10%阿维·毒乳油防治小菜蛾田间药效试验

Effects of 10% mixture EC of avermectin and chlorpyrifos on controlling diamondback mothPlutella xylostella(L.) in field

应用10%阿维·毒乳油防治小菜蛾幼虫,药效迅速,1d后即取得很好的防治效果且持效期较长,对甘蓝生长无不良影响,施药后植株生长正常.比2种对照药剂增效作用非常明显.试验结果表明,10%阿维·毒乳油是防治小菜蛾的较理想药剂之一,建议用量为每公顷600～900ml.

Applying 10% mixture EC （emulsifiable concentrate） of avermectin and chlorpyrifos to control the larvae of diamondback moth （ Plutella xylostella （L.））, the effect was very rapid and obvious for one day after applying and lasting for a long time, It had no adverse effect on the growth of cabbage after application, and the effect was much better than the other two control chemicals, The results showed that 10% mixture EC of avermectin and chlorpyrifos was one of the best chemicals to control diamondback moth （ Plutella xylostella （L.）） and the recommended dose was 600-900ml per hectare.