Divergência fenotípica de Handroanthus impetiginosus por meio de imagens digitais

Jéssica Maia Alves Pimenta; Wendy Mattos Andrade Teixeira de  Souza; Rômulo Henrique Teixeira do Egito; Cibele dos Santos Ferrari; Mauro Vasconcelos Pacheco

doi:10.4336/2024.pfb.44e202202257

Authors

Jéssica Maia Alves Pimenta Universidade Federal do Rio Grande do Norte, Unidade Acadêmica Especializada em Ciências Agrárias https://orcid.org/0000-0003-1009-7582
Wendy Mattos Andrade Teixeira de Souza Universidade Federal do Rio Grande do Norte, Unidade Acadêmica Especializada em Ciências Agrárias https://orcid.org/0000-0002-4871-5289
Rômulo Henrique Teixeira do Egito Universidade Federal do Rio Grande do Norte, Unidade Acadêmica Especializada em Ciências Agrárias https://orcid.org/0000-0002-1896-7354
Cibele dos Santos Ferrari Universidade Federal do Rio Grande do Norte, Unidade Acadêmica Especializada em Ciências Agrárias https://orcid.org/0000-0003-2940-0190
Mauro Vasconcelos Pacheco Universidade Federal do Rio Grande do Norte, Unidade Acadêmica Especializada em Ciências Agrárias https://orcid.org/0000-0002-0447-9800

DOI:

https://doi.org/10.4336/2024.pfb.44e202202257

Keywords:

Seed analysis, Morphology descriptors, Conservation

Abstract

Handroanthus impetiginosus (Bignoniaceae) is a tree species recognized for its ecological and economic potential. Carrying out studies aimed at the genetic divergence of this species is essential in order to establish conservation and genetic breeding programs. In this context, we aimed at to analyze the phenotypic divergence among 63 trees of a population of H. impetiginosus from biometric characters of seeds obtained through digital image processing techniques. The eight characters obtained were analyzed using univariate statistical approach (descriptive analysis and simple correlation) and multivariate analysis (principal component analysis and cluster analysis). The results indicate that all biometric variables influence the variability among trees of H. impetiginosus. The digital images in the seeds biometry evidenced the existence of phenotypic divergence, demonstrating efficiency to detect differences. Therefore, they are morphological markers that can help in the differentiation of genotypes of H. impetiginosus and contribute to phenotypic divergence studies.

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Author Biographies

Jéssica Maia Alves Pimenta, Universidade Federal do Rio Grande do Norte, Unidade Acadêmica Especializada em Ciências Agrárias

http://lattes.cnpq.br/9538249820655293

Wendy Mattos Andrade Teixeira de Souza, Universidade Federal do Rio Grande do Norte, Unidade Acadêmica Especializada em Ciências Agrárias

http://lattes.cnpq.br/4359121174649671

Rômulo Henrique Teixeira do Egito, Universidade Federal do Rio Grande do Norte, Unidade Acadêmica Especializada em Ciências Agrárias

http://lattes.cnpq.br/0150855192643313

Cibele dos Santos Ferrari, Universidade Federal do Rio Grande do Norte, Unidade Acadêmica Especializada em Ciências Agrárias

http://lattes.cnpq.br/7629392011792509

Mauro Vasconcelos Pacheco, Universidade Federal do Rio Grande do Norte, Unidade Acadêmica Especializada em Ciências Agrárias

http://lattes.cnpq.br/1488351961014416

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