Mapping of Quantitative Trait Loci for Salt Tolerance at the Seedling Stage in Rice

Salt tolerance was evaluated at the young seedling stage of rice (Oryza sativa L.) using recombinant inbred lines (MG RILs) from a cross between Milyang 23 (japonica/indica) and Gihobyeo (japonica). 22 of 164 MG RILs were classified as tolerant with visual scores of 3.5-5.0 in 0.7% NaCl. Interval ma...

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Veröffentlicht in:Molecules and cells 2006-04, Vol.21 (2), p.192-196
Hauptverfasser: Lee, S.Y. (Wonkwang University, Iksan, Republic of Korea), Ahn, J.H. (Wonkwang University, Iksan, Republic of Korea), Cha, Y.S. (National Institute of Agricultural Biotechnology, RDA, Suwon, Republic of Korea), Yun, D.W. (National Institute of Agricultural Biotechnology, RDA, Suwon, Republic of Korea), Lee, M.C. (National Institute of Agricultural Biotechnology, RDA, Suwon, Republic of Korea), Ko, J.C. (Honam Agricultural Research Institute, NICS, RDA, Iksan, Republic of Korea), Lee, K.S. (Honam Agricultural Research Institute, NICS, RDA, Iksan, Republic of Korea), Eun, M.Y. (National Institute of Agricultural Biotechnology, RDA, Suwon, Republic of Korea), E-mail: myeun@rda.go.kr
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Sprache:eng
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Zusammenfassung:Salt tolerance was evaluated at the young seedling stage of rice (Oryza sativa L.) using recombinant inbred lines (MG RILs) from a cross between Milyang 23 (japonica/indica) and Gihobyeo (japonica). 22 of 164 MG RILs were classified as tolerant with visual scores of 3.5-5.0 in 0.7% NaCl. Interval mapping of QTLs related to salt tolerance was conducted on the basis of the visual scores at the young seedling stage. Two QTLs, qST1 and qST3, conferring salt tolerance, were detected on chromosome 1 and 3, respectively, and the total phenotypic variance explained by the two QTLs was 36.9% in the MG RIL population.
ISSN:1016-8478
DOI:10.1016/s1016-8478(23)12879-2