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Home > Archive>Volume 24, Issue 4, 2023 >911-916. DOI:10.13430/j.cnki.jpgr.20230201001
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Construction and Utilization of Applied Core Collection in Maize
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Affiliation:

1.Institute of Crop Sciences， Chinese Academy of Agricultural Sciences， Beijing 100081;2.Cereal Crop Research Institute， Henan Academy of Agricultural Science， Zhengzhou 450002;3.Institute of Maize Research， Heilongjiang Academy of Agricultural Sciences， Harbin 150086

Fund Project:

Foundation projects： National Key R&D Program of China （2021YFD1200700）；Fundamental Research Funds for Central Non-Profit of Institute of Crop Sciences， Chinese Academy of Agricultural Sciences （CAAS-ZDRW202109）； Innovation Program of CAAS

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    Abstract:

    The applied core collection is the set of elite germplasm constructed to solve breeding problems， which also greatly embody the tight connections between germplasm research and crop breeding. Considering the present research status of core collection， we clarified the basic category and characteristics of maize applied core collection， and proposed that on the basis of core collection， the construction of maize applied core collection by integrating elite alleles of important breeding traits will be the focus of maize germplasm research. The constructed applied core collection would be suitable for the maize breeding of various ecological regions， with clear heterosis groups， clear elite alleles， but without obvious genetic burden. At last， the key issues of the construction of maize applied core collection are discussed， by which to promote the development of maize applied core collection and also to provide permanent supports for the research of breeding in China.

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History
  • Received:February 01,2023
  • Revised:February 14,2023
  • Online: June 13,2023
  • Published: June 14,2023
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