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应用7种药剂不同浓度防治芥蓝小菜蛾(Plutella xylostella Linnaeus)。结果表明:0.5%甲氨基阿维菌素苯甲酸盐乳油防效最好,速效性和持效性都较好;1.8%阿维菌素乳油、0.3%印楝素乳油、10%除尽悬浮剂、5%氟铃脲乳油和5%氟虫腈悬浮剂等药剂的防治效果也较好,持效期7d左右;生产上防治时可轮换或混合使用。
Seven different doses of the agent were used to control Plutella xylostella Linnaeus. The results showed that: 0.5% emamectin benzoate EC had the best control effect and fast-acting effect; 1.8% abamectin EC, 0.3% azadirachtin EC, 10% Suspension, 5% hexaflumuron EC and 5% fipronil suspension and other agents control effect is also good, persistence of about 7d; production control can be rotated or mixed use.