几种杀虫剂防治甘蓝烟粉虱田间药效试验研究

The Field Trial of Several Insecticides against Bemisia tabaci(Gennadius)on Cabbage(Brassica oleracea)

以期为烟粉虱的防治提供参考,比较了几种不同类型杀虫剂对甘蓝烟粉虱的田间防治效果,结果表明:10%烯啶虫胺、25%阿克泰、10%吡虫啉、1.8%害极灭和25%吡蚜酮对烟粉虱均具有较好的防治效果,9d后的防效分别达到89.57%、96.11%、76.56%、90.52%、88.68%。25%扑虱灵、4.5%高效氯氰菊酯、2.5%高效氯氟氢菊酯和40%毒死蜱对烟粉虱的防效较差,已失去对烟粉虱的有效防治。

The toxicity of several insecticides on Bemisia tabaci is determined in this test,so as to provide the reference for prevention and control of Bemisia tabaci.The results show that 10% nitenpyram AS,25% thiamethoxam WG,10% imidacloprid WP,1.8% abamectin EC and 25% pymertrozine WP have good control effect on Bemisia tabaci. The control effects are 89.57%,96.11%,75.56%,90.52%,88.68% respectively after 9-day treatment.The control effects of 25% buprofezin WP,4.5% Beta-cypermethrin EC,2.5%cyhalothrin WP,and 40%chlorpyrifos EC are bad.They cannot be used for prevention and control against Bemisia tabaci.