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葡萄白腐病是葡萄的主要病害之一,并多在梅雨季节发生:若防治不及时,对其产量及品质有严重影响。葡萄果桧染病在桧轴上出现水渍状浅褐色病斑并染及果粒,病粒初呈水渍状浅褐色,病粒表层有许多灰白色小点、病粒易落、严重时落满一地,未落病粒萎缩成猪肝色僵果,叶片染病初有水渍状病斑,扩展后有同心轮纹、病叶逐渐枯死。
Grapevine white rot is one of the major diseases of grapes and occurs more during the rainy season. If the prevention and treatment are not implemented in time, the yield and quality of grapes will be seriously affected. Grape berry cypress disease appears on the shaft juniper stains light brown spots and stains and fruit particles, the beginning of the disease was light brown water stains, the surface of the particles have many small white spots, the particles easily fall, when the severe full In one place, the emaciated grains shrank into the pig liver color stiff fruit. At the beginning of the leaf disease, there was a water stain like lesion. After the concentric ring pattern was expanded, the diseased leaves gradually died.