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By: Scott, W. M. (William Moore), - Rorer, James Birch, - United States. Bureau of Plant Industry.Edition:Publication info: Washington, D.C, G.P.O, 1909Volume: no.144 (1909)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Apple blotch Apples Diseases and pestsBHL Collections:
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By: Roberts, John W. (John William),Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1917Volume: no.534 (1917)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Apple blotch Apples Diseases and pestsBHL Collections:
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By: Gunderson, A. J. (Alfred Joseph),Edition:Publication info: Urbana, Ill, University of Illinois Agricultural Experiment Station, 1919Volume:Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Apple blotch Apples Diseases and pestsBHL Collections:
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By: Guba, Emil Frederick,Edition:Publication info: Urbana, Ill, University of Illinois Agricultural Experiment Station, 1925Volume:Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Apple blotch Apples Diseases and pestsBHL Collections: