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一、病害防治1.细菌性穿孔病主要危害叶片,也能侵害果实和新梢,叶片发病时,有水渍状小斑点,扩大后成为圆形、多角形不规则的黑褐色斑点,直径2毫米左右,后病斑干枯,边缘发生一圈裂纹,形成穿孔,病叶早期脱落。果实发病时,果面上产生褐色小圆斑,稍凹陷,空气湿度大时,病斑上常出现黄白色粘质分泌物。
First, the disease prevention and control 1. Bacterial perforation damage the main leaves, but also against fruit and shoots, the incidence of leaves, there are small spots of water-like stains, expanded into a circular, polygonal irregular dark brown spots, diameter 2 Mm, after the dry spot lesions, the edge of a circle of cracks, the formation of perforation, diseased leaves early fall off. Fruit onset, the fruit surface brown spots, slightly depressed, the air humidity, the lesions often appear yellowish white mucilage secretion.