BIOMETRY AND NON-DESTRUCTIVE ALLOMETRIC MODEL FOR ESTIMATING BABASSU (Attalea speciosa) FRUIT VOLUME AND DENSITIES

Renato Soares Vanderlei; José Vieira Silva; Flávia de Barros Prado Moura

doi:10.29327/ouricuri.9.2-1

Authors

Renato Soares Vanderlei Universidade Federal de Pernambuco http://orcid.org/0000-0003-0003-6049
José Vieira Silva Universidade Federal de Alagoas - Campus Arapiraca/ Professor http://orcid.org/0000-0003-3419-3755
Flávia de Barros Prado Moura Universidade Federal de Alagoas, Professor http://orcid.org/0000-0003-0014-9561

DOI:

https://doi.org/10.29327/ouricuri.9.2-1

Keywords:

Allometry, Fruit Shape, Ellipsoid Fruits.

Abstract

Biometric data of fruits, such as volume and density, can be applied for different ecological and economic purposes. Non-destructive allometric models based on morphometric dimensions can be more accurate and practical in field conditions than destructive methods used in traditional growth curves. Babassu is a Brazilian native palm tree with wide distribution whose fruits are of high importance for socioeconomic and cultural purposes, in addition to having high potential for biodiesel production. The objectives of this work were to analyse morphometric and biometrically the babassu fruits and create a non-destructive allometric model to estimate their volumes and densities from their dimensions. Weight, polar and longitudinal diameters, volume and density were measured in 156 fruits. The dimensions were applied in the formula to estimate the volume of an ellipsoid object, which matches the shape of the babassu fruit. The non-destructive allometric model was created by calculating a correction factor to adjust the precision of the formula. Our model improved the accuracy of volumes and densities calculated by 24%. Strong correlations were also found between the morphometric and biometric parameters. Therefore, this allometric model can be used to assist in selecting the most suitable fruits to improve economic, propagation and conservation studies.

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Author Biographies

Renato Soares Vanderlei, Universidade Federal de Pernambuco

Mestre em Biologia Vetal. Doutorando no Departamento de Botânica, Programa de Pós-Graduação em Biologia Vegetal (Conceito 6 CAPES) da Universidade Federal de Pernambuco

José Vieira Silva, Universidade Federal de Alagoas - Campus Arapiraca/ Professor

Centro de Ciências Agrárias, Fisiologia Vegetal.

Flávia de Barros Prado Moura, Universidade Federal de Alagoas, Professor

Coordenadora do Centro de Referencia em Recuperação de Áreas Degradadas do Baixo São Francisco (CRAD). Professora dos Programas de Pós Graduação em Diversidade Biológica e Conservação nos Trópicos (DIBICT-UFAL), Agricultura e Meio Ambiente (UFAL) e Ecologia Humana e Gestão Socioambiental(UNEB).

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