枯萎病,是由一种镰刀菌所引起的病害,是黄瓜、西瓜、甜瓜等瓜类作物的一种毁灭性的病害。这种菌可以在土壤中和残株上生存8—10年,由病株、流水进行传播,因此重茬种植,发病就重。用瓜皮、瓜秧积肥上到地里,发病严重,在坡上种植,病菌可随流水污染坡下的土壤。这种病害,目前,尚无特效的药剂。采用轮茬效果虽好,但必须 Fusarium wilt, a disease caused by a Fusarium, is a devastating disease of cucumber, watermelon, melon and other melons. The bacteria can survive in the soil and stubble 8-10 years, spread by diseased plants, running water, so heavy cropping, the incidence of heavy. With melon, melon seedling fertilizer on the ground, the incidence of serious, planted in the slope, the bacteria can contaminate the slope with the running water of the soil. This disease, at present, no special effects of the agent. Although the use of stubble effect is good, but must