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黄瓜“倒蔓”,也有人叫“割根”、“割蔓”。黄瓜得这种病后,靠近地面的根茎象开水烫了一样,开始,叶片白天萎蔫,晚上恢复,随后根茎瘦缩腐烂,全株枯萎死亡;有的在瓜蔓上得病,使前半部枯死。病害发生的一般情况是:定植不久(四月底至五月上旬),个别低洼处的瓜蔓先死,群众叫“死零条条蔓”。结瓜前后,(五月下旬至六月中旬)随着浇水催瓜或暴雨飞溅,病害向邻畦蔓延,不用多久,便整畦、整片、甚至全田瓜蔓枯萎死亡,损
Cucumber “down down”, but also someone called “cut root”, “cut Man.” After the cucumber gets sick, the rhizome near the ground is scalded like boiling water. At the beginning, the leaves are wilting during the day and recovering at night. Afterwards, the rhizome is thin and rotten, and the whole plant withers and dies; some get sick on melon and make the first half die. The general situation is: planting soon (from the end of April to early May), some low-lying melon die first, the crowd called “dead and wilting.” Before and after the fruiting of the melon, the watermelon or torrential rains sprinkled over the water (late May to mid-June) and the disease spread to neighboring neighbors. Before long, the whole plant was wilted and the entire piece of melon was wilted and wilted