1　杨梅赤衣病　赤衣病是由伏革菌中的 Corticinmsaimonicolor Berk侵入引起。病菌在病枝组织中越冬 ,菌丝生长温度为 10～ 30℃ ,最适 2 5℃。次年春季向四周扩展 ,同时在老病灶边缘或病枝干阳面产生红色菌丝 ,孢子成熟后随雨水传播。孢子从伤口侵入 ,一般 3月初始发 ,5～ 6月 1 Myrica rubra disease red clover disease is caused by invade Corticinmsaimonicolor Berk. Pathogens wintering in diseased branches, mycelium growth temperature is 10 ~ 30 ℃, the optimum 25 ℃. The following spring extended to the four weeks, at the same time in the edge of the old lesion or diseased branches produce red mycelium, spores mature with rain spread. Spores invade from the wound, usually the beginning of March, 5 to 6 months