五种药剂防治水稻稻纵卷叶螟药效试验

Experiment on the Control Effect of Five Pesticides for Rice Leaf Roller

采用五种药剂防治水稻稻纵卷叶螟药效试验，结果表明，15％强农EC、2％叶不倦、20％快抢击EC、天诺高甲对稻纵卷叶螟防治效果都较理想，药后5d防效幅度为91．94～95．16％，药后12d防效幅度为91．97～98．64％。杀虫双对稻纵卷叶螟防治效果较差，药后5d、12d防效分别为76．59％、67．32％。

The pesticide control effect experiment is carried out on five rice leaf roller pesticides. The results show that 15% Qiangnong EC, 2% Yebujuan （Avermectin）, 20% Kuaiqiangji EC and Tiannuogaojia present ideal control effect, five days after applying the pesticides the control effect ranging from 91.9495.16% and twelve days after applying the pesticides the control effect ranging from 91.96 to 98.64 %. The control effect of Dimehypo is worse and five days and twelve days after applying the pesticide the control effects are 76.59 % and 67.32 % respectively.