Control of apple powdery mildew
- 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