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. Better fruit. Fruit-culture. May, 1922 BETTER FRUIT Page Seventeen Walnut Pest T^HF. walnut-husk m.iggot (R/iago/etis -'- suavis Loezv), long known as a dis- agreeable inhabitant of the hulls of the nati;e black walnut in its eastern range, has demonstrated its versatility by attacking in like manner the English or Persian walnut wherever grown in the East. Some of the infested nuts drop prematurely, whereas others hang to the trees. The injury to English walnuts is three- fold since it impairs the quality of the kernels, causes the husk to stick to the shell and blackens and soils the shel

. Better fruit. Fruit-culture. May, 1922 BETTER FRUIT Page Seventeen Walnut Pest T^HF. walnut-husk m.iggot (R/iago/etis -'- suavis Loezv), long known as a dis- agreeable inhabitant of the hulls of the nati;e black walnut in its eastern range, has demonstrated its versatility by attacking in like manner the English or Persian walnut wherever grown in the East. Some of the infested nuts drop prematurely, whereas others hang to the trees. The injury to English walnuts is three- fold since it impairs the quality of the kernels, causes the husk to stick to the shell and blackens and soils the shel Stock Photo
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Library Book Collection / Alamy Stock Photo

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RHRTN6

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7.1 MB (189.9 KB Compressed download)

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2570 x 972 px | 21.8 x 8.2 cm | 8.6 x 3.2 inches | 300dpi

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. Better fruit. Fruit-culture. May, 1922 BETTER FRUIT Page Seventeen Walnut Pest T^HF. walnut-husk m.iggot (R/iago/etis -'- suavis Loezv), long known as a dis- agreeable inhabitant of the hulls of the nati;e black walnut in its eastern range, has demonstrated its versatility by attacking in like manner the English or Persian walnut wherever grown in the East. Some of the infested nuts drop prematurely, whereas others hang to the trees. The injury to English walnuts is three- fold since it impairs the quality of the kernels, causes the husk to stick to the shell and blackens and soils the shell, making the nuts unattractive for market. Spraying with lead arsenate one and one- half pounds to 50 gallons of water resulted in only 4 per cent infestation at harvest time against 60 per cent unsprayed the pre- vious year. Such treatment, however, can- not be recommended .as a positive control as the flies succumb very slowly to the ef- fects of this poison. It is of interest to note that this pest is a close relative of the well known apple maggot, or railroad >vorm. A preliminary report on this walnut pest, recently has been issued and may be had on application to the Federal Bureau of En- tomology, Washington, D. C. Loganberry growers of Lulu Island, near Vancouver, B. C, recently formed an as- sociation. The government experiment station at Sitka, Alaska, is experimenting with new varieties of potatoes that m.iy be adapted to conditions in Alaska. Thinning Shears Ladders Picking Bags The Hardie Mfg. Co. 55 N. Front St.. Portland, Ore. Tests in Curbing Melon Pests {Conthiiied front page 6) or those receiving applications of three pounds of powdered arsenate of lead in 50 gallons of water applied with an engine power melon sprayer, were nearly de- stroyed. Several melon patches were dusted in comparison with the fields sprayed with power sprayers and in no case was this strength of liquid material able to control the beetles, which were unusually num- erous last season

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