Air-Drying Performance of Three Genotypes of Teak Wood
2024
Theonizi Angélica Silva Albuês | Daiane de Moura Borges Maria | João Paulo Sardo Madi | Alexandre Behling | Djeison Cesar Batista | Pedro Henrique Gonzalez de Cademartori | Ricardo Jorge Klitzke | Márcio Pereira da Rocha | Bárbara Luísa Corradi Pereira | Aylson Costa Oliveira
The clonal materials of Tectona grandis L. f. in fast-growing plantations exhibit faster growth than the seminal materials. Therefore, it is necessary to investigate the differences in wood drying to ensure the quality and yield of the final product. This study evaluated the outdoor drying behavior of three genotypes of teak lumber. Two clonal genotypes (G1 and G2) and one of seminal origin (G3) were assessed. Boards measuring 30 × 150 × 1000 mm (thickness × width × length) were produced from the basal logs. The average moisture content (79.3, 64.9, and 60,1%), final moisture content (10.8, 9.8, and 11.6%), and mean drying rate (1.2, 0.97, and 0.85%.day-1) were observed in the wood from genotypes G1, G2 and G3, respectively. The clonal material crooked and bowed below 5 mm.m-1, which is considered the tolerance limit for both warpings. The seminal material had a greater incidence of splitting. The clonal genotypes G1 and G2 had similar qualities and presented higher drying rates, final moisture contents below 11% and a lower incidence of defects, especially splitting, compared to the naturally seeded material.
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