Mapping and Quantitative Trait Loci Analysis of Verticillium Wilt Resistance Genes in Cotton

查看全文 作　　者：Hong-Mei [1,2]Wang;Zhong-Xu [1]Lin;Xian-Long [1]Zhang;Wei [2]Chen;Xiao-Ping [1]Guo;Yi-Chun [1]Nie;Yun-Hai [2]Li

机构地区：[1]National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China;[2]Key Laboratory of Cotton Genetic Improvement of the Ministry of Agriculture, Cotton Research Institute, Chinese Academy of Agricultural Sciences, Anyang 455112, China

出　　处：《Journal of Integrative Plant Biology》索引2008年第50卷第2期,共9页

基　　金：the Communal Program Specially for Agricultural Research(nyhyz07-0528). 摘　　要：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 F2:3 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. 关键词：黄萎病定量分析基因表达棉花

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Mapping and Quantitative Trait Loci Analysis of Verticillium Wilt Resistance Genes in Cotton

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