花椰菜软腐病俗称烂菜花,是花椰菜的一种主要病害,可为害花椰菜的花球、花梗、叶柄以及茎部。受害重的田块产量损失高达40%~50%。夏季栽培发生严重,发病高峰期在7月下旬至8月中旬。生产上久旱遇雨,或蹲苗过度、浇水过量、地下害虫多都会造成发病,反季节栽培时遇高温发病重。一、症状识别多在花椰菜生长中后期发病,特别是花球形成期发生,常见到有些植株老叶发黄萎垂,细看可见花球基部或茎基部变褐、湿腐,中下部叶片在中午呈现失 Cauliflower soft rot, commonly known as rotten cauliflower, is a major disease of cauliflower that can damage flower brome, peduncle, petiole and stem of cauliflower. Victims of the loss of field production up to 40% to 50%. Severe summer cultivation, the peak incidence in late July to mid-August. Long drought in the production of rain, or squatting over, excessive watering, underground pests and more will cause disease, anti-season cultivation of high temperature incidence. First, the symptoms of identification and more cauliflower in the late growth of disease, especially in the formation of flower ball occurs, it is common to some plants old leaves withered, we can see the base of the bulbs or stem base brown, wet rot, the lower leaves in the Loss at noon