玉米蚜虫药剂筛选试验

为了筛选出防治玉米蚜虫有效的杀虫剂，通过先后进行室内毒力测定与田间药剂试验的方法，测试了9种药剂对玉米蚜虫的防治效果。结果表明：9种药剂对蚜虫都有明显效果，但其中前6种防治效果相对较高，将此6种药剂进行田间防治试验，得出25%噻虫嗪WG1000倍液防效达96.79%，其次为5%啶虫脒WP1000倍液和10%吡虫啉WP500倍液，可以在玉米蚜虫防治中广泛应用。

In order to screen the effective insecticide of maize aphid,the control effect of 9 kinds of pesticides on the corn aphid was tested by the method of indoor toxicity determination and field drug tese.Results show that the nine agents have obvious effect on aphid,but the former 6 kinds of prevention and control effect is relatively high,the 6 kinds of drugs for prevebtion and control of the field tese,it is concluded that 25%thiaethovam oxazine WG1000times liquid control effect of 96.79%,followed by 5%totally worm amidine WP1000liquid and 10%imidacloprid WP500 times liquid,can be widely used in the prevention and control of corn aphids.