Air-drying performance of three genotypes of teak wood

IF 17.7 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-07-19 DOI:10.15376/biores.19.3.6215-6229

Theonizi Angélica Silva Albuês, Daiane de Moura Borges Maria, João Paulo Sardo Madi, Alexandre Behling, D. C. Batista, Pedro Henrique Gonzalez de Cademartori, R. J. Klitzke, Marcio Pereira Da Rocha, B. L. C. Pereira, Aylson Costa Oliveira

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Abstract

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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三种柚木基因型的风干性能

速生林中的 Tectona grandis L. f.克隆材料比原始材料生长更快。因此，有必要研究木材干燥过程中的差异，以确保最终产品的质量和产量。本研究评估了三种柚木木材基因型的室外干燥行为。对两个克隆基因型（G1 和 G2）和一个精原型（G3）进行了评估。基木制成的板材尺寸为 30 × 150 × 1000 毫米（厚 × 宽 × 长）。在基因型 G1、G2 和 G3 的木材中分别观察到了平均含水率（79.3%、64.9% 和 60.1%）、最终含水率（10.8%、9.8% 和 11.6%）和平均干燥率（1.2%、0.97% 和 0.85%.天-1）。克隆材料的弯曲度低于 5 mm.m-1，这被认为是两种翘曲的耐受极限。精料的劈裂率更高。与自然播种的材料相比，克隆基因型 G1 和 G2 的质量相似，干燥率更高，最终含水率低于 11%，缺陷发生率更低，尤其是开裂。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.