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| Studies on the Biological Characteristics of Corynespora cassiicola |
| Liu Mingtao; Zhang Dingfa; Sun Huatian |
| Department of Plant Protection Vocation-Technical Teachers College; Xinxiang 453003 |
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Abstract The biological characteristic of Corynespora cassiicola were studied. Results showed that the hyphae could grow at the temperature range 10 - 35 ℃ ,and the optimum temperature was 30 ℃. The preferred temperature for spore germination was 10-35 ℃ , and the optimum range was 25 - 30 ℃. The germination needed a relative humidity of over 90% , and water drop was the optimum condition. Light could stimulate the hyphae growth, but inhibit the spore production. The spore can be killed by the ultraviolet light.
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Received: 06 November 2002
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