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筛选茶尺蠖高毒苏云金杆菌菌株02-85,联合茶尺蠖病毒专性致病作用,研制出茶尺蠖病毒B t制剂尺蠖清。试验结果表明,尺蠖清对茶尺蠖防效达92.4%,保叶率达92.1%。
Screening tea scrofa virulent Bacillus thuringiensis strain 02-85, combined with the specific pathogenic role of tea Scirpus virus, developed a tea Scirrhus B t preparation Bian Qing. The test results showed that the ulcer quality was 92.4% and the leaf protection rate was 92.1%.