SSR和AFLP分析玉米遗传多样性的研究

被引：35

作者：

杜金友

黎裕

王天宇

石云素

宋燕春

王海波

机构：

[1] 中国农业科学院作物品种资源研究所

[2] 河北省农林科学院北京　

[3] 河北张家口农业高等专科学校

[4] 河北张家口　

[5] 北京　

[6] 河北石家庄　

来源：

华北农学报 | 2003年 / 01期

关键词：

玉米; AFLP; SSR; 遗传多样性; 分析比较;

D O I：

暂无

中图分类号：

S513 [玉米（玉蜀黍）];

学科分类号：

摘要：

利用SSR,AFLP两种分子标记方法研究了23个玉米种质材料的遗传多样性,并对这两种分子标记系统进行了比较。利用筛选出的40对SSR引物,检测到了202个等位基因。用12对AFLP引物组,检测到了444条有多态性的带。SSR和AFLP分子标记均有很高的多态性,SSR位点的平均多态性信息量(PIC)值达0 60,而AFLP多态性带比例是72%。两种分子标记结果将玉米种质划分为5组,与系谱分析基本一致,两种分子标记划分的结果也相近。研究认为SSR,AFLP两种分子标记系统均适合于玉米种质的遗传多样性研究。

引用

页码：59 / 63

页数：5

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