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Marker Assisted Selection Efforts for Quality Protein Maize (QPM)

机译:优质蛋白质玉米(QPM)的标记辅助选择工作

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摘要

In the present study, the SSR primer phi057 proved to be an effective tool in QPM breeding efforts, and was used in identifying o2 genotypes in the improved QPM populations and the advanced lines developed from the QPM populations. Remarkable genetic drift in the o2 locus was found in the improved populations and during the development of inbred lines from the QPM populations. The marker was also used sucessfully in marker assisted selection efforts in converting the normal elite inbred lines into QPM lines in a backcross breeding program. In addition, the AFLP technique was shown to be powerful for background selection in the backcross program. A promising strategy to combine SSR in primary selection and AFLP in genetic background selection was successfully used in QPM breeding.
机译:在本研究中,SSR引物phi057被证明是QPM育种工作的有效工具,并用于鉴定改良QPM种群和从QPM种群发展而来的高级品系中的o2基因型。在改良的种群和QPM种群的近交系发育过程中,发现了o2基因座的显着遗传漂移。该标记还成功用于标记辅助选择工作中,以在回交育种程序中将普通的优良自交系转化为QPM系。另外,在回交程序中,AFLP技术显示出强大的背景选择功能。在QPM育种中成功地采用了一种有前途的策略,将SSR进行初级选择,将AFLP进行遗传背景选择。

著录项

  • 来源
  • 会议地点 Beijing(CN)
  • 作者单位

    Qingzhen Tian@AMBIONET-China Lab, Maize Research Center, Institute of Crop Science, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Haidian District, Beijing 100081, P. R. China--Min Song@AMBIONET-China Lab, Maize Research Center, Institute of Crop Science, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Haidian District, Beijing 100081, P. R. China--Wei Jiang@AMBIONET-China Lab, Maize Research Center, Institute of Crop Science, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Haidian District, Beijing 100081, P. R. China--Mingshun Li@AMBIONET-China Lab, Maize Research Center, Institute of Crop Science, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Haidian District, Beijing 100081, P. R. China-;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 玉米(玉蜀黍);
  • 关键词

    Quality protein maize; MAS (Marker Assisted Selection); SSR; AFLP;

    机译:优质蛋白玉米; MAS(标记辅助选择); SSR; AFLP;

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