Resistance to biodeterioration of thermally modified Eucalyptus grandis and Tectona grandis short-rotation wood

被引：2
|
作者：
Brito, Thais Mendes [1 ]
Ferreira, Glaucileide [1 ]
Missia da Silva, Joao Gabriel [1 ]
De Mendonca, Adriano Ribeiro [1 ]
Neto, Humberto Fantuzzi [1 ]
Paes, Juarez Benigno [1 ]
Batista, Djeison Cesar [1 ]
机构：
[1] Univ Fed Espirito Santo, Dept Forest & Wood Sci, Vitoria, ES, Brazil
来源：
WOOD MATERIAL SCIENCE & ENGINEERING | 2023年 / 18卷 / 01期
关键词：
Thermal modification; rot-fungi; subterranean termites; dry-wood termites; CHEMICAL-COMPOSITION; TERMITES; EXTRACTIVES; DURABILITY;
D O I：
10.1080/17480272.2022.2150985
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
This study aimed to assess the biological resistance of thermally modified Eucalyptus grandis (eucalypt) and Tectona grandis (teak) short-rotation wood. Different treatment categories were investigated: untreated and thermally modified eucalypt and teak wood. The thermal modification was carried out at 160 degrees C in a closed system (pressurized) hygrothermal process. The wood was tested for resistance against brown-rot (Postia placenta) and white-rot (Trametes versicolor) fungi for 12 weeks, according to the soil-block method. The wood was also tested for the attack of subterranean (Nasutitermes corniger) and dry-wood (Cryptotermes brevis) termites, respectively for 28 and 45 days. In both cases, non-choice feeding tests were used. The thermal modification did not improve the resistance of eucalypt and teak short-rotation wood against the deterioration caused by both brown-rot and white-rot fungi. On the other hand, the process improved the resistance of both species against the attack of the subterranean termites, and specifically for eucalypt, against dry-wood termites. The resistance of teak was higher than that of eucalypt for both conditions (untreated and thermally modified) and xylophagous insects tested.
引用
收藏
页码：3 / 10
页数：8
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