球孢白僵菌“两头歼”防治水稻高龄稻纵卷叶螟试验初报
2011
"两头歼"不仅对稻纵卷叶螟低龄幼虫高效,而且对高龄幼虫防效也好。采用"两头歼"40g/667m2,3d防效达91.68%,7d防效达98.11%,显著高于对照药剂40%丙溴磷EC100ml/667m2,是防治水稻高龄稻纵卷叶螟的理想生物制剂。
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