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黄瓜靶斑病是半知菌的棒孢菌引起的一种真菌性病害,又称“黄点子病”。发病初期为黄色水浸状斑点,直径约1毫米左右。发病中期病斑扩大为圆形或不规则形,易穿孔,叶正面病斑粗糙不平,病斑整体褐色,中央灰白色、半透明。后期病斑直径可达10~15毫米,
Cucumber target spot disease is a fungus disease caused by Cercospora sp., Also known as “yellow-spot disease”. Early onset of yellow-like flooding-like spots, about 1 mm in diameter. Mid-lesion expansion to round or irregular shape, easy to perforation, the front of the leaf spot rough, spot brown overall, central gray, translucent. Late lesions up to 10-15 mm in diameter,