Identification of a stable major QTL for fresh-seed germination on chromosome Arahy.04 in cultivated peanut (Arachis hypogaea L.)
文献类型： 外文期刊
作者： Zhang, Maoning 1 ; Zeng, Qing 3 ; Liu, Hua 1 ; Qi, Feiyan 1 ; Sun, Ziqi 1 ; Miao, Lijuan 1 ; Li, Xiaona 1 ; Li, Chenyu 1 ; Liu, Debing 4 ; Guo, Junjia 1 ; Zhang, Mengyuan 5 ; Xu, Jing 1 ; Shi, Lei 1 ; Tian, Mengdi 1 ; Dong, Wenzhao 1 ; Huang, Bingyan 1 ; Zhang, Xinyou 1 ;
作者机构： 1.Zhengzhou Univ, Henan Acad Agr Sci, Henan Acad Crop Mol Breeding, Innovat Base,State Ind Innovat Ctr Biol Breeding,K, Zhengzhou 450002, Henan, Peoples R China
2.Zhengzhou Univ, Sch Agr Sci, Zhengzhou 450002, Henan, Peoples R China
3.Chinese Acad Agr Sci, Inst Cotton Res, State Key Lab Cotton Biol, Anyang 455000, Henan, Peoples R China
4.Technol Hainan Univ, Coll Appl Sci, Danzhou 571737, Hainan, Peoples R China
5.Henan Univ Sci & Technol, Coll Agr, Luoyang 471023, Henan, Peoples R China
关键词： Peanut; QTL mapping; Fresh -seed germination (FSG); Dynamic germination; KASP
期刊名称：CROP JOURNAL （ 影响因子：4.647； 五年影响因子：5.781 ）
ISSN： 2095-5421
年卷期： 2022 年 10 卷 6 期
页码：
收录情况： SCI
摘要： Fresh-seed germination (FSG) impairs peanut production, especially in areas where the peanut harvest season coincides with rainy weather. Developing FSG-resistant cultivars by molecular breeding is expected to mitigate yield loss and quality impairment caused by FSG. However, the genetic control of FSG awaits elucidation. In this study, FSG at 1, 3, 5, 7, and 9 days post-imbibition in three environments were tested, and quantitative-trait loci (QTL) associated with FSG were mapped in a peanut recombinant inbred line population by leveraging existing high-density peanut genetic maps. Of 24 QTL identified in 13 linkage groups, qFSGA04 was a stable major QTL on linkage group 04 (LG04). It was consistently detected in five germination stages and three environments. By designing and validating DNA markers in the confidence interval of qFSGA04, we identified one single-nucleotide polymorphism and one InDel closely associated with FSG that could be used as linked markers for FSG resistance in peanut breeding.(c) 2022 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BY-NC -ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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