. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. THE PARASITIC! EXOASCEAE. 161 Exoascus alpinus Johan. and Ex. nanus Johaii. Both occur on Bftuhi nana, and induce formation of hypertrophied twigs. ^'VK/. /. Fig. 56.— Witches' Broom of the Cherry. Exoascus cerasi on Cerasus. The whole left side forms a large broom. A smaller example occupies the summit of the crown, while another hangs downwards to the right. In winter condition. (v. Tubeuf phot.) The myceliu
. Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae. Plant diseases; Parasitic plants; Fungi. THE PARASITIC! EXOASCEAE. 161 Exoascus alpinus Johan. and Ex. nanus Johaii. Both occur on Bftuhi nana, and induce formation of hypertrophied twigs. ^'VK/. /. Fig. 56.— Witches' Broom of the Cherry. Exoascus cerasi on Cerasus. The whole left side forms a large broom. A smaller example occupies the summit of the crown, while another hangs downwards to the right. In winter condition. (v. Tubeuf phot.) The mycelium of Ux. nanus hibernates in twigs, and penetrates L. 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 Tubeuf, Karl, freiherr von, 1862-1941. London, New York [etc. ] : Longmans, Green & co.
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi
