摘要
Bt与锐劲特混用对水稻二化螟有较显著的防治效果。每 667m2 用Bt2 5g加锐劲特 1 5mL ,防治第 1 ,3代二化螟 ,适期在 2~ 3龄幼虫盛期 ,一般情况下
Mixture of Bt and Regent is effective in the control of striped rice borer, Chilo suppressalis (Walker).The whole generation could be controlled by using mixture of Bt 25g/667m 2 and Regent 15mL/667m 2 one time,and the optimum time for controlling first or third generation was during peak of 2~3 instar larvae.
出处
《昆虫知识》
CSCD
北大核心
2001年第4期273-275,共3页
Entomological Knowledge
关键词
BT
锐颈特
混用
防治
二化螟
水稻害虫
Bt,Regent,mixture,control, Chilo suppressalis (Walker)