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Control effect of Beauveria bassiana Bbt1 strain and some other chemical pesticides on Tessaratoma papillosa Drury
Author(s): XU Yao-chang
Pages: 169-
172
Year: 2005
Issue:
2
Journal: ENTOMOLOGICAL JOURNAL OF EAST CHINA
Keyword: 白僵菌; Bbt1菌株; 化学农药; 荔枝蝽;
Abstract: 应用白僵菌Bbt1菌株和常用化学农药90%晶体敌百虫、2.5%溴氰菊酯、5%顺反氯氰菊酯等进行室内毒力测定和田间防治荔枝蝽试验.结果表明,荔枝蝽已对敌百虫高度不敏感,药效下降,产生抗药性;5%顺反氯氰菊酯乳油、2.5%溴氰菊酯乳油虽有较好防效,但污染环境、残留大,不宜使用;Bbt1尽管初期见效慢,但7-15 d效果达到高峰(达90%以上),其粉剂兑水100倍液喷雾防治,室内和田间15 d防效分别达94.5%和93.0%,具有很好的防治效果,且属无公害农药,可以代替化学农药使用.
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