10种杀虫剂对花椰菜鳞翅目主要害虫的防治效果

Control Effects on Ten Kinds of Pesticides on Lepidoptera Pests in the Cauliflower Field

为筛选防治花椰菜鳞翅目主要害虫的有效药剂,2018年开展田间防治试验。结果表明,16%虫肼·茚虫威乳油和35%甲氧·茚虫威悬浮剂速效性和持效性良好,药后1d、10d防效均大于85%。11%甲维·虱螨脲微乳剂、10亿PIB/mL苜蓿银纹夜蛾核型多角体病毒悬浮剂和10%顺式氯氰菊酯·虱螨脲乳油的持效性较好,其药后10d的防治效果均大于90%。推荐使用茚虫威和虫酰肼、甲氧虫酰肼的复配制剂防治花椰菜鳞翅目害虫。

To srreen out effective insecticides against lepidoptera pests in cauliflower field,field trials were carried out with ten kinds of pesticides.The results showed that indoxacarb+tebufenozide 16%EC and methoxyfenozide+indoxacarb 35%SC had quick bioactivity and persistence,the control effects on the first and 10th day were more than 85%.Emamectin benzoate+lufenuron 11%ME,autographa californica NPV one billion PIB/mL SC and alpha-cyperme-thrin+lufenuron 10%EC could control lepidoptera pests effectively,the control effects on the first day after apraying were more than 90%.Indoxacarb+tebufenozide 16%EC and methoxyfenozide+indoxacarb 35%SC were suitable to be applied to lepidoptera pests in the cauliflower field.