Identification of genetic loci for grain yield-related traits in the wheat population Zhongmai 578/Jimai 22
The identification of stable quantitative trait locus (QTL) for yield-related traits and tightly linked molecular markers is important for improving wheat grain yield. In the present study, six yield-related traits in a recombinant inbred line (RIL) population derived from the Zhongmai 578/Jimai 22...
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KeAi Communications Co., Ltd.
2023-07-01
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| author | Dan LIU De-hui ZHAO Jian-qi ZENG Rabiu Sani SHAWAI Jing-yang TONG Ming LI Fa-ji LI Shuo ZHOU Wen-li HU Xian-chun XIA Yu-bing TIAN Qian ZHU Chun-ping WANG De-sen WANG Zhong-hu HE Jin-dong LIU Yong ZHANG |
| author_facet | Dan LIU De-hui ZHAO Jian-qi ZENG Rabiu Sani SHAWAI Jing-yang TONG Ming LI Fa-ji LI Shuo ZHOU Wen-li HU Xian-chun XIA Yu-bing TIAN Qian ZHU Chun-ping WANG De-sen WANG Zhong-hu HE Jin-dong LIU Yong ZHANG |
| author_sort | Dan LIU |
| collection | DOAJ |
| description | The identification of stable quantitative trait locus (QTL) for yield-related traits and tightly linked molecular markers is important for improving wheat grain yield. In the present study, six yield-related traits in a recombinant inbred line (RIL) population derived from the Zhongmai 578/Jimai 22 cross were phenotyped in five environments. The parents and 262 RILs were genotyped using the wheat 50K single nucleotide polymorphism (SNP) array. A high-density genetic map was constructed with 1 501 non-redundant bin markers, spanning 2 384.95 cM. Fifty-three QTLs for six yield-related traits were mapped on chromosomes 1D (2), 2A (9), 2B (6), 2D, 3A (2), 3B (2), 4A (5), 4D, 5B (8), 5D (2), 7A (7), 7B (3) and 7D (5), which explained 2.7–25.5% of the phenotypic variances. Among the 53 QTLs, 23 were detected in at least three environments, including seven for thousand-kernel weight (TKW), four for kernel length (KL), four for kernel width (KW), three for average grain filling rate (GFR), one for kernel number per spike (KNS) and four for plant height (PH). The stable QTLs QKl.caas-2A.1, QKl.caas-7D, QKw.caas-7D, QGfr.caas-2B.1, QGfr.caas-4A, QGfr.caas-7A and QPh.caas-2A.1 are likely to be new loci. Six QTL-rich regions on 2A, 2B, 4A, 5B, 7A and 7D, showed pleiotropic effects on various yield traits. TaSus2-2B and WAPO-A1 are potential candidate genes for the pleiotropic regions on 2B and 7A, respectively. The pleiotropic QTL on 7D for TKW, KL, KW and PH was verified in a natural population. The results of this study enrich our knowledge of the genetic basis underlying yield-related traits and provide molecular markers for high-yield wheat breeding. |
| format | Article |
| id | doaj-art-eb20ece1567848df8499997aa5176da4 |
| institution | Kabale University |
| issn | 2095-3119 |
| language | English |
| publishDate | 2023-07-01 |
| publisher | KeAi Communications Co., Ltd. |
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| series | Journal of Integrative Agriculture |
| spelling | doaj-art-eb20ece1567848df8499997aa5176da42025-08-20T03:57:54ZengKeAi Communications Co., Ltd.Journal of Integrative Agriculture2095-31192023-07-012271985199910.1016/j.jia.2022.12.002Identification of genetic loci for grain yield-related traits in the wheat population Zhongmai 578/Jimai 22Dan LIU0De-hui ZHAO1Jian-qi ZENG2Rabiu Sani SHAWAI3Jing-yang TONG4Ming LI5Fa-ji LI6Shuo ZHOU7Wen-li HU8Xian-chun XIA9Yu-bing TIAN10Qian ZHU11Chun-ping WANG12De-sen WANG13Zhong-hu HE14Jin-dong LIU15Yong ZHANG16Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.ChinaInstitute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.China; College of Agriculture, Henan University of Science & Technology, Luoyang 471000, P.R.ChinaInstitute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.ChinaInstitute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.China; Department of Crop Science, Faculty of Agriculture and Agricultural Technology, Aliko Dangote University of Science and Technology Wudil, Kano 713281, NigeriaInstitute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.ChinaInstitute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.ChinaInstitute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.China; Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan 250100, P.R.ChinaInstitute of Biotechnology and Food Science, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang 050051, P.R.ChinaGaoyi Stock Seed Station, Shijiazhuang 053110, P.R.ChinaInstitute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.ChinaInstitute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.ChinaShangqiu Academy of Agricultural and Forestry Sciences, Shangqiu 476000, P.R.ChinaCollege of Agriculture, Henan University of Science & Technology, Luoyang 471000, P.R.ChinaInstitute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.ChinaInstitute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.China; International Maize and Wheat Improvement Center (CIMMYT), China Office, c/o CAAS, Beijing 100081, P.R.ChinaInstitute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.China; Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, P.R.China; Correspondence LIU Jin-dong, Tel: +86-10-82108889Institute of Crop Sciences, National Wheat Improvement Center, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, P.R.China; Correspondence ZHANG Yong, Tel: +86-10-82108745The identification of stable quantitative trait locus (QTL) for yield-related traits and tightly linked molecular markers is important for improving wheat grain yield. In the present study, six yield-related traits in a recombinant inbred line (RIL) population derived from the Zhongmai 578/Jimai 22 cross were phenotyped in five environments. The parents and 262 RILs were genotyped using the wheat 50K single nucleotide polymorphism (SNP) array. A high-density genetic map was constructed with 1 501 non-redundant bin markers, spanning 2 384.95 cM. Fifty-three QTLs for six yield-related traits were mapped on chromosomes 1D (2), 2A (9), 2B (6), 2D, 3A (2), 3B (2), 4A (5), 4D, 5B (8), 5D (2), 7A (7), 7B (3) and 7D (5), which explained 2.7–25.5% of the phenotypic variances. Among the 53 QTLs, 23 were detected in at least three environments, including seven for thousand-kernel weight (TKW), four for kernel length (KL), four for kernel width (KW), three for average grain filling rate (GFR), one for kernel number per spike (KNS) and four for plant height (PH). The stable QTLs QKl.caas-2A.1, QKl.caas-7D, QKw.caas-7D, QGfr.caas-2B.1, QGfr.caas-4A, QGfr.caas-7A and QPh.caas-2A.1 are likely to be new loci. Six QTL-rich regions on 2A, 2B, 4A, 5B, 7A and 7D, showed pleiotropic effects on various yield traits. TaSus2-2B and WAPO-A1 are potential candidate genes for the pleiotropic regions on 2B and 7A, respectively. The pleiotropic QTL on 7D for TKW, KL, KW and PH was verified in a natural population. The results of this study enrich our knowledge of the genetic basis underlying yield-related traits and provide molecular markers for high-yield wheat breeding.http://www.sciencedirect.com/science/article/pii/S2095311922002878grain yieldKASP markerQTL mappingSNP chip |
| spellingShingle | Dan LIU De-hui ZHAO Jian-qi ZENG Rabiu Sani SHAWAI Jing-yang TONG Ming LI Fa-ji LI Shuo ZHOU Wen-li HU Xian-chun XIA Yu-bing TIAN Qian ZHU Chun-ping WANG De-sen WANG Zhong-hu HE Jin-dong LIU Yong ZHANG Identification of genetic loci for grain yield-related traits in the wheat population Zhongmai 578/Jimai 22 Journal of Integrative Agriculture grain yield KASP marker QTL mapping SNP chip |
| title | Identification of genetic loci for grain yield-related traits in the wheat population Zhongmai 578/Jimai 22 |
| title_full | Identification of genetic loci for grain yield-related traits in the wheat population Zhongmai 578/Jimai 22 |
| title_fullStr | Identification of genetic loci for grain yield-related traits in the wheat population Zhongmai 578/Jimai 22 |
| title_full_unstemmed | Identification of genetic loci for grain yield-related traits in the wheat population Zhongmai 578/Jimai 22 |
| title_short | Identification of genetic loci for grain yield-related traits in the wheat population Zhongmai 578/Jimai 22 |
| title_sort | identification of genetic loci for grain yield related traits in the wheat population zhongmai 578 jimai 22 |
| topic | grain yield KASP marker QTL mapping SNP chip |
| url | http://www.sciencedirect.com/science/article/pii/S2095311922002878 |
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