Diseases & insects of the home garden . Fig. S. — Cabbage across a diseased stemto show the black ringwhich the disease causes. sometimes })ecome so thick as to destroy en-tire rows of beets before the insects are evenseen by the gardener. They even work downand bore into the crowns of the plants. Treaimeni.—This insect can be kept downreadily by spraying with arsenate of lead (seepage 28) w-hen the pest is first seen, and againas often as needed. Prevention.—Chick-weed and p i g w e e d(lambs-quarters) arethe natural food plants Fig. 7.—Beet webworm: o, moth; ^f the flea-beetl
Diseases & insects of the home garden . Fig. S. — Cabbage across a diseased stemto show the black ringwhich the disease causes. sometimes })ecome so thick as to destroy en-tire rows of beets before the insects are evenseen by the gardener. They even work downand bore into the crowns of the plants. Treaimeni.—This insect can be kept downreadily by spraying with arsenate of lead (seepage 28) w-hen the pest is first seen, and againas often as needed. Prevention.—Chick-weed and p i g w e e d(lambs-quarters) arethe natural food plants Fig. 7.—Beet webworm: o, moth; ^f the flea-beetle, and6, full-grown larva. Enlarged. should be killed in the early spring. Cutworms also feed on these WEBWORM.—Several kinds of web worms attack beets b}- eating the leaves, which become webbed together on the growing plant. The worst of these pests is shown in figure 7. Treatment.—Spray with arsenate of lead, made as described on page 28. Prevention.— The garde n should be kept free from suchweeds as pigweed,
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