. The fungi which cause plant disease . Plant diseases; Fungi. 592 THE FUNGI WHICH CAUSE PLANT DISEASE P. oiyzse; but morphological characters and inoculation experi- ments indicate their identity on various other grasses. P. caudata A. & S. occurs on cacao. To the Moniliacese-scolecosporae belongs only one genus: Cercosporella Saccardo Hyaline throughout; conidiophores simple or branched; conidia filiform, many-septate. Distinguished from Cercospora only in color. The genus contains some seventy species of parasites. C. persicae ;* Conidiophores cespitose, on discolored areas, f


. The fungi which cause plant disease . Plant diseases; Fungi. 592 THE FUNGI WHICH CAUSE PLANT DISEASE P. oiyzse; but morphological characters and inoculation experi- ments indicate their identity on various other grasses. P. caudata A. & S. occurs on cacao. To the Moniliacese-scolecosporae belongs only one genus: Cercosporella Saccardo Hyaline throughout; conidiophores simple or branched; conidia filiform, many-septate. Distinguished from Cercospora only in color. The genus contains some seventy species of parasites. C. persicae ;* Conidiophores cespitose, on discolored areas, filiform, 2 to 3-branched, continuous; conidia 40-60 X 1-5 n, torulose. The conidia develop in abundance on the lower sides of leaf spots of peach causing a frosty mildew. C. narcissi Boud. occurs on Narcissus; C. inconspicuus (Wint. & Hohn) on lily, ^^^ Q pastinacae Karst. Fig. 397.—c. per- Spots amphigenous, fuscus or whitish; conidia f^'o. ^*^'^ ^^^ filiform, somewhat curved, slender, attenuate, 50-90 X 2 n. On parsnip and other Umbelliferae. C. albo-maculans E. & E. Spots orbicular, white, dark-margined, conidiophores amphige- nous, cespitose, 8-12 x 2 ju, hyaline, continuous; conidia cylindric, 40-68 X n, straight or curved, 3-septate. A common cause of pale spots on turnip leaves. Moniliaceae-Dictyosporese (p. 565) Conidia hyaline or bright colored, muriform, globose, ovoid or cubic. Key to Genera of Momliaceae-Dictyosporese Saprophytic HyphsB much-branched; conidia elliptic or globose, cells uniform 1. 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