防治西瓜枯萎病西瓜枯萎病是一种毁灭性的土传真菌病害。实践证明:在有枯萎病发生的地块,分别在西瓜播种、幼苗、伸蔓３个时期,用５００～６００倍液灌根,治愈率可达８０%～９０%。防治辣椒枯萎病在辣椒大田生长期,用高锰酸钾５００倍液灌根,可预防枯萎病发生。如果枯萎病已经 Watermelon wilt prevention and control Watermelon wilt disease is a devastating soil borne fungus disease. Practice has proved that in the plots where blight occurs, watermelon is irrigated with 500 to 600 times in three stages of planting watermelon, seedling and spreading vine. The cure rate can reach 80% -90%. Prevention and treatment of pepper blight in pepper growing season, 500 times with potassium permanganate irrigation, can prevent the occurrence of blight. If the blight has been