摘要
探索了生物农药2%苦参碱水剂不同剂量对十字花科蔬菜害虫菜青虫的防治效果,统计出虫口减退率及校正防效,结果表明生物农药2%苦参碱水剂对菜青虫防效良好,适宜使用剂量(商品量)为15～20 g/667 m^2。
The field experiment that bio-pesticide 2% matreine SL controlled Plutella xylostella （L.） was carried on in Shenyang east surberb in 2007. The result showed that 2% matrine SL gave better controlling against larva of P.rapae at more than 80% at the dosage of 15 g/667 m2）. Proper applied amount of the pesticide is 15-20g/667 m2.
出处
《世界农药》
CAS
2009年第6期34-35,共2页
World Pesticide
关键词
生物农药
菜青虫
防治效果
2%苦参碱水剂
bio-pesicide
Plutella xylostella （L.）
control effect
2% matreine SL
