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Collections Organic Roots Collection Remove constraint Organic Roots Collection: Organic Roots Collection Subjects spraying Remove constraint spraying: spraying Subjects Apple powdery mildew Remove constraint Apple powdery mildew: Apple powdery mildew

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1. Control of apple powdery mildew

Author:: Fisher, D. F.
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 , sulfates
Physical description:: 14 p. : ill. ; 23 cm.
Additional Author(s):: Fisher, D. F.
Collection:: Organic Roots Collection
Series:: Farmers' bulletin