危害四川柑桔的主要病虫,普遍发生的有疮痂病、炭疽病、黑斑病、潜叶蛾、害螨类和蚧类;局部发生的有溃疡病、黄龙病、裂皮病、衰退病、碎叶病、茎孔病、实蝇类;造成不同程度的落叶、落果、枯枝、树势衰退、果质变劣,产量损失常在20%以上,年需喷药6—10次,亩用农药费20元左右。但对溃疡病、黄龙病等检疫对象,尚无有效防治药剂,成为安全发展柑桔生产亟待解决的 Harm the main pests and diseases of Sichuan citrus, the common occurrence of scab disease, anthracnose, black spot, leaf moth, pest mite and scale class; locally occurring ulcer disease, Huanglongbing, split skin disease, recession , Resulting in different degrees of deciduous, deciduous, dead branches, tree decline, deterioration of fruit quality, yield loss often more than 20%, the annual need to spray 6-10 times, mu About 20 yuan with pesticides. But for the ulcer disease, Huanglong disease and other quarantine objects, there is no effective prevention and treatment of agents, a safe development of citrus production to be solved