黄瓜枯萎病又叫蔓割病、萎蔫病,是黄瓜的主要病害之一。在河北中南部,以温室、大棚黄瓜和露地春黄瓜发生较重,夏、秋黄瓜发生较轻。一、症状本病的典型症状是萎蔫。发病初期,病株表现为叶片从下向上逐渐萎蔫,似缺水状,中午萎蔫下垂,但早晚可恢复。发病后期整株叶片枯萎下垂不能恢复常态,茎蔓基部稍缢缩,病株 Cucumber wilt, also known as forage disease, wilt disease, is one of the major diseases cucumber. In central and southern Hebei, the greenhouse, greenhouse cucumber and open field spring cucumber heavier, summer, autumn cucumber occurred lighter. First, the symptoms The symptoms of this disease are wilting. Early onset, the performance of diseased leaves gradually wilting from the bottom up, like water shortages, noon wilting sagging, but sooner or later recovery. After the onset of the whole plant withered leaves withered sagging can not be restored to the normal, stalk base slightly constricted, diseased