Propriedades da madeira de três espécies sul-americanas plantadas em consórcio

Eduardo Luiz Longui; Guilherme Henrique Custódio; Maurício Ranzini; Alexandre Marques da Silva; Miguel Luiz Menezes Freitas; José Cambuim; Mario Luiz Teixeira de Moraes; Israel Luiz de Lima

doi:10.53661/1806-9088202448263803

Authors

Eduardo Luiz Longui Instituto de Pesquisas Ambientais, São Paulo, SP, Brasil https://orcid.org/0000-0002-7610-9147
Guilherme Henrique Custódio Instituto de Pesquisas Ambientais, São Paulo, SP, Brasil https://orcid.org/0000-0001-7682-4098
Maurício Ranzini Instituto de Pesquisas Ambientais, São Paulo, SP, Brasil https://orcid.org/0000-0001-8795-7013
Alexandre Marques da Silva Universidade Estadual Paulista, Ilha Solteira, SP, Brasil https://orcid.org/0000-0001-6939-8430
Miguel Luiz Menezes Freitas Instituto de Pesquisas Ambientais, São Paulo, SP, Brasil https://orcid.org/0000-0001-8882-0908
José Cambuim Universidade Estadual Paulista, Ilha Solteira, SP, Brasil https://orcid.org/0000-0003-0839-633X
Mario Luiz Teixeira de Moraes Universidade Estadual Paulista, Ilha Solteira, SP, Brasil https://orcid.org/0000-0002-1076-9812
Israel Luiz de Lima Instituto de Pesquisas Ambientais, São Paulo, SP, Brasil https://orcid.org/0000-0002-4868-6414

DOI:

https://doi.org/10.53661/1806-9088202448263803

Keywords:

Forest management, Physicomechanical properties, Tropical Brazilian wood

Abstract

The use of tropical wood species in reforestation can be an alternative resource to meet the demand from the industrial wood sector. However, this strategy remains very limited, even while tropical forests continue to be deliberately exploited for the selective extraction of native species of highly commercial value. To test the potential of tropical species in reforestation, it is first necessary to evaluate the production and quality of the wood produced. Therefore, this study aimed to evaluate the quality Astronium urundeuva, Astronium fraxinifolium and Terminalia argentea woods, all aged 22 years, from a heterogeneous plantation located in the municipality of Selvíria-MS. From each species, 15 trees were selected. A 10 cm thick disc was removed from the base of each tree. Samples were taken from the discs near the bark region to evaluate the anatomical characteristics and the physical and mechanical properties of the wood. According to the results, it was found that only compressive strength did not differ significantly among the species. Astronium urundeuva presented the highest values for basic density and apparent density, and Terminalia argentea presented the highest values for fiber length, fiber wall thickness and vessel element diameter. The best Pearson correlations were found for basic density and apparent density, both for Astronium fraxinifolium and Astronium urundeuva. The best regression equations obtained were correlations between basic density and apparent density for Astronium fraxinifolium and Astronium urundeuva. The linear model best fits the data for these correlations. The greater growth of Terminalia argentea trees caused lower wood density owing to the lower rate of competition among trees. Based on the results and according to wood strength standards, the three species can be classified in the D40 strength class. According to the obtained results, these can support information to be compared with some species used commercially for structural purposes and other uses.

Keywords: Forest management; Physicomechanical properties; Tropical Brazilian wood