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品种选用抗病力强的品种。种子处理在无病区、无病田,或无病植株上留种,防止种子带菌。在催芽前应对种子进行消毒处理,以消灭携带病菌。常用的方法有:温汤浸种,用55℃的温汤浸种15分钟,后移入冷水中浸种催芽。用福尔马林的100倍液浸种30分钟,后洗净催芽;或用50%代森铵500倍液浸种1小时后,捞出洗净催芽。轮作与非瓜类作物实行3年以上的轮作。
Selection of varieties of strong disease resistance varieties. Seed treatment in the disease-free zone, disease-free fields, or disease-free plant species to prevent seed carryover. Seeds should be sterilized prior to germination to eliminate carry germs. Commonly used methods are: soaking warm soup, soaking 55 ℃ warm soup for 15 minutes, then moved into cold water soaking germination. Soaked with formalin 100 times for 30 minutes, then washed germination; or 50% ammonium thiamine 500 times soaking 1 hour, remove and wash germination. Rotation and non-melon crops for more than 3 years of rotation.