Analysis of agronomic and chemical-nutritional variability of fruits in Amazon germplasm of Capsicum chinense


  • Santina R. SANTANA Federal University of Rondônia, Fishery Engineering Department, Presidente Médici, RO (BR)
  • Derly J. H. da SILVA Federal University of Viçosa, Department of Agronomy, Viçosa, MG (BR)
  • Leonardo L. BHERING Federal University of Viçosa, Department of General Biology, Viçosa, MG (BR)
  • Ronaldo S. GOMES Federal University of Viçosa, Department of Agronomy, Viçosa, MG (BR)
  • Renato D. S. ROSADO Federal University of Viçosa, Department of Agronomy, Viçosa, MG (BR)
  • Paula C. C. LIMA Federal University of Viçosa, Department of Agronomy, Viçosa, MG (BR)



characterization; conservation; pepper; breeding; vitamin C


Fruits of Capsicum chinense, a native species of Amazon Basin, express high levels of bioactive components such as vitamin C and carotenoids; some of them with pronounced pro-vitamin A activity such as β-carotene, which confers high economic potential to this species. The characterization of C. chinense germplasm helps in its management and conservation. Therefore, this practice is considered crucial for the identification of genotypes with superior characteristics, especially in relation to agronomic aspects and chemical-nutritional characteristics of fruits. This study aimed to characterize 55 C. chinense accessions collected from the Brazilian Amazon in terms of their agronomic and chemical-nutritional descriptors aiming to identify superior genotypes for these traits. The characterization was performed in a completely randomized design with 5 replications in non-heated environment. There was significant difference for all descriptors, confirming the variability among accessions. High heritability estimates for descriptors, such as fruit yield (95.1%) and vitamin C content of fruit (92.4%), was found to be associated with high CVg/CVe ratios of these traits, indicating a favorable condition for the selection of superior genotypes for these characteristics. A considerable part of the accessions expressed averages higher than the checks, notably for the fruit yield and the content of vitamin C. The cluster analysis resulted in the formation of 11 groups, corroborating the high variability of accessions for the agronomic and chemical-nutritional aspects of fruits. The evaluated C. chinense germplasm thus expressed high fruit yield and vitamin C content in the fruits, which makes it a promising source for the selection of superior genotypes.


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How to Cite

SANTANA, S. R., da SILVA, D. J. H. ., BHERING, L. L. ., GOMES, R. S. ., ROSADO, R. D. S. ., & LIMA, P. C. C. . (2020). Analysis of agronomic and chemical-nutritional variability of fruits in Amazon germplasm of Capsicum chinense . Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 48(4), 2198–2214.



Research Articles
DOI: 10.15835/nbha48412043

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