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马铃薯是我市三大粮食作之一,栽培面积大,分布广,每年播种面积在85万亩左右;晚疫病危我市马铃薯三大病害之一,每年各地均有不同程度发生,对马铃薯中后期生长发育危害较重,严重影响光合产物的形成及淀粉积累,流行年份往往引起大量薯块腐烂,造成严重减产,特别在二阴地区及高寒阴湿山区发病更重,危害更大,成为我市马铃薯丰产不丰收的主要原因之一。
Potato is one of the city’s three major food, cultivation area, widely distributed, the annual sown area of 850,000 mu; late blight endanger the city one of the three major diseases of the potato, all over the year have varying degrees of occurrence in the potato Late growth and development more harmful to the serious impact of the formation of photosynthetic products and starch accumulation, the popular year often lead to a large number of rotten potato tubers, resulting in serious production cuts, especially in the Yin area and the alpine humid mountain more serious and more harmful, as I City potato yield is not one of the main reasons for harvest.