Revista: | Genetics and molecular biology |
Base de datos: | PERIÓDICA |
Número de sistema: | 000459262 |
ISSN: | 1415-4757 |
Autors: | Wang, Zhangjun1 Li, Qingfeng2 Liu, Caixia2 Liu, Fenglou2 Xu, Nali2 Yao, Mingming2 Yu, Huixia2 Wang, Yanqing2 Chen, Jiajing2 Bai, Shuangyu2 Yang, Jingxin2 Sun, Gang2 Long, Jiaohui2 Fan, Yalei2 Kang, Ling3 Li, Hongxia3 Zhang, Xiaogang2 Liu, Shengxiang2 |
Institucions: | 1Nanjing Agricultural University, Cytogenetics Institute, Nanjing, Jiangsu. China 2Ningxia University, School of Agriculture, Yinchuan, Ningxia. China 3Ningxia Academy of Agricultural-Forestry Sciences, Institute of Crop Sciences, Yinchuan, Ningxia. China |
Any: | 2022 |
Volum: | 45 |
Número: | 3 |
País: | Brasil |
Idioma: | Inglés |
Tipo de documento: | Artículo |
Enfoque: | Experimental, analítico |
Resumen en inglés | Hordeum californicum (H. californicum, 2n=2X=14, HcHc), one of the wild relatives of wheat (Triticum aestivum L.), harbors many desirable genes and is a potential genetic resource for wheat improvement. In this study, an elite line ND646 was selected from a BC4F5 population, which was developed using 60Co-γ irradiated wheat-H. californicum disomic addition line WJ28-1 (DA6Hc) as the donor parent and Ningchun 4 as the recurrent parent. ND646 was identified as a novel wheat-H. californicum 6HcS/6BL translocation line using genomic in situ hybridization (GISH), fluorescence in situ hybridization (FISH), and H. californicum-specific expressed sequence tag (EST) markers. Further evaluation revealed that ND646 had excellent performance in several traits, such as a higher sedimentation value (SV), higher water absorption rate (WAR), and higher hardness index (HI). More importantly, it had more kernels per spike (KPS), a higher grain yields (GY), and good resistance to powdery mildew, leaf rust, and 2,4-D butylate (2,4-D). Its excellent phenotypic performance laid the foundation for further investigation of its genetic architecture and makes ND646 a useful germplasm resource for wheat breeding |
Disciplines | Biología |
Paraules clau: | Genética, Gramíneas, Trigo, Hordeum californicum, Translocación genética, Biología molecular |
Keyword: | Genetics, Gramineae, Wheat, Hordeum californicum, Genetic translocation, Molecular biology |
Text complet: | Texto completo (Ver HTML) Texto completo (Ver PDF) |