. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. UNCINULA 155 that the ascigerous fruit was first met with on grapes, both growing under glass and out of doors. This discovery. Fig. 39. — Uncinula spiralis, i, fungus forming white mildew- patches on upper surface of vine leaf; 2, portion of vine leaf with fungus bearing perithecia ; 3, mycelium bearing erect chains ol conidia, a, a, and haustoria which enter the cells and absorb food, d, d; 4, a single conidium ; 5, a perithecium with its curled append


. Diseases of cultivated plants and trees. Plant diseases; Plants -- Wounds and injuries; Plants, Protection of; Trees -- Diseases and pests. UNCINULA 155 that the ascigerous fruit was first met with on grapes, both growing under glass and out of doors. This discovery. Fig. 39. — Uncinula spiralis, i, fungus forming white mildew- patches on upper surface of vine leaf; 2, portion of vine leaf with fungus bearing perithecia ; 3, mycelium bearing erect chains ol conidia, a, a, and haustoria which enter the cells and absorb food, d, d; 4, a single conidium ; 5, a perithecium with its curled appendages ; 6, an ascus containing six spores ; 7, a free ascospore ; 8, grapes attacked by the fungus. Figs, i and 2 somewhat reduced ; the rest highly mag. showed the fungus to be Uncimila spiralis, Berk, and Curt. (= Uncinula necator, Burr.). This fungus is undoubtedly of. 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 Massee, George, 1850-1917. New York : Macmillan


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Keywords: ., bookpublishernewyorkmacmillan, booksubjectplantdis, bookyear1910