氧化乐果与敌敌畏乳油混剂防治华山松大小蠹试验报告

Experiment Report on the Use of Mixture of Omethoate and Dichlorvos Emulsifiable Concentrates to Control Armand Pine Beetle

选择初侵染木作为防治对象,使用农药氧化乐果与敌敌畏乳油混剂(1),采取打孔注药法对华山松树体内大小蠹虫进行了防治试验。结果表明,施药浓度为30-35倍液,其杀虫率可达85%以上,防治效果较好。

The early infected trees were used as experiment subject. Mixture of Omethoate and Dichlorvos emulsifiable concentrates were injected into the trees to control armandi pine beetle. The result showed that the concentration of the mixture at dilution of 30 to 35 times produced 85% of control effect.