LIU Yang,WANG Yan,ZHAN Yu-hang,et al.Genetic Model Analysis of Soybean 100-seed Weight Across Different Genetic Backgrounds[J].Soybean Science,2016,35(02):193-200.[doi:10.11861/j.issn.1000-9841.2016.02.0193]
不同遗传背景下大豆百粒重的遗传模型分析
- Title:
- Genetic Model Analysis of Soybean 100-seed Weight Across Different Genetic Backgrounds
- 文献标志码:
- A
- 摘要:
- 以1个共同亲本（合丰25）衍生的3个重组自交系（合丰25×Bayfield杂交衍生的144个F2∶12，合丰25×Conrad杂交衍生的140个F2∶11，合丰25×Mapple Arrow杂交衍生的117个 F2∶12）为研究材料，利用主基因+多基因遗传体系对这3个群体在2013年哈尔滨环境条件下的百粒重遗传模型进行分析。结果表明：合丰25×Conrad群体后代大豆百粒重遗传呈现2对主基因+多基因遗传模型，合丰25 ×Mapple Arrow群体后代大豆百粒重遗传呈现主基因+加性多基因的遗传模型，合丰25×Baybield杂交群体后代大豆百粒重遗传呈现2对主基因+多基因遗传模型，表明有相似的遗传背景的重组自交系群体在相同环境条件下，具有类似的遗传模型，为大豆高产育种提供了有益的参考。
- Abstract:
- This study analyzed the genetic model of soybean 100-seed weight across different genetic backgrounds, aims to provide an useful reference for understanding inheritance of soybean 100-seed weight and assist high-yield soybean breeding. In this study, a total of 3 recombinant inbred populations (140 F2∶12?recombinant inbred lines from the cross of ‘Hefeng 25’ and ‘Conrad’, 117 F2∶11 recombinant inbred lines from the cross of ‘Hefeng 25’ and ‘Maple Arrow’, and 144 F2∶12recombinant inbred lines from the cross of ‘Hefeng 25’ and ‘Bayfield’, respectively), derived from a common parent (‘Hefeng 25’), were used as materials.The major gene and polygene genetic system were used to analyze the genetic model of seed weight in those 3 populations in 2013 Harbin environment 100-seed weight of the population (‘Hefeng 25’בConrad’) was controlled by two major genes and polygenes, 100-seed weight of the population (‘Hefeng 25’בMaple Arrow’) was controlled by major genes and additive polygenes, while 100-seed weight of the population (‘Hefeng 25’בBayfield’) was controlled by two major genes and polygenes. These results showed that populations that had similar genetic backgrounds in same environment could display similar genetic models, which could be useful for further understanding the genetic law
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备注/Memo
基金项目：国家重点基础研究发展计划“973计划”前期项目（2012CB126311）；国家自然科学基金（31201227，31301339）；国家“十二五”科技支撑计划（2011BAD35B06-1）；现代农业产业技术体系（CARS-04-PS04）； 中国博士后项目（20110491024）；黑龙江省博士后项目(LBH11220，LBH-TZ1210)；黑龙江省教育厅青年学术骨干项目（1252G014）；黑龙江省教育厅新世纪优秀人才项目（1253-NCET-005）；教育部博士点项目（20122325120012）；东北农业大学博士后启动金项目（2012RCB11）。