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我地属马铃薯二季作地区，长期以来因马铃薯病毒病引起的种性退化，严重影响着我市马铃薯产量的提高。为了解决生产中这一难题，我们于1989年秋季起，每年从科研单位引进“鲁引一号”茎尖脱毒微型马铃薯原原种进行繁种和高产栽培。经过5年8茬示范和大面积种植证明，脱毒马铃薯
I am a potato crop in the second quarter as a result of a long time because of potato virus disease caused by the degeneration, a serious impact on the city’s potato yield. In order to solve this problem in production, we introduced the “Lu-Yin-1” tip-primed mini-potato original stock from the scientific research institutes every year for breeding and high-yielding cultivation in the fall of 1989. After 5 years 8 st demonstration and large-scale planting proved that virus-free potato