２５％扑蚜净防治苹果蚜效果好苹果蚜俗称苹果黄蚜，主要为害苹果、梨及其砧木，也为害山植、桃等果树。近几年由于苹果蚜对氧乐果、氯氰菊酯等农药产生抗性，同时瓢虫、草蛉等食蚜天敌被大量杀灭，苹果蚜发生呈上升趋势，筛选新农药显得尤为重要。１９９５年我们用２５％... 25% flounder aphid control effect of aphids apple aphid Apple aphid commonly known as apple aphid, the main damage to apples, pears and their rootstocks, but also for mountain plants, peaches and other fruit trees. In recent years, due to the apple aphid resistance to omethoate, cypermethrin and other pesticides, while ladybugs, grasshoppers and other natural enemies of aphids were massively killed, the occurrence of apple aphids is on the rise, screening of new pesticides is particularly important. In 1995 we used 25% ...