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By: Joint Symposium on Insect-Transmitted Plant Diseases Cincinnati, Ohio) - American Phytopathological Society. - American Association of Economic Entomologists - Entomological Society of America - United States. Plant Disease Survey.Edition:Publication info: Beltsville, Md, Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1952Volume: v.211Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: United States. Plant Disease Epidemics and Identification Section. - American Phytopathological Society.Edition:Publication info: Beltsville, Md, Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1956Volume: v.238Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: