Mapping QTLs for Drought Tolerance at Seedling Stage in Rice Using Doubled Haploid Population |
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| Authors: | XU Qun YUAN Xiao-ping YU Han-yong WANG Yi-ping TANG Sheng-xiang WEI Xing-hua |
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| Affiliation: | State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China |
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| Abstract: | QTLs for drought tolerance at the rice seedling stage were analyzed using a doubled haploid (DH) population consisted of 251 lines from the cross between a japonica parent Maybelle and an indica parent Baiyeqiu. A genetic linkage map with 226 SSR marker loci was constructed. Single-locus analysis following composite interval mapping (CIM) detected a total of five QTLs located on five different chromosomes of rice. Four QTLs were also detected following two-locus analysis, resolving two pairs of epistatic QT... |
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| Keywords: | rice drought tolerance doubled haploid population quantitative trait locus |
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