文献类型： 外文期刊
作者： Ji, Guisu 1 ; Wang, Jinping 1 ; Zhang, Zhiyue 2 ; Shi, Yannan 1 ; Du, Ruiheng 1 ; Jiang, Yanmiao 1 ; Liu, Shaoxing 3 ; Wang, Xindong 3 ; Sun, Andong 1 ; Wang, Xinyu 1 ; Zhang, Nana 1 ; Niu, Jingtian 1 ; Wu, Liyong 4 ; Lv, Peng 1 ;
作者机构： 1.Hebei Acad Agr & Forestry Sci, Inst Millet Crops, Hebei Branch China, Natl Sorghum Improvement Ctr, Shijiazhuang 050035, Hebei, Peoples R China
2.City Univ Hong Kong, Hong Kong, Peoples R China
3.Hebei Acad Agr & Forestry Sci, Inst Cereal & Oil Crops, Shijiazhuang 050035, Hebei, Peoples R China
4.Agr Technol Extens Stn Ningjin Cty, Shijiazhuang 050000, Hebei, Peoples R China
关键词： Sorghum bicolor; QTLs; SLAF Marker; F-2 Population; Agronomic traits
期刊名称：EUPHYTICA （ 影响因子：2.185； 五年影响因子：2.387 ）
ISSN： 0014-2336
年卷期： 2022 年 218 卷 10 期
页码：
收录情况： SCI
摘要： Specific-locus amplified fragments (SLAF) is widely used to identify QTLs in crops. In our study, 11 agronomic traits were evaluated including plant height (PH), number of stem nodes (NSN), stem diameter (SD), panicle neck length (PNL), panicle length (PL), fresh stem weight (FSW), stem juice weight (SJW), Brix, panicle weight (PW), 100-grain weight (HGW) and number of days to heading (HD). After genome-wide SLAF marker analysis, 12 QTLs of 7 traits were obtained and located on five chromosomes. QTLs of plant height (qPH1, qPH2, qPH3) were detected on Chr 6 and Chr 9, with the phenotypic variations explaining (PVE) 27.13-29.02%. Two QTLs of fresh stem weight (qFSW1, qFSW2) were also detected on Chr 6 and Chr 9, which explained 27.10% and 16.08% of the phenotype variations, respectively. Besides, QTLs of Brix (qBRIX1, qBRIX2) were located on Chr 7 (PVE 11.70%) and Chr 9 (PVE 7.23%). qHD1 and qHD2 were mapped on Chr 1(PVP 31.56%) and Chr 6 (PVP 17.65%). Moreover, QTLs of both number of stem nodes (qNSN) and stem juice weight (qSJW) were detected on Chr 6, with PVE value 17.63% and 37.68%, respectively. The QTL controlling panicle neck length (qPNL) was located on Chr 3 and it explained 14.25% of the phenotype variation. Overall, the QTLs identified in this study can be to increase our understanding of the inheritance of the agronomic traits and gene cloning in sorghum.
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