北海道是马铃薯的主要产地,栽培面积占全国总面积(131,500公顷)的52.2％。在马铃薯生产过程中,经常受到病害的威胁,除卷叶病及块茎腐烂经常发生外,黑胫病和干腐病也很严重,轮腐病有逐渐加重趋势,被视为当前的主要病害。现就以上几种病害的防治方法扼要予以论述。 Hokkaido is a major producer of potatoes, with cultivated area accounting for 52.2% of the country’s total area (131,500 hectares). In the process of potato production, the disease is often threatened by diseases. In addition to the frequent occurrence of leaf blight and tuber rot, black shank and dry rot disease are also very serious. Rot rot disease tends to increase gradually and is regarded as the current major disease. Now on the prevention and treatment of several diseases outlined briefly.