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棉花学报  2013 

7个棉花品种SSR位点纯合度研究与分析

DOI: 1002-7807(2013)03-0234-06, PP. 234-239

Keywords: 棉花常规种,SSR标记,纯度,位点纯合率

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Abstract:

采用52对核心引物对7个棉花常规种进行了SSR分析。结果显示每个品种的24个受检单粒棉种中,杂粒数最多为9个,最少1个,平均为3.9个;DNA位点纯合率最高为100%,最低92.3%,平均为97.0%。研究表明,品种纯度与DNA位点纯合率呈高度正相关。采用SSR标记进行分子检测,能准确区分因遗传因素与生产加工对品种纯度造成的影响。

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