Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplants00tube Year: 1897 262 ASCOMYCETES. a cloud of spores so ejected may easily be seen. Infection takes place on the birch flowers. It is possible to promote germination in water and on moistened leaves, but the germ- tubes soon die. This disease, on account of the small size of the birch fruit and the tiny sclerotia, remained for a long time quite un- observed, yet it seems to be common everywhere; in Russia it has been
Diseases of plants induced by Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae diseasesofplants00tube Year: 1897 262 ASCOMYCETES. a cloud of spores so ejected may easily be seen. Infection takes place on the birch flowers. It is possible to promote germination in water and on moistened leaves, but the germ- tubes soon die. This disease, on account of the small size of the birch fruit and the tiny sclerotia, remained for a long time quite un- observed, yet it seems to be common everywhere; in Russia it has been found frequently, also in Germany, North America, and Japan. It possesses considerable economic importance, since diseased seeds are no longer capable of germination.
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