新型杀虫剂夜蛾必杀对甜菜夜蛾等4种害虫的药效

Effect of Pyrethroid Insecticide on Four Species of Vegetable Pests

通过室内测定和田间药效试验证明，高效、低毒新型拟除虫菊酯杀虫剂５％夜蛾必杀乳油和菊酯伴侣（强力渗透剂）配套使用对甜菜夜蛾具有十分明显的防治效果；室内测定还表明，该药剂对菜青虫。

Synergistic alphacypermethrin 5% EC,a nwe type insecticide has low toxicity and high efficiency. It was used together with strong penetrant to control Laphygma exigua through indoor toxicity evaluation and field test,the results showed that the fast and residual effect were better than others tested. It can be used as best insecticide to control Pieris rapae (L.), Plutella xglostella (L.) and vegetable aphids.