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1、症状识别幼苗和成株期都可发病,危害叶、茎和果实,且以成株期的青果和叶受害为重。幼苗染病,病斑由叶片向主茎蔓延,使茎变细并呈黑褐色,致全株萎蔫或折倒;叶片染病,多从植株下部叶缘开始发病,初为暗绿色不规则形水浸状病斑,后若湿度较大,可在叶背面病部长出白霉;茎染病,病斑呈黑褐色腐败状,引致植株萎蔫;果实染病,主要发生在青果上,病斑初呈油浸状暗绿色,后变成暗褐色至棕褐色,稍有凹陷,边缘明显,云
1, Symptoms Identify young plants and adult plants can be disease, endanger the leaves, stems and fruits, and adult plants and fruit damage as the most important. Seedlings infected with lesions spread from the leaves to the main stem, so that the stem becomes thin and dark brown, resulting in whole plant wilt or fold down; leaf disease, and more from the lower edge of the plant began to disease, the beginning of the dark green irregular water immersion Like the lesion, if the humidity is greater, in the leaves of the Minister of disease white mold; stem disease, spot was dark brown corruption, leading to plant wilting; fruit infection, mainly in the fruit, the lesion was initially immersed in oil Dark green-like, after turning into a dark brown to tan, slightly concave, the edge is obvious, clouds