THE INFLUENCE OF LIGHT AND OTHER ENVIRONMENTAL FACTORS ON MYCELIAL GROWTH AND SCLEROTIAL PRODUCTION BY BOTRYTIS SQUAMOSA
- 1 November 1956
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Botany
- Vol. 34 (6) , 881-890
- https://doi.org/10.1139/b56-070
Abstract
A monoconidial Isolate of Botrytis squamosa Walker was cultured on two semisynthetic media; modified White's medium permitted rapid and uniform mycelial growth; Czapek's medium supported abundant proliferation of sclerotia. When the fungus was cultured on White's medium and exposed to specific levels of incandescent irradiance, mycelial growth was arrested. The temperature inside Petri plates exposed to incandescent radiant energy was determined with the aid of thermocouples. Aeration and nutritional factors were found to influence the production of sclerotia. Concentric rings of sclerotia were produced on Czapek's agar when the fungus was exposed to periods of darkness alternated with periods of incandescent and/or fluorescent radiant energy.Keywords
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