吡虫啉两种新剂型对十字花科蔬菜蚜虫的毒力及田间防效

Jiangsu Agricultural Sciences(2006)

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Abstract
经室内毒力测定,吡虫啉悬浮剂和水分散粒剂两种新剂型对十字花科蔬菜蚜虫的毒力是可湿性粉剂的1.06倍和1.73倍。田间试验结果表明,吡虫啉悬浮剂和水分散粒剂两种新剂型对十字花科蔬菜蚜虫具有优异的防治效果,用药有效成分1.5 g/667m2左右,防效95%以上,持效期15 d以上。与吡虫啉可湿性粉剂相比,用药量减少了20%~25%,防效却没有显著差异。
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