Phenotypic divergence of Handroanthus impetiginosus through digital images
DOI:
https://doi.org/10.4336/2024.pfb.44e202202257Keywords:
Seed analysis, Morphology descriptors, ConservationAbstract
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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