Bt与锐劲特混用防治水稻二化螟的效果评价
Control efficacy of striped rice borer with mixture of Bt and Regent.
范仰东;莫小平
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DOI:10.7679/j.issn.2095-1353.2001.093
作者单位:浙江省瑞安市植保站,325200
中文关键词:Bt;锐劲特;混用;防治;二化螟
英文关键词:Bt;Regent;mixture;control;Chilo suppressalis(Walker)
中文摘要: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Bt25g加锐劲特 15mL ,防治第 1,3代二化螟 ,适期在 2~ 3龄幼虫盛期 ,一般情况下 1次施药即能控制全代二化螟的危害.
英文摘要: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/667m2 and Regent 15mL/667m2 one time,and the optimum t