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梨与苹果轮纹褐腐病为东方独有的仁果病害,在我国东北、山东、四川等地发生普遍,近年来已成为北方梨及苹果苗木上主要病害之一,现已日渐扩大蔓延,个别地区受害程度不次于腐烂病(Valsa mali,Valsa abiens)。此病又称为疣皮病,瘤状粗皮病。寄主除梨及苹果外,木瓜亦可受害,主要侵害枝干,果实,而叶部受害的情况见。此菌于明治四十年在日本兴津园艺试验场内发现,以后到处发生,其中以日本的静冈,爱
Pear and apple round grain brown rot disease is the only pest disease in the East. It occurs universally in Northeast China, Shandong and Sichuan, and has become one of the major diseases on northern pear and apple seedlings in recent years. In some areas, the disease is not as bad as Valsa abiens (Valsa mali, Valsa abiens). The disease, also known as warts disease, tumorous skin disease. In addition to the host pear and apple, papaya can also suffer, mainly infringed the branches, fruits, and the leaves of the victims see the situation. The bacteria in the Meiji 40 years in Japan Xingjin horticultural test site found in the future occurred everywhere, including Japan’s Shizuoka, love