Construction practices and effect of three-stage virus-free potato breeding system of Longde County were introduced.Existing problems in virus-free potato three-stage breeding system were analyzed,and the suggestions were proposed,so as to provide basis for further enlargement and strengthening of the potato industry.%介绍了隆德县马铃薯脱毒种薯三级繁育体系建设主要做法及取得的成效,分析马铃薯脱毒种薯三级繁育体系建设存在的问题,并提出建议,为进一步做大做强马铃薯产业提供依据。
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