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棉花学报  2013 

利用棉花纤维品质相关QTL评价海陆渐渗品种品质初探

DOI: 1002-7807(2013)0247-06, PP. 247-253

Keywords: 棉花,纤维品质QTL,海陆渐渗品种

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Abstract:

选用第7、13、25号染色体上纤维品质相关QTL(Quantitativetraitlocus)密集分布区间的48对SSR(Simplesequencerepeat)引物,对48份棉花种质进行多态性检测,研究结果显示在实验材料中3对SSR引物具有陆海差异多态性,相关分析表明3个优质基因SSR位点与纤维长度和纤维强度达到极显著相关。通过与海岛棉带型比对、追踪,从分子水平上明确了这些品种中来源于海岛棉渐渗于陆地棉的优异基因区段,为下一步分子标记辅助聚合育种提供了理论参考。

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