李博;冯慧敏;王静毅;童和林;陈友;武耀廷;

• 1:海南大学农学院
• 2:中国热带农业科学院热带作物生物技术研究所农业部热带作物生物技术重点开放实验室
• 3:琼州学院

摘要(Abstract)：

应用cpSSR分子标记来研究香蕉种质资源分类,用筛选到的16对多态性引物对42份香蕉材料进行扩增,共检测出86个多态性条带,每对引物产生的多态性条带为2~8,平均为5.5,多态信息含量为0.188 9～0.780 5。在相似系数为0.76时,供试的42份香蕉材料分成3大类群:类群Ⅰ为M.acuminata的全部亚种和供试的所有栽培蕉品种;类群Ⅱ为供试的全部M.balbisiana材料;类群Ⅲ为除了M.acuminata和M.balbisiana外其他全部供试的野生蕉材料。结果表明基于cpSSR分子标记的香蕉种质资源的分类在种间具有较好的区分能力,但是cpSSR分类表现出较大的地理分布的相关性,而与形态特征关系不密切。

关键词(KeyWords)： 香蕉;叶绿体SSR;种质资源;分类

Abstract:

Keywords:

基金项目(Foundation): 农业部热带作物种质资源保护项目(11RZZY-27);; 中央级公益性科研院所基本科研业务费专项项目(ITBBZD1032)

作者(Author): 李博;冯慧敏;王静毅;童和林;陈友;武耀廷;

Email:

DOI: 10.13925/j.cnki.gsxb.2011.06.024

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