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西瓜病害严重影响着西瓜的产量和质量,一直是果农头疼的问题。迁安市植保站以我市西瓜主产区赵店子镇的设施西瓜为试点,通过近三年来对设施西瓜的管理,摸索出了一整套设施西瓜的病害识别及防治技术,总结如下:一、细菌性角斑病症状:该病害主要发生在叶、叶柄、茎蔓、卷须及果实上。子叶得病生出圆形或不规则的黄褐色病斑;叶片上病斑初呈水渍状,后扩大并呈黄褐色、多角形病斑,有时叶背面病部溢出白色菌脓,后期病斑干枯,易开裂;茎蔓和果实上病斑
Watermelon diseases seriously affect the yield and quality of watermelon, fruit farmers have been a headache. Qian’an Plant Protection Station in the main watermelon town of Zhao Zhenzi watermelon as the pilot project, through the past three years on the management of facilities watermelon, worked out a set of facilities watermelon disease identification and prevention and control technology, concluded as follows: a , Bacterial horn spot disease symptoms: The disease occurs mainly in leaves, petiole, stem vine, tendrils and fruit. Cotyledons sick round or irregular yellowish brown spots; lesions on the leaves showed a water stain at the beginning, and then expanded and was brown, polygonal lesions, and sometimes leaves the back of the Ministry of disease overflow white pus, late lesions dry , Easy to crack; stalk and fruit on the lesion