Farm crops, their cultivation and management, a non-technical manual for the cultivation, management and improvement of farm crops . luish-greenplant louse found on the roots of corn, broom corn, sorghum and on severalweeds. It weakens the plant, causing it to be stunted and poorly nour-ished. Treatment.—One year rotation to other crops than corn, clean cultiva-tion and liberal use of fertilizers, winter plowing to break up nests of antswhere aphis eggs are stored. Bur. Ent. Cir. S6; Bur. Ent. BuU. 85, Pt. 6. Cotton Boll Worm (Heliothis obsoleta, Fab.).—See Corn Ear Worm, Cotton Worm {Alabama
Farm crops, their cultivation and management, a non-technical manual for the cultivation, management and improvement of farm crops . luish-greenplant louse found on the roots of corn, broom corn, sorghum and on severalweeds. It weakens the plant, causing it to be stunted and poorly nour-ished. Treatment.—One year rotation to other crops than corn, clean cultiva-tion and liberal use of fertilizers, winter plowing to break up nests of antswhere aphis eggs are stored. Bur. Ent. Cir. S6; Bur. Ent. BuU. 85, Pt. 6. Cotton Boll Worm (Heliothis obsoleta, Fab.).—See Corn Ear Worm, Cotton Worm {Alabama argillacea, Hbn.).—Adark-greenish caterpillar, striped with black, thelarva of a grajash-brown moth marked on the forewings with irregular darker bands. They feed onthe under side of leaves when young, later feedingon the entire leaf and when abundant on buds andtender stalks. Adults make strong flights, going asfar north as Canada. They feed at times on ripefruit, which they are able to puncture with strongmouth parts. Treatment.—Dust the plants with powdered ar-senate of lead when the worms Ent. Cir.
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Keywords: ., bookcentury1900, bookdecade1910, bookidfa, booksubjectagriculture
