苹果树腐烂病的防治,多年来人们只重视春季防治,却忽视了秋季防治,导致该病复发率高,不能彻底根治,但根据腐烂病的发病规律,把春季一次刮治用药改为秋季防治为主,结合春季防治,并对大病斑进行桥接,可收到良好的防治效果。一、发病规律苹果腐烂病病菌为弱寄生真菌,以菌丝体、分生孢子器、分子孢子角在树皮上越冬,病菌孢子靠雨水飞溅传播危害。夏季是苹果树活跃生长期,不利于病菌扩展致 Apple tree rot disease prevention and control, over the years people only focus on spring control, but ignored the fall prevention and control, leading to high recurrence rate of the disease can not be completely cured, but according to the pathogenesis of rot disease, the spring cure once to autumn cure Based, combined with the prevention and treatment of the spring, and bridge the big lesion, can receive good control effect. First, the incidence of pathogens Apple rot disease is a weak parasitic fungi, with mycelium, conidia, molecular spore angle in the bark overwinter, spores of bacteria spread by rain splash hazards. Summer is the active growth of apple trees, is not conducive to the expansion of germs caused