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Control of apple powdery mildew


Author:
Fisher, D. F.
Source:
Farmers' bulletin / United States Department of Agriculture ; no. 1120 1920
Year:
1920
Subject:
Apple powdery mildew, Apples -- Diseases and pests, fungal diseases of plants, powdery mildew, mildews, cultural control, pruning, spraying, sulfur, liming materials, copper carbonate, saponins, casein, and sulfates
Format:
14 p. : ill. ; 23 cm.
Language:
English
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection