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By: Ballard, W. S. (William Salisbury), - Volck, W. H. (William Hunter),Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1914Volume: no.120 (1914)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Apples California Diseases and pests Powdery mildew diseasesBHL Collections:
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By: Burlingham, Richard. - Darton & Harvey (London, England),Edition:Publication info: London, Printed for the author, by Darton and Harvey, 55, Gracechurch Street, 1802-[1803]Volume: 1802Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Aphids Control Diseases and pests Fruit Fruit-culture Nectarine Peach Powdery mildew diseasesBHL Collections:
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By: Weiss, FreemanEdition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, [1940]Volume: no.197Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Diseases and pests Plants, Ornamental Powdery mildew diseasesBHL Collections: