אסיף מאגר המחקר החקלאי

Scanning electron microscopy of the infection of beans by Rhizoctonia solani Propagules

Year:

1976

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Volume :

40

Co-Authors:

Lisker, N., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot, Israel
Katan, J., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot, Israel
Henis, Y., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot, Israel

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Abstract:

Germination, hyphal spread, and formation of infection cushions and lesions on bean hypocotyls by infective large propagules of Rhizoctonia solani were studied with the scanning electron microscope. The surface of old, but not of young, hyphae appeared typically wrinkled and shrunken. Infection cushions appeared as a network of several layers of crossed anastomosing hyphae. These features could not be observed under the light microscope. No differences in the surfaces of infective and non-infective small propagules could be observed. Non-infective propagules germinating on the hypocotyls gave rise to spreading hyphae but did not develop infection cushions. © 1976 Annals of Botany Company.

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