苹果腐烂病——苹果最重要的枝干病害。于10月在皮层上形成的坏死斑,冬季缓缓扩展,明年春季有一部分可能扩展成为腐烂病斑。病斑内外的病菌进入越冬期,成为明年发病的基础。11月份全园喷一次40%福美胂100倍液,可杀死坏死斑中的病菌,大大减轻来年的病害。轮纹病——是苹果最重要 Apple rot disease - Apple’s most important branch disease. The necrotic spot that forms on the cortex in October slowly expands in winter and may partially expand into a decay lesion next spring. Pathogenic bacteria inside and outside the winter, as the basis for the onset of next year. In November the whole garden sprayed a 40% arsenic arsenic 100 times, can kill necrotic lesions in bacteria, greatly reducing the disease of the coming year. Spurring - the most important apple