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枯萎病又称蔓割病,发病后叶片从下向上逐渐萎蔫,严重时3—5天全株死亡。幼苗期发病多在茎下部,病部油浸状,后变黄褐色稍凹陷,表皮龟裂,常分泌出黄褐色树脂状物,病部绕茎一周而折断。成株茎上病部表皮黄白色枯干,潮湿变黑褐色,密生黑点,叶片全枯至死。这种病在棚室内由于多年连作,发病最为严重,可达20一80％,这是真菌中子囊菌所引起的病害,防治这种病最好的方
Fusarium, also known as vineyards, after the onset of the disease gradually wilting from the bottom up, 3-5 days in serious cases whole plant died. Sapling disease mostly in the lower part of the stem, the Ministry of oil-like, after a little depression into the brown, epidermal cracking, often secreted brown resin, diseased part of the week around the break. Stems of adult plant epidermis yellowish white withered, damp brown, dense black spots, the leaves withered to death. This disease in the studio as a result of years of continuous cropping, the most serious incidence, up to 20-80%, which is caused by fungal ascosporosis disease prevention and treatment of this disease is the best side