文献类型: 外文期刊
作者: GONG Jiming ; HE ping ; QlAN Qian (2); SHEN Lishuang ; ZHU Lihuang ; CHEN Shouyi *
作者机构:
关键词: rice (Oryza sativa L.);salt-tolerance QTL;ZJDH population;molecular linkage map
期刊名称: Chinese Science Bulletin
ISSN: 1001-6538
年卷期: 1999 年 44 卷 1 期
页码:
收录情况: SCI
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.
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