近年来,一些地区发生葡萄烂果现象日趋严重,据调查了解,葡萄烂果的原因:(一)病菌感染。一般引起葡萄烂果的主要病害有白腐病、炭疽病、特殊年份也有黑腐病;(二)营养不良,树势衰弱,偏施氮肥,缺少钾、钙、微量元素,或挂果过多、负载量大,致使植株长势弱,降低了抗病能力;(三)气候潮湿,夏剪 In recent years, the phenomenon of rotten fruits in some areas is becoming more and more serious. According to the investigation, the reasons for rotting fruits are as follows: (I) Pathogen infection. (2) Malnutrition, frail weakness, partial nitrogen fertilizer, the lack of potassium, calcium, trace elements, or fruiting too much, the main cause of grape rotten diseases are white rot, anthracnose, Large load, resulting in weak plant growth, reducing disease resistance; (C) humid climate, summer cut