桃小食心虫是果园中为害果实的重要害虫之一,历年都有发生。对果树生产危害较重。50%1605防治桃小的效果较好,故生产上多年来都以其作为防治桃小的主要农药品种。但该药有对人、畜毒性高,残效期较短等缺点,尤其近年来用户反映桃小对其抗性增强,防治效果降低。因此,筛选新农药取代之,已势在必行。1985年我们选用乙敌乳油进行防治桃小试验,取得较好成效,现将试验结果报告如下。 Peach Mung Beetle is one of the most important insect pests in fruit orchards, which have occurred over the years. Fruit trees produce more serious damage. 50% 1605 Peach prevention effect is better, so its production over the years as a major peach prevention and control of small varieties. However, the drug has the shortcomings of being highly toxic to humans and livestock and has a short residual period. In particular, in recent years, users have reported that peach resistance is enhanced and prevention and control effects are reduced. Therefore, screening of new pesticides to replace it is imperative. In 1985 we used B ene EC to control peach small test, achieved good results, the test results are reported below.