苹果树腐烂病的防治韩全喜，姜婷，王彦伶腐烂病多发生在苹果树干、大枝和杈桠部分。病斑初为红褐色、水浸状，稍隆起，多为椭圆形，质地柔软，皮易剥落，凹陷，并发生黄褐色汁液。有浓厚酒精气味。发病后期，渐面缩陷，呈黑褐色。天气潮湿时，由小黑点中发出黄丝状卷曲的... Prevention and treatment of apple tree rot disease Han Quanxi, Jiang Ting, Wang Yanling Rot disease occurs in the apple tree trunk, branches and twigs. Lesions early as reddish brown, flooded, slightly elevated, mostly oval, soft texture, easy to peel the skin, depression, and the occurrence of brown juice. There is a strong smell of alcohol. Late onset, depression depression, dark brown. The weather is wet, issued by the small black spots yellow filamentous curly ...