近年来，南瓜病害发生普遍，危害严重。病害流行年减产１５％～２０％，严重者可达６０％以上。因此，必须加以防治。１．农业防治合理轮作，不重茬种植；土壤要深翻和冻垡，低洼处雨后及时清沟排渍，以提高土壤的保水肥能力和土壤通透性；配方施肥，促进南瓜根系生长，提高南 In recent years, the occurrence of pumpkin disease widespread, serious harm. Diseases epidemic cut 15% to 20%, in severe cases up to 60%. Therefore, we must prevent it. 1. Agricultural rotation and reasonable rotation, do not crop planting; soil to deep plowing and frozen 垡, low-lying rain and timely drainage ditches in order to improve soil water retention capacity and soil permeability; formula fertilization to promote the growth of pumpkin roots and improve south