防治梨木虱的高效农药及使用技术中国梨木虱是我国梨树上的重要害虫，以成虫和若虫为害嫩芽、嫩梢和叶片。若虫有隐蔽性，并分泌粘液覆盖虫体，给防治带来一定困难，还污染叶、果，容易引起大量落叶和降低果品质量。以往防治梨木虱使用对硫磷和氧化乐果虽有一定效果，但在... Pesticide Pest Control and Utilization Techniques Pear lice is a pest in China, an important pest insects, nymphs and young shoots, shoots and leaves. Nymphs are hidden, and secretion of mucus-covered worms, prevention and control to bring some difficulties, but also pollution of leaves, fruits, easily lead to a large number of leaves and reduce fruit quality. In the past, pear paracetamol was used to control parathion and omethoate although it had some effect, but in ...