1.8%苦参碱·阿维菌素乳油防治甘蓝小菜蛾药效试验

Efficacy test of 1.8% Matrine·Abamectin EC against Plutella xylostella L. on cabbage

1.8%苦参碱·阿维菌素乳油防治甘蓝小菜蛾的田间药效试验结果表明:其对甘蓝上小菜蛾具有良好的防治效果。田间每667 m2喷施该药剂30 g后7 d,小菜蛾的校正死亡率达到80%以上,显著优于对照药剂1.8%阿维菌素乳油20g和0.36%苦参碱水剂60 g的防治效果,说明1.8%苦参碱·阿维菌素乳油在蔬菜生产上具有良好的应用前景。

The results of filed efficacy test of 1.8% Matrine-Abamectin EC againat Plutella xylastella L. showed that it had a good effect on Plutella xytostella L. on cabbage. After 7 days of spraying 30g/667m^2,the correction mortality of Plutella xylostella L. was upwards 80%, and it was ohviously better than the effect of 2Og/667m^2 of 1.8% Abamectin EC and 20 g/667m^2 0.36% Matrine AS. The results indicated that 1.8% Matrine-Abamectin EC had a good prospect on the vegetable production.