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试验结果表明,8000单位Bt10g/667m2药后10d对稻纵卷叶螟的防治效果为85.7%,20d后的保叶效果达到82.2%,对鱼无毒、安全,可作养鱼稻田防治稻纵卷叶螟的农药。
The results showed that the control effect of 8,000 units Bt10g / 667m2 on rice leaf roller was 85.7% after 10 days and 82.2% after 20 days, which was non-toxic to fish and safe for rice culture Leaf roller borer pesticides.