Detection of QTL for exudation rate at ripening stage in rice and its contribution to hydraulic conductance

Copyright © 2015 The Authors. Published by Elsevier Ireland Ltd.. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 242(2016) vom: 13. Jan., Seite 270-277
1. Verfasser: Yamamoto, Toshio (VerfasserIn)
Weitere Verfasser: Suzuki, Tadafumi, Suzuki, Kenji, Adachi, Shunsuke, Sun, Jian, Yano, Masahiro, Ookawa, Taiichiro, Hirasawa, Tadashi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Hydraulic conductance Hydraulic conductivity Quantitative trait locus Rice Root surface area Water 059QF0KO0R
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100 1 |a Yamamoto, Toshio  |e verfasserin  |4 aut 
245 1 0 |a Detection of QTL for exudation rate at ripening stage in rice and its contribution to hydraulic conductance 
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500 |a Date Revised 30.09.2020 
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500 |a Citation Status MEDLINE 
520 |a Copyright © 2015 The Authors. Published by Elsevier Ireland Ltd.. All rights reserved. 
520 |a Dry matter production of crops is determined by how much light they intercept and how efficiently they use it for carbon fixation; i.e., photosynthesis. The high-yielding rice cultivar, Akenohoshi, maintains a high photosynthetic rate in the middle of the day owing to its high hydraulic conductance in comparison with the elite commercial rice cultivar, Koshihikari. We developed 94 recombinant inbred lines derived from Akenohoshi and Koshihikari and measured their exudation rate to calculate hydraulic conductance to osmotic water transport in a paddy field. A quantitative trait locus (QTL) for exudation rate was detected on the long arm of chromosome 2 at the heading and ripening stages. We developed chromosome segment substitution lines which carried Akenohoshi segments in the Koshihikari genetic background, and measured hydraulic conductance to both osmotic and passive water transport. The QTL was confirmed to be located within a region of about 4.2Mbp on the distal end of long arm of chromosome 2. The Akenohoshi allele increased root surface area and hydraulic conductance, but didn't increase hydraulic conductivity of a plant 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Hydraulic conductance 
650 4 |a Hydraulic conductivity 
650 4 |a Quantitative trait locus 
650 4 |a Rice 
650 4 |a Root surface area 
650 7 |a Water  |2 NLM 
650 7 |a 059QF0KO0R  |2 NLM 
700 1 |a Suzuki, Tadafumi  |e verfasserin  |4 aut 
700 1 |a Suzuki, Kenji  |e verfasserin  |4 aut 
700 1 |a Adachi, Shunsuke  |e verfasserin  |4 aut 
700 1 |a Sun, Jian  |e verfasserin  |4 aut 
700 1 |a Yano, Masahiro  |e verfasserin  |4 aut 
700 1 |a Ookawa, Taiichiro  |e verfasserin  |4 aut 
700 1 |a Hirasawa, Tadashi  |e verfasserin  |4 aut 
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