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Chromosome Karyotype Analysis and Evolutionary Trend of Half-Sib Families of Ancient Ginkgo Biloba L

Received: 9 January 2019     Accepted: 16 February 2019     Published: 6 March 2019
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Abstract

The karyotype of 28 families from Shandong, Zhejiang, Guizhou and other 12 provinces exist in half-sib families of ancient Ginkgo biloba gemplasm repository was studied by squashing method with young leaves from these families. Results: The results showed that the number of chromosomes in 28 families was 2n=2x=24. The medium-short chromosomes and the medium-long chromosomes were dominant. The karyotype consists of three types: median region chromosome (m), submedian region chromosome (sm) and subterminal region chromosome (st). 71# family is the most primitive, while the 40# family is the most evolved. Families from southwestern China have a low degree of evolution, while those from eastern and southern China have a high degree of evolution.

Published in Agriculture, Forestry and Fisheries (Volume 8, Issue 1)
DOI 10.11648/j.aff.20190801.12
Page(s) 10-17
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Ancient Ginkgo Half-Sib Families, Chromosome, Karyotype and Analysis, Evolutional Trend

References
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  • APA Style

    Sun Limin, Dong Yao, Sun Xia, Xing Shiyan, Zhang Yiqun, et al. (2019). Chromosome Karyotype Analysis and Evolutionary Trend of Half-Sib Families of Ancient Ginkgo Biloba L. Agriculture, Forestry and Fisheries, 8(1), 10-17. https://doi.org/10.11648/j.aff.20190801.12

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    ACS Style

    Sun Limin; Dong Yao; Sun Xia; Xing Shiyan; Zhang Yiqun, et al. Chromosome Karyotype Analysis and Evolutionary Trend of Half-Sib Families of Ancient Ginkgo Biloba L. Agric. For. Fish. 2019, 8(1), 10-17. doi: 10.11648/j.aff.20190801.12

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    AMA Style

    Sun Limin, Dong Yao, Sun Xia, Xing Shiyan, Zhang Yiqun, et al. Chromosome Karyotype Analysis and Evolutionary Trend of Half-Sib Families of Ancient Ginkgo Biloba L. Agric For Fish. 2019;8(1):10-17. doi: 10.11648/j.aff.20190801.12

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  • @article{10.11648/j.aff.20190801.12,
      author = {Sun Limin and Dong Yao and Sun Xia and Xing Shiyan and Zhang Yiqun and Zhao Jinhong},
      title = {Chromosome Karyotype Analysis and Evolutionary Trend of Half-Sib Families of Ancient Ginkgo Biloba L},
      journal = {Agriculture, Forestry and Fisheries},
      volume = {8},
      number = {1},
      pages = {10-17},
      doi = {10.11648/j.aff.20190801.12},
      url = {https://doi.org/10.11648/j.aff.20190801.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aff.20190801.12},
      abstract = {The karyotype of 28 families from Shandong, Zhejiang, Guizhou and other 12 provinces exist in half-sib families of ancient Ginkgo biloba gemplasm repository was studied by squashing method with young leaves from these families. Results: The results showed that the number of chromosomes in 28 families was 2n=2x=24. The medium-short chromosomes and the medium-long chromosomes were dominant. The karyotype consists of three types: median region chromosome (m), submedian region chromosome (sm) and subterminal region chromosome (st). 71# family is the most primitive, while the 40# family is the most evolved. Families from southwestern China have a low degree of evolution, while those from eastern and southern China have a high degree of evolution.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Chromosome Karyotype Analysis and Evolutionary Trend of Half-Sib Families of Ancient Ginkgo Biloba L
    AU  - Sun Limin
    AU  - Dong Yao
    AU  - Sun Xia
    AU  - Xing Shiyan
    AU  - Zhang Yiqun
    AU  - Zhao Jinhong
    Y1  - 2019/03/06
    PY  - 2019
    N1  - https://doi.org/10.11648/j.aff.20190801.12
    DO  - 10.11648/j.aff.20190801.12
    T2  - Agriculture, Forestry and Fisheries
    JF  - Agriculture, Forestry and Fisheries
    JO  - Agriculture, Forestry and Fisheries
    SP  - 10
    EP  - 17
    PB  - Science Publishing Group
    SN  - 2328-5648
    UR  - https://doi.org/10.11648/j.aff.20190801.12
    AB  - The karyotype of 28 families from Shandong, Zhejiang, Guizhou and other 12 provinces exist in half-sib families of ancient Ginkgo biloba gemplasm repository was studied by squashing method with young leaves from these families. Results: The results showed that the number of chromosomes in 28 families was 2n=2x=24. The medium-short chromosomes and the medium-long chromosomes were dominant. The karyotype consists of three types: median region chromosome (m), submedian region chromosome (sm) and subterminal region chromosome (st). 71# family is the most primitive, while the 40# family is the most evolved. Families from southwestern China have a low degree of evolution, while those from eastern and southern China have a high degree of evolution.
    VL  - 8
    IS  - 1
    ER  - 

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Author Information
  • Forestry College, Shandong Agricultural University, Tai’an, China

  • Forestry College, Shandong Agricultural University, Tai’an, China

  • College of Horticulture Science and Engineering, Shandong Agriculture University, Tai’an, China

  • Forestry College, Shandong Agricultural University, Tai’an, China

  • Yaoxiang Forest Farm of Shandong Province, Tai’an, China

  • Taishan Academy of Forestry Sciences, Tai’an, China

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