3种药剂对豇豆蓟马的田间防效评价
China Plant Protection(2015)
Abstract
调查了3种杀虫剂对田间豇豆蓟马的防治效果,筛选对该害虫具有较好防效的农药.结果显示,3种杀虫剂对豇豆蓟马均具一定防治效果,1次用药后,以60g/L乙基多杀菌素悬浮剂的防效最高,其不同剂量处理药后3d防效达到最高,为63.82%~86.26%.药后7、10d,其中高剂量36.0、45.0 g/hm2处理的防效仍保持在50%以上,表现出较好的持效性,而药后10d其他药剂处理基本已丧失防效.
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