地毯草种质资源ISSR标记遗传多样性分析

被引:5
作者
廖丽 [1 ]
王晓丽 [1 ]
刘建秀 [2 ]
刘洋 [1 ]
白昌军 [3 ]
徐毓皎 [1 ]
张欣怡 [1 ]
王志勇 [1 ]
机构
[1] 热带作物种质资源保护与开发利用教育部重点实验室
基金
海南省自然科学基金;
关键词
地毯草; 种质资源; ISSR; 遗传多样性;
D O I
暂无
中图分类号
S688.4 [草坪与地被植物];
学科分类号
摘要
地毯草(Axonopus compressus)是华南地区使用的多年生草本植物,本研究通过ISSR标记对华南地区64份地毯草种质资源的遗传多样性和亲缘关系进行分析。结果表明,25对ISSR引物共扩增出208条清晰谱带,大小在300~1 500bp,其中多态性条带有196条,多态性比率为94.23%,25对引物扩增条带数在4~15条,平均每对引物8.32条,遗传相似系数是0.46~0.99。通过UPGMA方法对64份地毯草材料进行聚类分析。结果表明,来自相同采集地区的材料并没有完全聚在一类,供试材料间出现较大的遗传差异。本研究结果可为今后开展地毯草种质资源遗传保护、品种鉴定、新品种选育提供基础。
引用
收藏
页码:608 / 614
页数:7
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