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1、症状 该病主要发生在草坪草的叶片上,严重时也侵染草茎。发病初期,叶片上下表皮均可出现疱状小点,以后逐渐扩展,形成圆形或长条状的黄褐色病斑,发病严重时,整个叶片枯黄、卷曲干枯。
1, the symptoms of the disease occurs mainly in the turf grass leaves, also infected grass stems in severe cases. Early onset, the upper and lower leaves epidermis blistery spots may appear, and later gradually expanded to form a round or long strip of brown spots, the incidence is severe, the entire leaves yellow, curly dry.