盐胁迫下棉花萌发、成苗和产量相关性状的QTL定位  

Identification of QTLs conferring the traits related to germination,seedling survival and production of cotton under salt stress

作　　者：徐剑文[1] 孔杰[2] 赵君[1] 王为然[2] 刘剑光[1] 朱家辉[2] 王希睿 徐海江[2] 肖松华[1] 阿里甫.艾尔西 XU Jian-wen;KONG-Jie;ZHAO Jun;WANG Wei-ran;LIU Jian-guang;ZHU Jia-hui;WANG Xi-rui;XU Hai-jiang;XIAO Song-hua;Alifu Aierxi(Institute of Industrial Crops,Jiangsu Academy of Agricultural Sciences/Key Laboratory of Cotton and Rapeseed,Ministry of Agriculture,Nanjing 210014,China;Institute of Industrial Crops,Xinjiang Academy of Agricultural Sciences,Urumqi 830091,China;Nanjing Institute of Standardization,Nanjing 210019,China)

机构地区：[1]江苏省农业科学院经济作物研究所/农业部长江中下游棉花和油菜重点实验室,江苏南京210014 [2]新疆农业科学院经济作物研究所,新疆乌鲁木齐830091 [3]南京市标准化研究院,江苏南京210019

出　　处：《江苏农业学报》2018年第5期972-977,共6页Jiangsu Journal of Agricultural Sciences

基　　金：江苏省重点研发计划项目(BE2015353);国家自然科学基金项目(31701475);"十三五"国家重点研发计划项目(2016YFD0100203-5);江苏省自然科学基金项目(BK20170597);江苏省农业科学院探索性颠覆性创新计划项目(ZX(17)2013);江苏省农科院基金项目(012066111622)

摘　　要：利用感盐棉花品种泗抗1号和耐盐棉花新品系苏S012为亲本配置杂交组合,构建F2分离群体和F2∶3家系。分别调查2个亲本和299个F2∶3家系萌发期、苗期以及铃质量、铃数、衣分和产量的盐害率,作为QTL定位的表型数据。在棉花A5、D5、D8、D10、A13和D13染色体上共定位到13个耐盐相关QTL,分别解释2. 81%、15. 18%、1. 78%、5. 39%、2. 92%、8. 38%、9. 65%、5. 06%、0. 46%、2. 17%、2. 27%、13. 25%、1. 50%的表型变异率。In this study,the cotton F 2 segregating population and F 2∶3 population were developed using the salt-sensitive variety Sikang-1 and salt-tolerant line Su-S012 as cross parents.The salt injury rates of germination,seedling,boll weight,boll number,lint percentage and production from two parents and 299 F 2∶3 population plants were collected as phenotypic data for QTL mapping.Thirteen salt tolerance related QTLs were detected on the A5,D5,D8,D10,A13 and D13 chromosomes of cotton,which explained 2.81%,15.18%,1.78%,5.39%,2.92%,8.38%,9.65%,5.06%,0.46%,2.17%,2.27%,13.25%and 1.50%of the phenotypic variation respectively.

关 键 词：棉花 耐盐性 分子标记 QTL定位 

分 类 号：S562.035.3[农业科学—作物学]