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Updated: May 8, 2025
The cabbage-fly, father-long-legs, the millipedes, the blue cabbage-fly, brassy cabbage-flea, and two or three other insect enemies are mentioned by McIntosh as infesting the cabbage fields of England; also three species of fungi known as white rust, mildew, and cylindrosporium concentricum; these last are destroyed by the sprinkling of air-slaked lime on the leaves.
A somewhat similar leaf-blight results from a species of Cylindrosporium, and other fungi may occur on diseased leaves. It does not cause such distinct spots but occurs in greenish brown, velvety patches of irregular outline on the under side of the leaves. The lower leaves are first attacked, and as the disease progresses they turn yellow and drop off.
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