西瓜枯萎病是由西瓜尖镰孢菌侵染引起的土传病害。由于该病菌在土壤中存活期长达６年，种子带菌率高，如遇连作地、连阴天，极易诱发此病，并在坐瓜期迅速扩展，严重影响西瓜的产量和品质，目前早春西瓜病害仍依赖于化学防治，为探讨最佳施药方式及选择有效药剂，于１９９８～ Watermelon Fusarium wilt is caused by watermelon Fusarium infection caused by soil-borne diseases. As the bacteria in the soil survival of up to 6 years, the high rate of seed carrier, in case of continuous operation, even the cloudy, easily induced disease and rapid expansion in the sit melon period, seriously affecting the yield and quality of watermelon, the current Early spring watermelon disease is still dependent on chemical control, in order to explore the best mode of application and select an effective agent, in 1998 ~