| QTL Analysis of the Oil Content and the Hull Content in Brassica napus L. |
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| 作者单位： | JIN Meng-yang（College of Agronomy and Biochnology, Southwest University, Beibei 400715, P.R. China;Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, P.R. China） ;
LI Jia-na（College of Agronomy and Biochnology, Southwest University, Beibei 400715, P.R. China） ;
FU Fu-you（College of Agronomy and Biochnology, Southwest University, Beibei 400715, P.R. China） ;
ZHANG Zheng-sheng（College of Agronomy and Biochnology, Southwest University, Beibei 400715, P.R. China） ;
ZHANG Xue-kun（College of Agronomy and Biochnology, Southwest University, Beibei 400715, P.R. China） ;
LIU Lie-zhao（College of Agronomy and Biochnology, Southwest University, Beibei 400715, P.R. China） ; |
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| 基金项目： | 国家高技术研究发展计划(863计划);国家自然科学基金 |
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| 摘 要： | The QTLs of the oil content and the hull content were analyzed in Brassica napus L. By constructing the linkage map. The F26 RIL population with 188 lines, derived from the cross of GH06 × P147, was used as the mapping population. The SRAP, SSR, AFLP, and TRAP markers were used to construct the linkage map, and the composite interval mapping (CIM) to identify the quantitative trait loci associated with the oil content and the hull content. 300 markers were integrated into 19 linkage groups, covering 1 248.5 cM in total. Seven QTLs were found to be responsible for the oil content with the single contribution to phenotypic variance ranging from 3.73 to 10.46%; four QTLs were found for the hull content with the single contribution to phenotypic variance ranging from 4.89 to 6.84%. The yellow-seeded Brassica napus L. Has the advantage of higher oil content and the hull content has a significant effect on the oil content. In addition, the SRAP marker is good for detecting QTL.
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| 关 键 词： | 甘蓝型油菜 含油量 皮壳率 QTL分析 遗传图谱 分子标记 |
QTL Analysis of the Oil Content and the Hull Content in Brassica napus L. |
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| Authors: | JIN Meng-yang LI Jia-na FU Fu-you ZHANG Zheng-sheng ZHANG Xue-kun LIU Lie-zhao |
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| Institution: | 1. College of Agronomy and Biochnology, Southwest University, Beibei 400715, P.R. China;Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, P.R. China
2. College of Agronomy and Biochnology, Southwest University, Beibei 400715, P.R. China |
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| Abstract: | The QTLs of the oil content and the hull content were analyzed in Brassica napus L. by constructing the linkage map. The F2:6RIL population with 188 lines, derived from the cross of GH06 × P147, was used as the mapping population. The SRAP, SSR, AFLP, and TRAP markers were used to construct the linkage map, and the composite interval mapping (CIM) to identify the quantitative trait loci associated with the oil content and the hull content. 300 markers were integrated into 19 linkage groups, covering 1248.5 cM in total. Seven QTLs were found to be responsible for the oil content with the single contribution to phenotypic variance ranging from 3.73 to 10.46%; four QTLs were found for the hull content with the single contribution to phenotypic variance ranging from 4.89 to 6.84%. The yellow-seeded Brassica napus L. has the advantage of higher oil content and the hull content has a significant effect on the oil content. In addition, the SRAP marker is good for detecting QTL. |
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| Keywords: | Brassica napus L genetic map molecular markers QTL oil content hull content |
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