Mapping and quantitative trait loci analysis of verticillium wilt resistance genes in cotton

Journal of Integrative Plant Biology
Hong-Mei WangYun-Hai Li

Abstract

Verticillium wilt is one of the most serious constraints to cotton production in almost all of the cotton-growing countries. In this study, "XinLuZao1" (XLZ1), a susceptible cultivar Gossypium hirsutum L. and "Hai7124" (H7124), a resistant line G. barbadense, and their F(2:3) families were used to map and study the disease index induced by verticillium wilt. A total of 430 SSR loci were mapped into 41 linkage groups; the map spanned 3,745.9 cM and the average distance between adjacent loci was 8.71 cM. Four and five quantitative trait loci (QTLs) were detected based on the disease index investigated on July 22 and August 24 in 2004, respectively. These nine QTLs explained 10.63-28.83% of the phenotypic variance, six of them were located on the D sub-genome. Two QTLs located in the same marker intervals may partly explain the significant correlation of the two traits. QTLs explaining large phenotypic variation were identified in this study, which may be quite useful in cotton anti-disease breeding.

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Citations

Jan 25, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Martin C QuinckeChristopher C Mundt
Jun 24, 2010·BMC Genomics·Lifeng LinAndrew H Paterson
Nov 4, 2010·Science China. Life Sciences·YanJun KouShiPing Wang
Nov 18, 2014·TheScientificWorldJournal·Waqas MalikGhulam Hasan Abbasi
Oct 18, 2016·Molecular Plant Pathology·Yin Song, Bart P H J Thomma
Jan 12, 2017·Genes·Xiaofeng SuHongmei Cheng
Nov 18, 2017·Plant Biotechnology Journal·Lin ZhangXianlong Zhang
Nov 26, 2009·Genome Génome / Conseil National De Recherches Canada·Bode A OlukoluDoron Holland

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