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Electron. j. biotechnol ; Electron. j. biotechnol;46: 50-54, jul. 2020. tab, graf, ilus
Artículo en Inglés | LILACS | ID: biblio-1223243

RESUMEN

BACKGROUND: Pomegranate (Punica granatum L.), one of the most important tropical fruits in Azad Jammu and Kashmir regions of Pakistan, is highly valued for its nutrition and medicinal purposes. Although pomegranate is native to this region, the genetic diversity among wild pomegranate accessions is currently unknown. Such information would be vital for germplasm conservation and breeding efforts. In the current study, genetic diversity among forty-eight wild pomegranate accessions collected from different agro-ecological zones of Azad Jammu and Kashmir was assessed using 41 simple sequence repeat (SSR) markers. RESULTS: The markers revealed 303 alleles averaging 7.39 alleles per marker. Polymorphic information content ranged from 0.12 (PGCT093B) to 0.88 (Pom006), with a mean of 0.54. The average genetic distance (GD) across all genotypes was 0.52, and was lowest between Chattar Class and Thorar genotypes (GD = 0.27), but highest between Khun Bandway and Akhor Ban (GD = 0.74). A neighbor-joining dendrogram separated the genotypes into three major clusters, with further sub-clustering within each cluster. CONCLUSIONS: Overall, the results presented here show significant genetic diversity among wild pomegranate accessions in Azad Jammu and Kashmir region of Pakistan. These accessions present a valuable genetic resource to breeding and cultivar improvement programs within the region.


Asunto(s)
Variación Genética , Granada (Fruta)/genética , Pakistán , ADN , Repeticiones de Microsatélite , Alelos
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