1983～2010年北京大豆育成品种的亲本地理来源及其遗传贡献

• 作 者: 刘章雄 李卫东 孙石 常汝镇 邱丽娟
• 机 构: 农作物基因资源与遗传改良国家重大科学工程/农业部作物种质资源利用重点开放实验室/中国农业科学院作物科学研究所,河南省农业科学院经济作物研究所,
• 出 处: 大豆科学
• 发表日期: 2013年01期
• 关键词: 大豆 亲本 地理来源 遗传贡献

追溯品种系谱可以揭示品种演变特点,总结亲本选配经验,并指导育种实践。对1983～2010年北京育种单位育成90个大豆品种的系谱分析表明,共来源于100个细胞核祖先亲本和25个细胞质亲本,平均每个育成品种有1.11个细胞核祖先亲本。国内祖先亲本主要来源于黄淮,国外祖先亲本来源于美国。21个祖先亲本累积核贡献大、衍生品种多,为核心祖先亲本。随着时间推移,现有育成品种作为亲本利用的趋势在增加。相较而言,北京市大豆育成品种遗传基础较为丰富,但还需加强新种质研究利用,以扩大品种的核质基础。

Tracing the pedigree of pedigree can reveal the evolvement of breed, summarize the matching experiences of parents and guide the breeding practice. A phylogenetic analysis of 90 soybean cultivars bred in Beijing breeding units from 1983 to 2010 showed that there were 1.11 nuclear ancestral parents derived from 100 nuclear progeny and 25 cytoplasmic parents. Domestic ancestral parents mainly come from Huanghuai, foreign parents come from the United States. 21 ancestral parents accumulated nuclear contribution, derivative species, as the core ancestral parents. As time goes by, there is an increasing trend of utilization of existing bred varieties as parents. In contrast, the genetic basis of Beijing soybean breeding varieties is rich, but also need to strengthen the research and utilization of new germplasm, in order to expand the varieties of nuclear basis.