Construction of genetic map and QTL analysis of fiber quality traits for Upland cotton (Gossypium hirsutum L.)

Publication Overview
TitleConstruction of genetic map and QTL analysis of fiber quality traits for Upland cotton (Gossypium hirsutum L.)
AuthorsTang S, Teng Z, Zhai T, Fang X, Liu F, Liu D, Zhang J, Liu D, Wang S, Zhang K, Shao Q
TypeJournal Article
Journal NameEuphytica
Volume201
Issue2
Year2015
Page(s)195 213
CitationTang S, Teng Z, Zhai T, Fang X, Liu F, Liu D, Zhang J, Liu D, Wang S, Zhang K, Shao Q. Construction of genetic map and QTL analysis of fiber quality traits for Upland cotton (Gossypium hirsutum L.). Euphytica. 2015 Jan 1;201(2):195-213.
Publication CodeEUP-201-195

Abstract

Cotton fiber quality traits are controlled by multiple genes of minor effect. Identification of significant and stable quantitative trait loci (QTL) across environments and populations lays foundation for marker-assisted selection for fiber quality improvement and studies of its molecular regulation. Here, a detailed genetic map is constructed and QTL are detected based on an intraspecific recombinant inbred line population derived from a cross between Upland cotton cultivar/line Yumian 1 and 7235. A total of 25,313 SSR primer pairs, including 5,000 developed from G. raimondii BAC-ends sequences, were used to construct the genetic map which finally contained 1,540 loci, spanning 2,842.06 cM, with an average of 1.85 cM between adjacent markers. With 4 year fiber quality traits data, variance analysis revealed that they were significantly affected by genetic and environmental factors. Significant correlations were also detected between them. A total of 62 QTL were identified with combined analysis and single environment analysis. These QTL explain phenotypic variation from 5.0 to 28.1 %. For each trait, favorable alleles were conferred by both parents. Seventeen QTL were detected in more than one environment. The genetic map and stable QTL are valuable for Upland cotton genome research and breeding projects to improve fiber quality.
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Projects
This publication contains information about 1 projects:
Project NameDescription
Y7-RIL-2015
Featuremaps
This publication contains information about 1 maps:
Map Name
Yumian-1 x 7235, RIL (2015)
Properties
Additional details for this publication include:
Property NameValue
URLhttps://link.springer.com/article/10.1007/s10681-014-1189-y
Accepted Date9 June 2014
Publication CodeEUP-201-195
Publication Date2015 Jan 1
KeywordsUpland cotton; RIL population; Genetic map; Fiber quality traits; QTL