Germinação e avaliação morfológica de plântulas de pimentas (Capsicum spp.) cultivadas in vitro

Fernandes, Mariane Rabelo Coelho; Gomes, Bruno Henrique; Nogueira, Ana Paula Oliveira

doi:10.32406/v2n32019/62-75/agrariacad

Cited by 1 publication

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“…The pepper germplasm needs to be conserved to conduct any breeding project. Several studies have shown that the peppers in Brazil have a high genetic diversity (Carvalho et al, 2003;Ribeiro et al, 2008;Heinrich et al, 2015;Cardoso et al, 2018;Fernandes;Gomes;Nogueira, 2019;De Jesus et al, 2020).…”

Section: Resultsmentioning

confidence: 99%

“…The attributes of fruits and seeds obtained based on internationally presented descriptors (IPGRI, 1995) can help assess the genetic diversity of the species (Neitzke et al, 2014;Bernardo et al, 2018;Fernandes;Gomes;Nogueira, 2019). In this type of study, multivariate analyses complement traditional approaches and enhance the accuracy of data interpretation (Zago et al, 2017;Cardoso et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

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The role of the genetic diversity of Capsicum spp. in the conservation of the species: Qualitative and quantitative characterization

et al. 2023

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Peppers need to be characterized for the in situ conservation of species that might be important for breeding purposes. In this study, we characterized the diversity of 23 pepper genotypes through eight qualitative and 12 quantitative descriptors. The pepper samples were collected from the city of Manaus and in the municipalities of Rio Preto da Eva and Iranduba in the state of Amazonas. We performed descriptive analysis, analysis of variance, Pearson’s correlation analysis, and principal component analysis (PCA) and used the unweighted pair group method with arithmetic mean (UPGMA) to analyze the data. The differences between the genotypes for all descriptors evaluated were significant. Among the genotypes collected, four pepper species were identified, including Capsicum chinense (14 genotypes), Capsicum frutescens (two genotypes), Capsicum baccatum (one genotype), and Capsicum annuum (four genotypes), and two other genotypes were obtained with unidentified species. The PCA and UPGMA clustering methods could be used to efficiently differentiate between the genotypes by applying quantitative and qualitative descriptors of fruits and seeds. These methods helped to identify different genotypes (G1 and G15) and separate them into distinct groups associated with the distribution of species based on quantitative data only. Overall, our findings suggested that the genetic variability in Capsicum available in the State of Amazonas might be useful in breeding programs.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The role of the genetic diversity of Capsicum spp. in the conservation of the species: Qualitative and quantitative characterization

et al. 2023

View full text Add to dashboard Cite

show abstract

Germinação e avaliação morfológica de plântulas de pimentas (Capsicum spp.) cultivadas in vitro

Abstract: /agrariacad Germinação e avaliação morfológica de plântulas de pimentas (Capsicum spp.) cultivadas in vitro. Germination and morphological evaluation of peppers (Capsicum spp.) cultivated in vitro.

Cited by 1 publication

References 8 publications

The role of the genetic diversity of Capsicum spp. in the conservation of the species: Qualitative and quantitative characterization

The role of the genetic diversity of Capsicum spp. in the conservation of the species: Qualitative and quantitative characterization

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