RAPD markers in the discrimination of genetic variability in ornamental peppers

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https://doi.org/10.14295/cs.v14.3709

Resumo

Genetic variability in pepper genotypes has been widely assessed using phenotypic traits and molecular markers, which are essential to estimate the genetic divergence of the species and thus recommend parental individuals for breeding programs. In this scenario, this study aimed to evaluate the genetic divergence between ornamental pepper accessions (C. annuum L.) using RAPD molecular markers. Seventeen ornamental pepper accessions and one plant of the commercial cultivar Calypso were used in the study. The accessions were subjected to RAPD analysis with 15 primers. The analysis revealed high variability between the accessions and evidenced that accessions UFPB-355 and UFPB-348 were the most dissimilar, whereas accessions UFPB- 443 and UFPB-77.3 were the most similar. The accessions were grouped into three different groups, evidencing their genetic divergence The accessions characterized in this study are promising and can be used in future pepper breeding programs due to their high genetic variability. Moreover, the results obtained in this study

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Publicado

2022-10-22

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Pereira dos santos Rodrigues, C. A., Monteiro do Rêgo, M., dos Santos Pessoa, A. M., da Silva Sousa, E., & Ramalho do Rêgo, E. (2022). RAPD markers in the discrimination of genetic variability in ornamental peppers. Comunicata Scientiae, 14, e3709. https://doi.org/10.14295/cs.v14.3709

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