Tisdale, W. H. (Wendell Holmes) and Tapke, V. F. (Victor Ferdinand)
Farmers' bulletin / United States Department of Agriculture ; no. 1540
Grain; Diseases and pests; small grains; fungal diseases of plants; smut diseases; scab diseases; control methods; seed treatment; plant cultural practices; cultural control; hot water treatment; application equipment; varietal resistance
Roberts, John W. (John William) and Pierce, Leslie.
Farmers' bulletin (United States. Dept. of Agriculture) ; no. 1479
Apple blotch; Apples; Diseases and pests; life cycle (organisms); apples; orchards; fruit trees; plant diseases and disorders; fungal diseases of plants; leaf blotch; spraying; varietal resistance; sulfur; copper sulfate
Farmers' bulletin (United States. Dept. of Agriculture) ; no. 1225
Potatoes; Diseases and pests; Empoasca fabae; Control; life history; defoliation; varietal resistance; natural enemies; biological control agents; entomopathogenic fungi; Entomophthora; chemical control