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进行了20%氟铃脲.辛硫磷EC防治小菜蛾的田间药效试验。结果表明:20%氟铃脲.辛硫磷EC600ml/hm2、900ml/hm2施用7d后防治效果分别为84.96%和88.47%,防效在0.01水平上极显著高于对照药剂5%氟铃脲EC600ml/hm2及40%辛硫磷EC600ml/hm2。
A field efficacy trial of 20% hexaflumuron and phoxim EC against Plutella xylostella was conducted. The results showed that the control efficacy of 20% hexaflumuron, phoxim EC600ml / hm2, 900ml / hm2 application for 7 days was 84.96% and 88.47%, respectively. The control efficacy was significantly higher than that of the control drug 5% hexaflumuron EC600ml / hm2 and 40% phoxim EC600ml / hm2.