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Towards improving the drought tolerance of rice in China

Published online by Cambridge University Press:  12 February 2007

Hongyan Liu ,
Hanwei Mei ,
Xinqiao Yu ,
Guihua Zou ,
Guolan Liu  and
Lijun Luo
Hongyan Liu
Affiliation:
Shanghai Agrobiological Gene Center, 2901 Beidi Road, Shanghai, 201106, China Shanghai Jiao Tong University, 1954 Huashan Road, Shanghai, 200030, China
Hanwei Mei
Affiliation:
Shanghai Agrobiological Gene Center, 2901 Beidi Road, Shanghai, 201106, China
Xinqiao Yu
Affiliation:
Shanghai Agrobiological Gene Center, 2901 Beidi Road, Shanghai, 201106, China
Guihua Zou
Affiliation:
Shanghai Agrobiological Gene Center, 2901 Beidi Road, Shanghai, 201106, China Huazhong Agriculture University, Wuhan, 430070, China
Guolan Liu
Affiliation:
Shanghai Agrobiological Gene Center, 2901 Beidi Road, Shanghai, 201106, China Huazhong Agriculture University, Wuhan, 430070, China
Lijun Luo*
Affiliation:
Shanghai Agrobiological Gene Center, 2901 Beidi Road, Shanghai, 201106, China
*
*Corresponding author: E-mail: lijun@sagc.org.cn
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Abstract

Drought tolerance (DT) is a very complex trait. For the purpose of developing DT rice cultivars, a research programme was initiated in 1997 in China, consisting of four coherent parts: the development of a DT field screen facility and evaluation standard; the collection, evaluation and enhancement of DT rice resources; DT gene/quantitative trait locus (QTL) discovery; and DT rice breeding. More than 2000 rice accessions, mostly from China, were collected and evaluated in a new DT screening facility with a powerful water management system. Eighty-six entries were selected to serve as a core DT collection. A set of 187 recombinant inbred lines was developed for the genetic mapping of DT and high yield-related QTL under drought conditions. Several DT rice cultivars adapted to southern and central China were released. DT rice CMS lines were developed and distributed to most parts of China to encourage the development of DT or water-saving hybrid rice.

Keywords

drought tolerancedrought tolerance evaluation methodologydrought tolerance rice breedingdrought-tolerant rice resourcesQTL mapping
Type
Research Article
Information
Plant Genetic Resources , Volume 4 , Issue 1 , April 2006 , pp. 47 - 53
Copyright
Copyright © NIAB 2006

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