Botond Balogh with microscope, courtesy of Botond Balogh. Cedar apple rust gall on cedar, with gelatinous spore horns extended. Copyright APS PRESS. Photograph courtesy of A. L. Jones, reprinted from the Compendium of Apple and Pear Diseases. Stained psuedothecium, asci, and ascospores of Leptophaerulina briosiana formed in an alfalfa leaf. Copyright APS PRESS. Photograph courtesy of L. H. Rhodes, reprinted from the Compendium of Alfalfa Diseases, Second Edition. Megan Dewdney in Greenhouse, photo by Rob Way. Malformed mango panicle with portions of the inflorescence that have been transformed into leaves. Courtesy of R. C. Ploetz, reprinted from the Compendium of Tropical Fruit Diseases. David Gent in pyrethrum field, courtesy of David Gent. Cultures of a destructive mold called Phomopsis strains that infect both crop and noncrop plants. Photo by Scott Bauer, courtesy of the Agricultural Research Service.
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