1发生症状棚室尖椒根腐病,多发生在定植后的营养生长期。起初尖椒苗下部叶片萎蔫,逐步向上部叶片发展。一般白天萎蔫,傍晚至次日早晨恢复,症状反复数日后,叶片全部萎蔫,但叶片仍呈绿色。病株的根茎部及根部皮层呈淡褐色及深褐色腐烂,极易剥离露出木质部。横切茎可见微管束变褐色,湿度大或生育后期茎基部或根茎部腐烂,后期潮湿时可见病部长出白色至粉红色霉层,即病菌分生孢子。 1 symptoms of greenhouse pepper root rot, occurs in the vegetative growth after planting. At first, the lower leaves of Jianjiao seedlings wilted and gradually developed into the upper leaves. Generally wilting during the day, evening to the next morning recovery, the symptoms repeated several days later, all the leaves wilting, but the leaves are still green. Rhizome root and root cortex pale brown and dark brown decay, easy to peel exposed xylem. Transverse stalk visible microtubule bundles brown, humidity or post-growth stem base or root rot, the late wet lesions visible white to pink mildew, that is, bacteria conidia.