Identification of salt-tolerance QTL in rice (Oryza sativa L.)

被引：44

作者：

Gong, JM

He, P

Qian, QA

Shen, LS

Zhu, LH

Chen, SY ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Genet, Beijing 100101, Peoples R China

[2] China Natl Rice Res Inst, Hangzhou 310006, Peoples R China

来源：

CHINESE SCIENCE BULLETIN | 1999年 / 44卷 / 01期

关键词：

rice (Oryza sativa L.); salt-tolerance QTL; ZJDH population; molecular linkage map;

D O I：

10.1007/BF03182889

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Quantitative trait loci (QTLs) controlling salt-tolerance at the seedling stage in rice (Oryza sativa L.) were identified by interval mapping (SIM) and composite interval mapping (CIM) using a doubled haploid population ZJDH and its high resolution genetic linkage map. The population was derived from an inter-subspecific cross between an indica variety Zhaiyeqing8 (ZYQ8) and a japonica variety Jingxi17 (JX17). Analysis of survival days of seedlings treated with 0.7% NaCl revealed that a major salt-tolerance quantitative trait locus (QTL), Std, was present between markers RG612 and C131 on chromosome 1 when using both MAPMAKER/QTL 1. 1 and PLABQTL 1.0 (SIM). Its allele which contributes to salt-tolerance was from ZYQ8. In addition, seven more QTLs which give additive effect on salt-tolerance are identified when using PLABQTL (CIM), and most of them were from JX17.

引用

页码：68 / 71

页数：4

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