. Vegetable gardening. A manual on the growing of vegetables for home use and marketing . large scale it is customary to use arsenical poisonmixed with flour as recommended for the potato bug. The poisoncanuot be applied in water as it will not stick to the leaves. 92 VEGETABLE GARDENING. Tiiese, it is evident to anyone, can be safely applied before theplants commence to head, and recent careful trials and analy-ses of cabbage thus treated with Paris green, show there is verylittle danger in using it at any stage of the plants. It is the sim-plest of remedies and effective yet not dangerous. T
. Vegetable gardening. A manual on the growing of vegetables for home use and marketing . large scale it is customary to use arsenical poisonmixed with flour as recommended for the potato bug. The poisoncanuot be applied in water as it will not stick to the leaves. 92 VEGETABLE GARDENING. Tiiese, it is evident to anyone, can be safely applied before theplants commence to head, and recent careful trials and analy-ses of cabbage thus treated with Paris green, show there is verylittle danger in using it at any stage of the plants. It is the sim-plest of remedies and effective yet not dangerous. There areparasites that attack and kill the worms and chrysalides, and has shown clearly that they sometimes may be destroyedvery rapi-dly by disease as well as insect parasites. It is notuncommon to have nearly all these worms die in the latter partof any season from one or both of these causes. Cabbage Piusia. (Plusia brassicae.)—The cabbage plusia eatsirregular holes in the leaves, and burrows into the heads ofthe cabbage. The parent insect is a moth of a dark-gray color. Figure 37.—Snapping beetle or wire worm with distinguished by a silver mark on each wing. The eggs are laidon the upper surface of the leaves singly or in clusters. Theysoon hatch into pale green translucent worms, marked withpaler longitudinal stripes on the back and sides. When fuiigrown these are about two inches long. They resemble spaiworms in their mode of locomotion, hence are easily distinguishedfrom the cabbage worm. The full grown caterpillar spins acocoon, generally on the under side of the cabbage leaf, in whichit undergoes its changes. The insect winters over in the pupalstate. The remedies for this pest are the same as those INJURIOUS INSECTS, 93 recommended for cabbage worms and it is also subject to dis-eases and parasites. Wire Worms or Drill Worms (Elator).—Wire worms causedamage by boring into potatoes and some seeds in the are the larvae of a snapping
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectvegetablegardening
