. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. VARIOUS STAGES OF PHYSALOSPORA CYDOXIAE 1. Showing differences in growth on nutrient a^ar from pycnospores (heavy dark growth on left) and from asc ispores (scant growth on right) 2. Photomicrograph of asci, ascospores, and paraphyses from a single perithecium 3. Sclerotia as they appear in pure culture 4. Twig of apple, showing dark masses of pycnospores which have oozed from the pycnidia when the twin was kept in a moist chamber. Please note that these images are extracted from scann
. Black rot, leaf spot and canker of pomaceous fruits. Black rot; Leaf spots; Canker (Plant disease); Apples. VARIOUS STAGES OF PHYSALOSPORA CYDOXIAE 1. Showing differences in growth on nutrient a^ar from pycnospores (heavy dark growth on left) and from asc ispores (scant growth on right) 2. Photomicrograph of asci, ascospores, and paraphyses from a single perithecium 3. Sclerotia as they appear in pure culture 4. Twig of apple, showing dark masses of pycnospores which have oozed from the pycnidia when the twin was kept in a moist chamber. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hesler, L. R. (Lexemuel Ray). Ithaca, N. Y. : Cornell University
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Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectblackro, bookyear1916
