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桃缩叶病系真菌性病害。该病在低温高湿的条件下易发病流行 ,管理粗放的园片感病严重。1 .危害症状 桃缩叶病主要危害新梢部的叶片 ,也危害新梢、花和幼果。受侵害的叶片 ,呈红褐色 ,整个叶片扭曲皱缩 ,厚度增大且易破碎。病梢的节间明显变短 ,感病部位呈黄色、粗肿似瘤。花感
Peach leaf disease is a fungal disease. The disease is prone to morbidity in the conditions of low temperature and humidity, the extensive management of the park is seriously ill. 1. Harmful symptoms peach leaf disease the main tip of the new shoots, but also endanger shoots, flowers and young fruit. Affected leaves, reddish brown, the entire leaves twisted and shrunken, thicker and fragile. Internode lesions significantly shorter, the affected area was yellow, swollen tumor. Flower feeling