QTLs Related to the Easy Curing Potential Mapped in Flue-cured Tobacco  

Xiaolei Tan1,2 , Xiuhong Xu1 , Nuanchun Wang3 , Xingwei Zhang1 , Jie Ren1 , Bingguang Xiao4 , Jialai Xu3 , Weifeng Wang1 , Chuanyi Wang1 , Xianwei Hao1,2 , Zhongfeng Zhang1
1. Tobacco Research Institute of CAAS, Qingdao, 266101, P.R. China
2. Graduate School of CAAS, Beijing, 100081, P.R. China
3. Shandong Corporation of CNTC, Jinan, 250101, P.R. China
4. Yunnan Academy of Tobacco Agricultural Sciences, Yuxi, 653100, P.R. China
Author    Correspondence author
Plant Gene and Trait, 2012, Vol. 3, No. 6   doi: 10.5376/pgt.2012.02.0006
Received: 02 Mar., 2012    Accepted: 06 Jun., 2012    Published: 08 Jun., 2012
© 2012 BioPublisher Publishing Platform
This article was first published in Molecular Plant Breeding (2012, 10(2): 89-94) in Chinese, and here was authorized to translate and publish the paper in English under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract

This genetic map drawn by Mapmaker 3.0 containing 17 linkage groups with 75 SSR markers by using a F2 mapping population derived from the intervarietal cross of Yunyan85 × Dabaijin599 and 91 polymorphic markers identified by SSR molecular marker technique. Four QTLs related to the character of easy curing potential were detected based on this genetic map and the phenotype data by the method of composite interval mapping, which mapped on the linkage group 1, 8 and 9, respectively, with the explainable phenotypic variation of 9.26%, 8.87%, 7.57% and 7.83%. The additive effect values of the four QTLs are all positive, indicating these additive effects should come from one of the parent, Yunyan85.

Keywords
Flue-cured tobacco; Easy curing potential; QTL
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