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为了探讨22%阿维菌素·毒死蜱微乳剂对稻纵卷叶螟的防治效果和使用技术,2013年9月和2014年6月在广东省连州市采用22%阿维菌素·毒死蜱微乳剂750、900、1 050 g/hm23种不同用量处理进行稻纵卷叶螟防治效果比较试验。结果表明:22%阿维菌素·毒死蜱微乳剂对稻纵卷叶螟具有较好的防治效果,2013年,22%阿维菌素·毒死蜱微乳剂750、900、1 050 g/hm2用量防治效果分别为78.24%、84.10%和87.17%;2014年,22%阿维菌素·毒死蜱微乳剂750、900、1 050 g/hm2用量防治效果分别75.67%、81.19%和85.51%,均极显著高于其他对照药剂处理。
In order to investigate the effect of 22% abamectin-chlorpyrifos microemulsion on the prevention and control of rice leaf roller, the 22% avermectin · chlorpyrifos micro-emulsion was applied in Lianzhou City, Guangdong Province in September 2013 and June 2014 The comparative experiment on the control effect of rice leaf roller Cnaphalocrocis medinallus was carried out with different dosage of 750, 900 and 1 050 g / hm of emulsion. The results showed that: 22% abamectin · chlorpyrifos microemulsion had a good control effect on Cnaphalocrocis medinalis. In 2013, the dosage of 22% abamectin · chlorpyrifos microemulsion 750, 900 and 1 050 g / hm2 The results showed that the control effect of 75%, 81% and 85.51% resveratrol was 75.67%, 81.19% and 85.51% respectively for the 22% abamectin-chlorpyrifos microemulsion in 2014, Higher than the other control agents.