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Does the faxinal system help to maintain the genetic diversity of Curitiba prismatica (D.Legrand) Salywon & Landrum?

CERNE, 2022, Vol.28 [Peer Reviewed Journal]

This work is licensed under a Creative Commons Attribution 4.0 International License. ;ISSN: 0104-7760 ;ISSN: 2317-6342 ;EISSN: 0104-7760 ;DOI: 10.1590/01047760202228013012

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  • Title:
    Does the faxinal system help to maintain the genetic diversity of Curitiba prismatica (D.Legrand) Salywon & Landrum?
  • Author: Silva, Richeliel Albert Rodrigues ; Vieira, Fábio de Almeida ; Tambarussi, Evandro Vagner ; Chagas, Kyvia Pontes Teixeira das ; Watzlawick, Luciano Farinha ; Koehler, Henrique Soares
  • Subjects: FORESTRY
  • Is Part Of: CERNE, 2022, Vol.28
  • Description: ABSTRACT Background: Curitiba prismatica (D.Legrand) Salywon & Landrum belongs to the Myrtaceae family and it is popularly known as murta. Endemic to the Mixed Ombrophilous Forest of south Brazil, is predominant in Faxinal System, which is a traditional agricultural system in the State of Paraná. This species also has several uses and potentials, such as wood for fence posts and essential oils with pharmacological properties. For this reason, this study aimed to select molecular markers and assess whether the Faxinal System contributes to the maintenance of the genetic diversity of the species, helping in its management and conservation. As such, 120 adult reproductive individuals were sampled, 60 in two areas managed in the Faxinal System, and 60 in two conservation areas. Results: Initially, 30 ISSR markers were selected, but only eight showed considerable variability, resulting in 68 polymorphic loci. The results show that the average diversity within populations is 80.54%. The Shannon (I) and Nei’s (He) diversity indices were 0.53 and 0.36, respectively. According to Nei’s genetic identity, the populations form two groups. With the analysis of the genetic structure of the populations, which indicated the existence of two distinct genetic groups (K = 2). Conclusion: Thus, the populations in the Faxinal System had higher rates of genetic diversity, despite constant human activity within the system. Therefore, the Faxinal System contributes to the conservation of C. prismatica genetic diversity; however, considering the economic potential of the species and to minimize impacts on the existing fragments, there is a need to work with the local population to ensure sustainable forest management of the species.
  • Publisher: UFLA - Universidade Federal de Lavras
  • Language: English;Portuguese
  • Identifier: ISSN: 0104-7760
    ISSN: 2317-6342
    EISSN: 0104-7760
    DOI: 10.1590/01047760202228013012
  • Source: SciELO
    Alma/SFX Local Collection
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