文献类型: 外文期刊
作者: Zeng, DL;Qian, Q;Dong, GJ;Zhu, XD;Dong, FG;Teng, S;Luo, LB;Cao, LY;Cheng, SH;Xiong, ZM
作者机构:
关键词: indica rice;agronomic trait;morphological marker;isogenic lines
期刊名称: ACTA BOTANICA SINICA
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: A total of 28 accessions of rice (Oryza sativa L.) germplasms were collected from International Rice Research Institute (IRRI), Philippine and Gene Pool of China National Rice Research Institute (CNRRI). These germplasms were attributed as a Donor Gene Pool, consisting of 27 diverse morphological marker lines with each having a unique valuable trait (gene), and the recurrent parent―Zhefu 802, an early-season indica cultivar in south of China in the 1980s and 1990s. A set of 27 isogenic lines with 2-3 markers on every chromosome were obtained after more than 10 successive backcrosses. Moreover, 15 accessions of double-marker isogenic lines were developed by further pyramiding markers on the same chromosome. Key agronomic traits such as heading date, plant height, tillering number and panicle length in this set of lines were similar to that of Zhefu 802 except the marker traits.
分类号: Q94
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