. The fungi which cause plant disease . Plant diseases; Fungi. 94 THE FUNGI WHICH CAUSE PLANT DISEASE the fungus in that conidia are produced more abundantly and retain their power of germination longer when moist. Disease spots appear two or three days after infection; conidia same nine or ten days after infection. The species is perennial in Florida'' and spreads northward as the season advances, reaching Ohio and New York by late summer. Fig. 64.—P. cubensis: 3. Conidiophore with young and old conidia. 5. Conidium. 6. Conidium germinating. 11. Zoospores. 18. Infection through a stoma. After


. The fungi which cause plant disease . Plant diseases; Fungi. 94 THE FUNGI WHICH CAUSE PLANT DISEASE the fungus in that conidia are produced more abundantly and retain their power of germination longer when moist. Disease spots appear two or three days after infection; conidia same nine or ten days after infection. The species is perennial in Florida'' and spreads northward as the season advances, reaching Ohio and New York by late summer. Fig. 64.—P. cubensis: 3. Conidiophore with young and old conidia. 5. Conidium. 6. Conidium germinating. 11. Zoospores. 18. Infection through a stoma. After Clinton. or early autumn.** For a series of years after its discovery it was not well known even scientifically, its first serious outbreak being about ISS9.^ It appeared in Japan about the same time ^ and is now known to be almost cosmopolitan. The oospores have been found only by Rostewzew and have not been seen in America. A wide range of wild and cultivated cucurbits is infected, among. 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 Stevens, Frank Lincoln, 1871-1934. New York : Macmillan


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1913