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Title: | Identification of quantitative trait loci associated with shoot sodium accumulation under low potassium conditions in rice plants |
Authors: | Miyamoto, Takuji Ochiai, Kumiko ![]() ![]() Takeshita, Saya Matoh, Toru ![]() ![]() |
Author's alias: | 落合, 久美子 |
Keywords: | Oryza sativa potassium QTL sodium accumulation substitution effect |
Issue Date: | 13-Dec-2012 |
Publisher: | Taylor & Francis |
Journal title: | Soil Science and Plant Nutrition |
Volume: | 58 |
Issue: | 6 |
Start page: | 728 |
End page: | 736 |
Abstract: | Sodium (Na) application has marked beneficial effects on plant growth when the potassium (K) supply is low. Under low K supply, three japonica rice (Oryza sativa L.) cultivars, Koshihikari, Nipponbare, and Sasanishiki, accumulated more Na than three indica cultivars, IR36, IR64, and Kasalath, and the effect of Na application on growth was greater in japonica Koshihikari plants than in indica IR64 plants. A quantitative trait locus (QTL) analysis using a population of backcross inbred lines derived from japonica Koshihikari and indica Kasalath identified two significant loci associated with shoot Na concentration on chromosomes 3 and 6. The quantitative trait locus for shoot Na accumulation on chromosome 6 was confirmed in a population of chromosome segment substitution lines. The major QTL detected in this study could be useful for increasing crop productivity under low K input. |
Rights: | © 2012 Japanese Society of Soil Science and Plant Nutrition This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 |
URI: | http://hdl.handle.net/2433/188918 |
DOI(Published Version): | 10.1080/00380768.2012.745797 |
Appears in Collections: | Journal Articles |

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