Identification and Biological Characteristics of the Pathogen of Botrytis cinerea on Grape

The writer investigated and sampled grape grey mold in different regions of Xinjiang.According to its symptom,morphologic characters,cultural characteristics, host range,it was shown that the pathogen was Botrytis cinerea Pers.The temperature for this pathogen growth was from 5℃ to 30℃,with the optimum from 15℃ to 25℃;the pH values ranged from 2 to 9,with the optimum from 3 to 6;the different light had no significant effect on mycelial growth;this pathogen had wide range of hosts;Munage and Jufeng had high resistance to Botrytis cinerea;Thiophanate-methyl and Yijiale significantly inhibited the pathogen growth.