疮痂病是温带的宽皮桔类气候型病害。在春季至初夏当气温15-24℃之间,又逢阴再多湿的气候为发病流行条件。而感病品种温州蜜柑、本地早等柑桔正处于梢叶勃发、开花坐果的幼嫩器官组织感病生育期与上述气候条件相吻合,则越冬休眠病菌孢子随风雨或机械人为传播,直接传染寄主罹病漫延。 防治方法 (1)冬季清园。即冬季采果后,彻底修剪、清除病枯枝落叶,再行全国喷施1-1.5度石硫合剂。(2)栽培管理。重施采果肥,控制春肥,避免春梢徒长,提高树体抗病力。(3)药剂防治。桔芽0.5厘米、花落前及幼果二次生理落果始期各喷药 The scab is a temperate, broad-bodied orange climate. In the spring to early summer when the temperature between 15-24 ℃, but also every wet and cloudy climate for the prevalence of morbidity conditions. The susceptible varieties of Wenzhou Satsuma, the local early citrus is at the tip of the leaf blossoming, flowering and fruiting young organ tissue susceptible growth period consistent with the above climatic conditions, the overwintering dormancy bacteria spores with the storm or mechanical transmission, direct infection Host sick spread. Prevention methods (1) Winter Qingyuan. After the winter pomelo fruit picking, completely pruning, clearing disease litter, and then the country spray 1-1.5 degrees lime sulfur mixture. (2) cultivation and management. Re-implementation of fruit fertilizer to control spring fertilizer, to avoid the spring-only growth, improve the resistance of the tree. (3) Pharmacy control. Orange buds 0.5 cm, before the flowering and young fruit secondary physiological drop fruit of the spraying