. The fungi which cause plant disease . Plant diseases; Fungi. Fig. 61.—S. graminicola. Conidiophores and co- n i d i a ; germinating conidia and zoo- spores. After Fig. 62.—S. graminicola, oo- gonium, oospore and an- theridium in section. Af- ter Stevens. On millet (Setaria italica), pearl millet, fox tail and com; in India of considerable economic importance.^* S. macrospora Sacc. has been reported in com tassels and on wheat in Italy and the United States.*^' ^ Conidia unknown; oogonia embedded firmly in the tissue of the host, not causing disintegration as in S. graminicola; oospo


. The fungi which cause plant disease . Plant diseases; Fungi. Fig. 61.—S. graminicola. Conidiophores and co- n i d i a ; germinating conidia and zoo- spores. After Fig. 62.—S. graminicola, oo- gonium, oospore and an- theridium in section. Af- ter Stevens. On millet (Setaria italica), pearl millet, fox tail and com; in India of considerable economic importance.^* S. macrospora Sacc. has been reported in com tassels and on wheat in Italy and the United States.*^' ^ Conidia unknown; oogonia embedded firmly in the tissue of the host, not causing disintegration as in S. graminicola; oospores Ught yellow, smooth, 60-65 M- Plasmopara. Schroter (p. 83) "* The tree-like, branching conidiophores. Fig. 63, are common to this genus, Peronospora, Peronoplasmopara and Bremia, and unlike the conidiophores of Phytophthora they are completely formed before they begin to bear spores. Mycehum branched; haustoria simple; conidiophores 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