为了解决树木施药难的问题,这里介绍一种简单的施药法。此种方法经全国几个地区应用,初获成效。防治食叶性害虫,死亡率达100％;对红蜘蛛、蚜虫、蚧壳虫等刺吸式口器害虫,虫口减口减退率都接近100％。药效长达一个月。 In order to solve the difficult problem of tree application, here is a brief application method. This method by several areas of the country, initially achieved results. Prevention of leaf-feeding pests, the mortality rate of 100%; spider mites, aphids, scale insects and other sucking mouthparts insects, insects population mouth loss reduction rates are close to 100%. Efficacy up to one month.