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
收藏
页码：68 / 71
页数：4
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