Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 VEGETABLE AND FIELD CROPS 199 power through the destruction of green tissue. Still greater loss follows from the spread of the disease to the pods as Fig. 88. — Bean anthracnose upon stem and leaves of young plants. After Whetzel. they form, the unsightliness of the spotted pods greatly injuring their salability.

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