不同药剂对女贞日本龟蜡蚧的防治效果

[目的]筛选出女贞日本龟蜡蚧在防治适期最理想的防治药剂。[方法]采用小区试验研究9种药剂对日本龟蜡蚧的防治效果及对女贞生长的影响。[结果]20%康福多2 000倍稀释液、25%吡蚜酮1 000倍稀释液、25%蚧死净500倍稀释液对上海海丰农场日本龟蜡蚧的防治效果最好,在85%以上,防治适期为卵孵高峰期。[结论]试验结果为女贞日本龟蜡蚧的有效防治提供了理论依据。

The Control Effect of Different Insecticides to Glossy Privet Ceroplastes japonicus

Objective] The aim was to screen out the optimal insecticide to control glossy privet Ceroplastes japonicus.[Method] By using plot experiment, effects of nine kinds of insecticide on controlling Ceroplastesja ponicus and glossy privet growth were studied.[ Result] 20%Confidor 2 000 times dilution, 25% Pymetrozine 1 000 times dilution, 25% Jiesijing 500 times dilution had best control effect on Ceroplastes japonicus in Haifeng farm, the control effect was above 85%, the optimal control period was in egg incubation period.[Conclusion] The re-sults can provide theoretical basis for effective control of glossy privet Ceroplastes japonicus.