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Peach genomics and breeding programs at Zhengzhou Fruit Research Institute, CAAS

机译:郑州水果研究所桃子基因组学与育种计划,CAAS

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摘要

Zhengzhou Fruit Research Institute (ZFRI), Chinese Academy of Agricultural Sciences (CAAS) has acquired some advances in genetic resources, genomics and breeding programs over recent decades. We collect more than 1200 peach accessions 'from around theworld, including wild relatives, landrace, and improvement cultivars. The book Peach Genetic Resources in China was published in 2012, which describes the diversity of peach and important agronomic traits for each accession. By a '1000 peach genomes' project, we re-sequenced whole genomes of1000 accessions which marks the biggest genome sequencing project in fruit species. Through comparative population genomics analyses, the domestication history of the peach and human influences on perennial fruit crops were revealed. Genome-wide association study of 12 agronomic traits in peach identify candidate markers and genes that contribute to the large-scale characterization of genes controlling agronomic traits in peach. Based on the results of GWAS, we have developed a series of molecular markers which can be used to early identification on fruit related traits in juvenile phase. Using the widely collected jgermplasm, in the past 20 years, we have released more than 50 new cultivars, including 11 peaches,17 nectarines, 12 flat peaches and 10 ornamental peaches, some of these cultivars are planted wildly in China.
机译:中国农业科学院郑州果研究所(ZFRI)在近几十年中获得了遗传资源,基因组学和育种计划的一些进展。我们收集来自世界各地的1200多个桃子加入,包括野生亲戚,兰德斯和改善品种。中国书籍桃子遗传资源于2012年出版,该资源于2012年出版,该资源描述了每次加入的桃子和重要农艺性状的多样性。通过“1000桃基因组织”项目,我们重新测序了1000个摘要的全基因组,标志着果实物种中最大的基因组测序项目。通过比较群体基因组学分析,揭示了桃子和人类影响常年水果作物的驯化史。桃子鉴别候选标志物和基因12种农艺性状的基因组 - 宽协会研究导致桃子中农艺性状的基因大规模表征的大规模表征。基于GWAS的结果,我们开发了一系列分子标记,可用于早期鉴定幼年相中的果实相关性状。在过去的20年里,使用广泛收集的jgermplasm,我们释放了超过50种新品种,其中包括11个桃子,17个油线,12个平桃和10个装饰桃子,其中一些品种在中国种植。

著录项

  • 来源
    《Acta Horticulturae》 |2020年第1282期|共6页
  • 作者

    W. Lirong; L. Yong; Z. Gengrui;

  • 作者单位

    Zhengzhou Fruit Research Institute Chinese Academy of Agricultural Sciences Zhengzhou China;

    Zhengzhou Fruit Research Institute Chinese Academy of Agricultural Sciences Zhengzhou China;

    Zhengzhou Fruit Research Institute Chinese Academy of Agricultural Sciences Zhengzhou China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 园艺;
  • 关键词

    peach; breeding; genome sequencing; GWAS; new cultivars;

    机译:桃;育种;基因组测序;GWAS;新品种;

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