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马铃薯疮痂病和粉痂病通过种薯传播和土壤传染。这两种病害的病原菌侵入块茎的表皮形成病斑,直接降低商品价值。日本静冈县从1970年开始,这两种病害发生成灾。此后发病逐年扩大,现已蔓延全县。以静冈县西部的浜松市、湖西市为中心的马铃薯主产地,发生疮痴病和粉痂病,该县东部以三岛市为中心疮痂病发生较重。因此,急需找出防治措施。本文
Potato scabs and powdery scabs spread through seed potatoes and soil. The pathogen of these two diseases invades the epidermis of the tuber to form a lesion, which directly reduces the value of the commodity. Shizuoka Prefecture, Japan Since 1970, both diseases have been disastrous. Since then the incidence of expanding, has now spread throughout the county. In Shizuoka City, western Shizuoka Prefecture, Huxi City as the center of the main producing areas of potato, the occurrence of stigma and powdery scab disease, the county to the east of Mishima as the center of the scab disease occurs heavier. Therefore, urgent need to find prevention and control measures. This article