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1品种选用根据东北地区生态特点,适合早熟马铃薯生长,双层覆膜栽培必须选用经过审定的早熟、抗病、结薯集中、薯块整齐、商品性好的品种,如东农303、早大白、克新21号等品种。同时应选择这些品种的优质脱毒种薯,因为种薯是否脱毒,对产量和质量的影响非常大。
Selection of a variety of According to the ecological characteristics of the Northeast, suitable for the growth of precocious potato, double-coated cultivation must use the pre-certified, disease resistance, tuber concentrated, tuber neat, good commercial varieties, such as Dongnong 303, New grams of the 21st and other varieties. Should also choose these varieties of high-quality virus-free seed, because the seed is virus-free, the impact on yield and quality is very large.