. Manual of vegetable-garden insects. Fig. 122. — Beet leaf kinked by the tarnishedplant-bug. INJURIOUS TO CARROT AND RELATED CROPS 195. Fi(i. — Ad( I phocorisrapidus, adult (X 5j). are blanching, puncture the tender stalks, producing largebrown wilted spots and a blackening of the tissue at the trouble is known among celery-growers as black injury mars the appearance ofthe plants, lessens their market valueand causes considerable loss. Cab-bage, cauliflower, turnip, salsify andcucumber are also subject to attack,but serious injury to these plants is ofrare occurrenc
. Manual of vegetable-garden insects. Fig. 122. — Beet leaf kinked by the tarnishedplant-bug. INJURIOUS TO CARROT AND RELATED CROPS 195. Fi(i. — Ad( I phocorisrapidus, adult (X 5j). are blanching, puncture the tender stalks, producing largebrown wilted spots and a blackening of the tissue at the trouble is known among celery-growers as black injury mars the appearance ofthe plants, lessens their market valueand causes considerable loss. Cab-bage, cauliflower, turnip, salsify andcucumber are also subject to attack,but serious injury to these plants is ofrare occurrence. It is rarely possible to prevent attackby the tarnished plant-bug because theinjury is inflicted by the adults thathave developed on wild plants,common weeds that are everywherepresent. They are too active to be hit by a spray and soresistant to insecticides that it is impossible to kill them with-out using some material that would injure the plants. Cleanfarming is often recommended as a means of reducing thenumbers of the bugs, but undercircumstances gives littlerelief. Another plant-bug,Adclphncoris rajjidiisSay, is often
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1918
