三种有机磷杀虫剂防治桑树螟虫效果及对家蚕的安全性研究

The study of three organophosphor pesticides’effect in controlling mulberry phralidid caterpiller and their safety on silkworm

选择50%二溴磷乳油、40%乐果乳油、80%敌敌畏乳油进行防治桑树螟虫的田间药效试验,研究药剂对螟虫的防效以及药剂处理桑叶对家蚕的安全性。结果表明,三个药剂对螟虫具有良好防效,宜在药后7d以后采桑养蚕。

50% naled milk-oil,40% Rogor milk-oil and 80% DDVP milk-oil were selected for an experiment of controlling mulberry phralidid caterpillar to study the pesticide effect and their safety on silkworm.The results show those pesticides have good controlling effect,which should be applied 7 days before leaves collecting.