Association Mapping Identifies QTLS on Wheat Chromosome 3A for Yield Related Traits

被引：1

作者：

M. Sajjad

S. H. Khan

M. Q. Ahmad

A. Rasheed

A. Mujeeb-Kazi

I. A. Khan

机构：

[1] University of Arid Agriculture,Department of Plant Breeding and Genetics, PMAS

[2] University of Agriculture,Center of Agricultural Biochemistry and Biotechnology (CABB)

[3] Quaid-i-Azam University,Department of Plant Sciences

[4] National Institute of Biotechnology and Genetic Engineering (NIBGE),undefined

来源：

Cereal Research Communications | 2014年 / 42卷

关键词：

wheat; grain yield; population structure; linkage disequilibrium; association mapping;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A panel of 94 diverse hexaploid wheat accessions was used to map quantitative trait loci (QTL) underlying the yield related traits on chromosome 3A. Population structure and kinships were estimated using unlinked SSR markers from all 21 chromosomes. Analysis of variance revealed significant difference among accessions; however, genotype × year interaction was non-significant for majority of yield related traits. A mixed linear model (MLM) approach identified six QTLs for four traits that individually accounted for 10.7 to 17.3% phenotypic variability. All QTLs were consistently observed for both study years. New putative QTLs for the maximum fertile florets per spike and spike length were identified. This report on QTLs for yield related traits on chromosome 3A will extend the existing knowledge and may prove useful in marker-assisted selection (MAS) for development of high yielding cultivars.

引用

页码：177 / 188

页数：11

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