苹果黄蚜防治一法我们把４０％氧化乐果乳油、８０％敌敌畏乳油与水以１：１：８００的比例配成药液，于黄蚜发生盛期全园细致喷洒一遍，特别是重喷叶背面。用药后第三天观察，防治效果达９５％以上。请注意药液要随配随用，不能久置，以免降低药效。林彦波苹果黄蚜防治一... Apple aphid control a law We 40% omethoate EC, 80% dichlorvos EC and water to the ratio of 1: 1: 800 dubbed the liquid medicine, the yellow aphid in the peak of the park carefully spray it again, especially heavy spray Leaf back. The third day after treatment, prevention and control of more than 95%. Please note that with the liquid medicine to be used with, not long set, so as not to reduce the efficacy. Lin Yanbo Apple yellow aphid a ...