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This is accepted manuscript by the journal but prior to copy-editing or proofing. It can be cited using the author(s), article title, journal title, year of online publication, and DOI. It will be replaced by the final typeset version, which may therefore contain changes. The DOI will be remain the same.

ARTICLE   Open Access    

Genetic diversity and genetic structure of the natural population in the critical production area of Phoebe bournei

  • 1.

    Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, 311400, China

  • 2.

    Zhejiang Provincial Key Laboratory of Tree Breeding, Hangzhou 311400, China

  • 3.

    Fujian Academy of Forestry Sciences, Fuzhou 350012, China

  • 4.

    College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China

  • 5.

    Forest Seed and Seedling General Station of Fujian Province, Fuzhou 350003, Fujian, China

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  • Phoebe bournei, also known as "nanmu," is renowned for its exceptional material quality. However, the natural forest resources of P. bournei are increasingly scarce due to excessive logging and usage. This study utilized EST-SSR molecular marker technology to assess the genetic diversity and structure of nine natural populations of P. bournei, providing a theoretical foundation for the conservation and use of its germplasm resources. There was a notably high level of genetic diversity, with an average expected heterozygosity of 0.73. There were significant variances in genetic diversity among the populations. The Shunchang population in Fujian Province exhibited the highest genetic diversity (He = 0.83), which should be prioritized for conservation due to its extensive area and dispersed individual distribution. The population in Chongyi, Jiangxi Province, had the lowest genetic diversity (He = 0.60) due to inbreeding and its relatively small area. Genetic differentiation occurred primarily within populations (83.80%). On the other hand, high levels of differentiation existed between populations (FST = 0.1620). The genetic distance among populations was positively correlated with altitude, suggesting that altitude may impact the genetic differentiation of natural populations of P. bournei. Genetic structure and cluster analysis revealed that the nine natural populations of P. bournei were classified into two categories.

  • Cite this article

    Wang Y, Fan H, Zhou Z, Pan X, Tang X. 2024. Genetic diversity and genetic structure of the natural population in the critical production area of Phoebe bournei. Tropical Plants doi: 10.48130/tp-0024-0039
    Wang Y, Fan H, Zhou Z, Pan X, Tang X. 2024. Genetic diversity and genetic structure of the natural population in the critical production area of Phoebe bournei. Tropical Plants doi: 10.48130/tp-0024-0039
    shu

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Important Notice

This is accepted manuscript by the journal but prior to copy-editing or proofing. It can be cited using the author(s), article title, journal title, year of online publication, and DOI. It will be replaced by the final typeset version, which may therefore contain changes. The DOI will be remain the same.

ARTICLE   Open Access    

Genetic diversity and genetic structure of the natural population in the critical production area of Phoebe bournei

  • 1.

    Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, 311400, China

  • 2.

    Zhejiang Provincial Key Laboratory of Tree Breeding, Hangzhou 311400, China

  • 3.

    Fujian Academy of Forestry Sciences, Fuzhou 350012, China

  • 4.

    College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China

  • 5.

    Forest Seed and Seedling General Station of Fujian Province, Fuzhou 350003, Fujian, China

  • Received: 08 July 2024
  • Revised: 27 September 2024
  • Accepted: 08 October 2024
    • First-online: 13 October 2024
Tropical Plants  Article in press  ()  |  Cite this article

Abstract: Phoebe bournei, also known as "nanmu," is renowned for its exceptional material quality. However, the natural forest resources of P. bournei are increasingly scarce due to excessive logging and usage. This study utilized EST-SSR molecular marker technology to assess the genetic diversity and structure of nine natural populations of P. bournei, providing a theoretical foundation for the conservation and use of its germplasm resources. There was a notably high level of genetic diversity, with an average expected heterozygosity of 0.73. There were significant variances in genetic diversity among the populations. The Shunchang population in Fujian Province exhibited the highest genetic diversity (He = 0.83), which should be prioritized for conservation due to its extensive area and dispersed individual distribution. The population in Chongyi, Jiangxi Province, had the lowest genetic diversity (He = 0.60) due to inbreeding and its relatively small area. Genetic differentiation occurred primarily within populations (83.80%). On the other hand, high levels of differentiation existed between populations (FST = 0.1620). The genetic distance among populations was positively correlated with altitude, suggesting that altitude may impact the genetic differentiation of natural populations of P. bournei. Genetic structure and cluster analysis revealed that the nine natural populations of P. bournei were classified into two categories.

    Acknowledgments

    • This work was supported by the Seed Industry Innovation and Industrialization Engineering Project of Fujian Province (ZYCX-LY-2021005); the Forestry Seedling Technology Research Project Phase VII of Fujian Province (ZMGG-0708).

    Conflict of interest

    • The authors declare that they have no conflict of interest.

    Dates

    • Received 8 July 2024; Accepted 8 October 2024; Published online xxxxxx

    Rights and permissions
    • Copyright: © 2024 by the author(s). Published by Maximum Academic Press on behalf of Hainan University. This article is an open access article distributed under Creative Commons Attribution License (CC BY 4.0), visit https://creativecommons.org/licenses/by/4.0/.
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    Cite this article
    Wang Y, Fan H, Zhou Z, Pan X, Tang X. 2024. Genetic diversity and genetic structure of the natural population in the critical production area of Phoebe bournei. Tropical Plants doi: 10.48130/tp-0024-0039
    Wang Y, Fan H, Zhou Z, Pan X, Tang X. 2024. Genetic diversity and genetic structure of the natural population in the critical production area of Phoebe bournei. Tropical Plants doi: 10.48130/tp-0024-0039
    shu

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