黄瓜枯萎病俗称蔓割病,是真菌性的镰刀菌病害。上海郊区常于5月中旬至6月上旬,低温(18～24℃)高湿条件下大量发生。病株根基缢缩腐烂,枯萎至死,一般减产20～30％,严重的减产80～90％,甚至无收。枯萎病以往在郊区仅只另星发生,并不造成明显危害。一九六八年以来,蔓延迅速,已成为影响黄瓜产量的主要病害,而且冬瓜受害也在逐年增加。 Cucumber wilt disease commonly known as spore disease, is a fungal Fusarium disease. Shanghai suburbs often in mid-May to early June, low temperature (18 ~ 24 ℃) under a lot of high-humidity conditions. The diseased plants are basically decayed and decayed, withered to death, with a general reduction of 20-30%, a serious reduction of 80-90% or even no yield. Fusarium wilt in the suburbs in the past only a separate star does not cause significant harm. Since 1968, the rapid spread has become a major disease affecting the yield of cucumber, and the damage of winter melon is also increasing year by year.