<FONT face="Verdana">Detection of Quantitative Trait Loci for Cold Tolerance at the Bud Bursting  Stage by Using Chromosome Segment Substitution Lines in Rice (<EM>Oryza sativa</EM>)</FONT>

LIN Jing,ZHU Wen-yin,ZHANG Ya-dong,ZHU Zhen,ZHAO Ling,CHEN Tao,ZHAO Qing-yong,ZHOU Li-hui,FANG Xian-wen,WANG Yan-ping,WANG Cai-lin*

doi:10.3969/j.issn.1001-7216.2010.03.004

2010 , Vol. 24 >Issue 3: 233 - 236

DOI: https://doi.org/10.3969/j.issn.1001-7216.2010.03.004

研究报告

Detection of Quantitative Trait Loci for Cold Tolerance at the Bud Bursting Stage by Using Chromosome Segment Substitution Lines in Rice (Oryza sativa)

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Institute of Food Crops, Jiangsu Academy of Agricultural Sciences/Jiangsu High Quality Rice R & D Center/ Nanjing Branch of Chinese National Center for Rice Improvement/Research Center for Protection and Utilization of Agricultural Germplasm Resource in Jiangsu Province, Nanjing 210014, China; *Corresponding author, E-mail: clwang@jaas.ac.cn

Received date: 1900-01-01

Revised date: 1900-01-01

Online published: 2010-05-10

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Abstract

The cold tolerance at the bud bursting stage (CTB) were evaluated at 5℃ by using a set of 95 chromosome segment substitution lines (CSSLs) derived from indica rice 9311 and japonica rice Nipponbare. The results showed that six CSSLs had slightly stronger CTB than 9311. Total four quantitative trait loci (QTLs) for CTB were preliminary mapped on chromosomes 5 and 7 by substitution mapping. qCTB51, qCTB52 and qCTB53 were mapped in the region of RM267-RM1237,RM2422-RM6054 and RM3321-RM1054, which were 21.3 cM, 27.4 cM and 12.7 cM in genetic distance on rice chromosome 5, respectively. qCTB7 was mapped in the region of RM11-RM2752, which was 6.8 cM in genetic distance on rice chromosome 7.

Key words： chromosome segment substitution lines; cold tolerance at the bud bursting stage; substitution mapping

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LIN Jing,ZHU Wen-yin,ZHANG Ya-dong,ZHU Zhen,ZHAO Ling,CHEN Tao,ZHAO Qing-yong,ZHOU Li-hui,FANG Xian-wen,WANG Yan-ping,WANG Cai-lin* . Detection of Quantitative Trait Loci for Cold Tolerance at the Bud Bursting Stage by Using Chromosome Segment Substitution Lines in Rice (Oryza sativa)[J]. Chinese Journal OF Rice Science, 2010 , 24(3) : 233 -236 . DOI: 10.3969/j.issn.1001-7216.2010.03.004

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