40%吡蚜酮·异丙威可湿性粉剂对稻飞虱的防治效果研究
Modern Agricultural Sciences and Technology(2010)
Abstract
研究40%吡蚜酮.异丙威可湿性粉剂对稻飞虱的防治效果,结果表明:该药剂防治稻飞虱具有良好的速效性和持效性。药后3、7、14 d,该药300 g/hm2用量处理的防治效果分别为88.07%、92.12%和89.60%;240 g/hm2的防效分别为84.00%、89.47%和85.82%。建议在稻飞虱低龄若虫高峰期使用。
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