我们于1983—1984年用武汉农药厂生产的3%呋喃丹颗粒剂,进行了根区埋药试验。结果表明对柑桔潜叶蛾、红蜘蛛等害虫有效。由于避免了药剂对天敌的杀伤,使药剂防治与天敌控制相互配合,共同作用,全年施药两次便控制了害虫的危害,从而降低了农药成本,节省了施药劳力。方法:每株开穴三处,将药剂分别施入穴内须根密集部位,然后盖 In 1983-1984, we used the 3% carbofuran granules produced in Wuhan Pesticide Factory to carry out the root zone drug embezzlement test. The results show that on the citrus leafminer, red spider pests and other effective. As pesticides are prevented from killing natural enemies, pesticide control and natural enemy control cooperate with each other and work together to control pests’ harmfulness twice a year, thereby reducing pesticide cost and saving labor. Methods: Three per plant open hole, the agents were applied to the points of dense fibrous roots, and then cover