四种杀虫剂对梨上瘿螨的田间药效试验

The Control Effect of Four Insecticides to Epitrimerus pyri in Pear

应用4种药剂进行了梨上瘿螨的田间药剂防治,结果表明:施药14d后,0.2%爱诺虫清EC2000倍液、10%哒四螨悬浮液、15%哒螨灵EC和20%灭扫利EC2000、3000倍液可取得良好的防治效果,其防效均达99.1%以上。

Four insecticides were tested for Eriophyes pyri(Nalepa) in field, The result was as follows: all of them had good effects. And the control effect of 0.2% airuochongqing EC 2000,15% pyridaben EC, 10% clofentezine-pyridaben FF and 20% meothrin EC 2000, 3000 times dilution reached more than 99.11%.\;