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西瓜枯萎病和蔓枯病是西瓜的两种重要病害,分布普遍,发生严重,常因症状相似而不易辨别,造成防治混乱,影响防治效果。因此,生产上应特别注意识别,并采取有效的防治措施。症状识别枯萎病和蔓枯病在西瓜整个生育期都可发生,都可造成病茎干缩、萎蔫、干枯,最终枯死。枯萎病识别要点发病初期,中午气温升高时,从下部叶片开始,似失水状萎蔫,傍晚逐渐恢复,次日午间又表现萎蔫,并渐次向上部叶片发展。如此反复数次,发病快的植株一般2～3
Watermelon Fusarium wilt and gummy stem blight are two important diseases of watermelon. Their distribution is common and serious. They are often not easily distinguished due to similar symptoms, which causes confusion in prevention and control and affects the control effect. Therefore, production should pay special attention to identify and take effective control measures. Symptoms Identification Fusarium wilt and gummy disease can occur throughout the growing period of the watermelon, which can cause the stem to shrink, wilting, wilting and eventually withering. Fusarium Wilt Recognition Points Early onset, noon temperature rise, starting from the lower leaves, like watery wilting, gradually restored in the evening, the next day at noon showed wilting, and gradually to the upper leaves of the development. So repeated several times, the incidence of plants generally 2 to 3