella graminicola.
RMRJBG7H–. Celery culture; a practical treatise on the principles involved in the production of celery for home use and for market, including the selection of soil, production of plants, cultivation, control of insects and diseases, marketing and uses. Celery. 8o CELERY Cl'LTl'RE Another form of leaf blii^^ht, and which is com- monly confused with the ordinary blight, is caused by the fungus known as Septoria pctroscHui'^ var.. FIG. 2,^—CELERY LEAF AFFECTED WITH A BLIGHT (Septoria pctrosclini var. apii) (Redrawn from Halsted) apii. In general appearance this disease is very sim- ilar to the ordinary bl
RMPG4F33–. Diseases of economic plants . Plant diseases. 108 DISEASES OF ECONOMIC PLANTS the buds are unfolding, first using an 8-10-50 mixture; second a 5-7-50 mixture. Leaf spot {Septoria piricola Desm.). — The leaf spot, while rarely completely destruc- tive to foliage or crop, does interfere with the general pro- ductiveness and health of the tree by diminishing its green surface and sometimes by caus- ing defoliation. It is known over a wide range. The leaf spot may be distin- guished from the scab and the blight by the fact that the dis- eased area is rather sharply defined and characteristically
RMMCKA7K–. Fig. 64. — Currant leaf spot (septoriose). After Stewart and Eustace. Septoriose Cercosporose The leaf spots (Septoria Ribis Desm.) (Cercospora angulata Wint.) The " currant leaf spot" is a term applied to a peculiar spotting of the leaves of both currants and gooseberries. It is likely to occur wherever these plants are grown. The spot is of rather characteristic appearance, usually circular,
RMT1JGKY–Diseases of economic plants (1921) Diseases of economic plants diseasesofecon00stev Year: 1921 418 Diseases of Economic Plants CHRYSANTHEMUM Leaf-spot ••'' {Septoria chrysanthemella Cav.). — Large brown to black blotches, often irregularly circular and of indefinite border, appear upon the leaves. These enlarge and coalesce to involve the whole leaf, which withers, dies, and falls away. The lower leaves are first affected, but in later stages all the leaves of the plant may be badly spotted, and practically complete defoliation may result. Cuttings from infected stock should be avoided. All
RMAJWKGB–Septoria leaf spot ZSymoseptoria tritici baclit lesion to show pycnidia in wheat leaf
RMAJTDGF–Septoria leaf spot Zymoeptoria tritici lesions on wheat leaves
RF2JE8BY8–Leaf spot of rye, septoria leaf blotch, speckled leaf blotch of rye. Mycosphaerella graminicola.
RMRM8KNY–. Annual report of the Commissioner of Agriculture ... Agriculture -- New York (State). Notes upon Cei,ery. • 207 side of the leaf; and the operative fungus was found, to be one called Septoria Peiroselini, Var. Apii. The form on celery is a disease which has been known to mycologists in this country only about six years, and with favorable conditions for its spread, it has proved to be a most destructive celery disease. In the gar- den mentioned this fungus did not spread rapidly during the. 50.—Growth of the Cercospora in agar. summer, and it was not until early autumn that much harm seemed
RMPG4CC1–. Diseases of truck crops and their control . Vegetables. S.- '^^15"b«a%s^r". Fig. 66. Tomato Diseases. a. Septoria leaf spot, 6. section through a pycnidium of Sepioria lycopersici (after Levin), c. section through acervulus of Collelotrichum phomoides (after Venus Pool), d. and e. Melanconium rot, /. section through an acervulus of the Melan- conium fungus {d. to f. after Tisdale).. 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
RMMCKWGH–. Fig. 69. Celery Diseases. a. Septoria leaf spot on leaf, b. Septoria leaf spot on leaflet, c. Septoria lesions on celery seed, d. Septoria spots showing pycnidial bodies, e. cross section showing pyncidium and pycnospores of Septoria pelroselini (a, c, and e after Coons and Levin).
RMT1H8K3–Diseases of field crops in Diseases of field crops in the Prairie Provinces disoffieldcrop Year: 1957 (1) Common leaf spot of alfalfa caused by Pseudopeziza medicaginis. (2) Northern anthrac- nose on red clover caused by Kabatiella caulivora. (3) Bacterial wilt of alfalfa caused by Corynebacterium insidiosum, (4) Downy mildew of sunflowers caused by Plasmopara halstcilii. (5) Bacterial black chaff of wheat caused by Xanthomonas translucent. (6) Net blotch of barley caused by Helminthosporium teres. (7) Speckled leaf disease of wheat caused by Septoria avenae f. sp. triticea. At a later stage
RMAJTCX3–Septoria leaf spot Zymoeptoria tritici lesions on wheat flagleaves
RF2JE8C00–Leaf spot of rye, septoria leaf blotch, speckled leaf blotch of rye. Mycosphaerella graminicola.
RMRM7H9W–. Annual report of the Agricultural Experiment Station. Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Some Important Pear Diseases. 283. 165.—Ccnn'niating spores 0/ the ieaj-spotJungns. II. LEAF-BLIGHT, f I. General Account. The above disease has been known in this country for many decades, and throughout this period it has figured in horticultural discussions. During the past ten years it has been freely discussed from the prac- iiothing definite upon this point at present, although other fungi hav-e been found on the old leaves. This Septoria is very e
RMPG0GAX–. Diseases of greenhouse crops and their control . Vegetables; Plant diseases; Plant diseases. Fig. 46. Carnation Diseasbs. a. White tip (after Clinton), b-f. carnation rust parasite (after Blodgett, F. H.), g. stigmanose (after Woods), h. Septoria leaf spot (after Potter, M. C), »• pycnidia of Septoria dianthi, j. pow- dery mildew fungus (after Mercer, W. B.).. 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.. Taubenhaus, Ja
RMMCKWH8–. IM di Fig. 69. Celery Diseases. a. Septoria leaf spot on leaf, 6. Septoria leaf spot on leaflet, c. Septoria lesions on â jelery seed, d. Septoria spots showing pycnidial bodies, e. cross section showing pyncidium and pycnospores of Septoria pelroselini (a, c, and e after Coons and Levin).
RMT1J084–Diseases of truck crops and Diseases of truck crops and their control diseasesoftruckc00taubuoft Year: [1918] Fig. 69. Celery Diseases. a. Septoria leaf spot on leaf, b. Septoria leaf spot on leaflet, c. Septoria lesions on celery seed, d. Septoria spots showing pycnidial bodies, e. cross section showing pyncidium and pycnospores of Septoria pelroselini (a, c, and e after Coons and Levin).
RMAJTDGA–Septoria leaf spot Zymoseptoria tritici syn Mycosphaerella graminicola on wheat
RF2JE8BYX–Leaf spot of rye, septoria leaf blotch, speckled leaf blotch of rye. Mycosphaerella graminicola.
RMRDXRWW–. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. Fig. 102, ^ 1. I^eaf of Cheat, showing numerous small specks, the perithecia of Septoria Bromi, the spores in the perithecia shown at 2. [%'V.n^:'i^:^^l.:- ;,:-';-.;i±l-.:.l.!'A' In a somewhat extended account of this disease Cobb states that the entire plant is not always involved. The fungus is variable, its character depending upon the host which it attacks. On Poa annua the leaf is mainly involved and in many cases is totally d
RMPG44RA–. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. FUNGI IMPERFECTI (dEUTEROMYCETEs) 263. Fig. 105.—Septoria leaf spot disease of celery, or celery blight. (After Coons, G. N., and Levin, Ezra, Spec. Bull. 77, Mich. Agric. Coll. Exper. Stat., March. 1916. 5P0BES . 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.. Harshberger, John W. (John William), 1869-1929. Philadel
RMMCKB1T–. Fig. 64. — Currant leaf spot (septoriose). After Stewart and Eustace. Septoriose ] [ (Septoria Rihis Desm.) The leaf spots j Cercosporose J [ (Cercospora angulata Wint.) The " currant leaf spot" is a term applied to a peculiar spotting of the leaves of both currants and gooseberries. It is likely to occur wherever these plants are grown. The spot is of rather characteristic appearance, usually circular,
RMT1HDFD–Diseases of economic plants (1921) Diseases of economic plants diseasesofeconom01stev Year: 1921 114 Diseases of Economic Plants is the first symptom of disease. The entire bush may suc- cumb, but not usually during the first season. Upon splitting the stems a discoloration of the bark and wood near the base is noticed. No effective treatment is known. Mycosphaerella leaf-spot ' (Mycosphcerella grossularice (Fr.) Lind., Septoria). — The spots on the leaf are small (3 mm.), circular, brown-bordered, with blanched centers Fig, 56. — Currant leaf-spot. After Stewart and Eustace. which bear
RMAJTCR4–Septoria leaf spot Zymoseptoria tritici lesions pycnidia on wheat leaves
RF2JE8BYG–Leaf spot of rye, septoria leaf blotch, speckled leaf blotch of rye. Mycosphaerella graminicola.
RF2J6CRHK–Blackcurrant leaf spot (Pseudopeziza ribes). It is the most dangerous disease that attacks the currant.
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