利用多态性片段长度扩增(AFLP)法对印度大吉岭茶树遗传多样性的研究

被引:20
作者
RajanKumarMishra
SwatiSen-Mandi
机构
[1] 印度Bose研究所植物学系
关键词
AFLP; 茶树; DNA指纹; 遗传变异; Shannon氏变异指数;
D O I
10.13305/j.cnki.jts.2004.02.003
中图分类号
S571.1 [茶]; Q523 [脱氧核糖核酸(DNA)];
学科分类号
0902 ; 090203 ;
摘要
大吉岭地区的茶树因其特殊的地理环境而具有遗传特点。其不同品系的基因组DNA指纹分析证明有很高的多态性,所以适合以AFLP来研究其无性品系茶树的基因。聚类分析显示,其遗传系统树图谱与先前以形态特征为依据的分类结果一致。大吉岭茶树各品系间的遗传相似性达到70%。在中国类型品种中遗传变异程度较大。在三个种质类型(viz. China, Assam and Cambod type)之间及内部的变异程度分别为63%和36%。
引用
收藏
页码:86 / 92
页数:7
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