柑桔病虫冬季防治的主要对象是:炭疽病、疮痂病、脚腐病和流胶病及柑桔红、黄蜘蛛、锈壁虱、矢尖蚧、吹绵蚧、红蜡蚧、天牛、吉丁虫、大实蝇、花蕾蛆、潜叶蛾、卷叶蛾等病虫。防治的措施有: 一、施足基肥、恢复树势,提高树体抗病虫能力每采摘100公斤果实,要消耗0.6公斤氮,0.11公斤磷及0.4公斤钾,采果后(或采果前10—15天)应及时补肥,其施肥量约占全年的一半。绿肥、堆肥、牛 Citrus pest control in winter are the main objects: anthracnose, scab, foot rot and mellitus and citrus red, yellow spider, rust ticks, Agkistrodon, blowing cotton scales, red wax scale, Celastrus , Jilin bug, fruit fly, bud maggot, leaf moth, leaf roller and other pests. Prevention and control measures are as follows: First, the application of foot-based fertilizer to restore the tree vigor and improve the resistance to pests and diseases of trees Each picking 100 kg of fruit, to consume 0.6 kg of nitrogen, 0.11 kg of phosphorus and 0.4 kg of potassium, after harvesting fruit 10-15 days) should promptly make up fertilizer, the amount of fertilizer accounts for about half of the year. Green manure, compost, cow