几种杀虫剂对十字花科蔬菜桃蚜与萝卜蚜田间药效比较

Efficacy of Several Insecticides on the Control of Myzus persicae and Lipaphis erysimi

高效氯氰菊酯、毒死蜱、硫双灭多威对桃蚜与萝卜蚜防治效果差异较大,对桃蚜最高防效分别为41.40%、52.83%、22.08%,而对萝卜蚜最高防效分别为91.14%、99.83%、77.14%;吡虫啉、啶虫脒对桃蚜及萝卜蚜都表现出良好的防治效果,且较为接近。建议在杀虫剂特别是常规性杀虫剂的登记管理、厂家推荐、菜农选择过程中,应对菜蚜的不同种类予以区别对待。

The efficacy of beta-cypermethrin 4.5%EC chlorpyrifos 48%EC and thiodicarb 75%EC on the control of Myzus persicae （Sulzer） and Lipaphis erysimi （Kahenbach） were tested.The maximum efficacy on Myzus persicae were 41.40%, 52.83%, 22.08%, but 91.14%,99.83%, 77.14% on Lipaphis erysimi respectively.Imidacloprid 10%WP and acetamiprid 20% SP had belier efficacy on lhe control of Myzus persicae, and Lipaphis erysimi.So different kinds of vegetable aphids should use different pesticides.