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Journal of Wood Science

Official Journal of the Japan Wood Research Society

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Changes of decay and termite durabilities of Japanese larch (Larix leptolepis) wood due to high-temperature kiln drying processes

Journal of Wood Science volume 51, pages 526–530 (2005)Cite this article

Abstract

We investigated the effects of high-temperature drying schedules (120°–130°C) on decay and termite feeding of Japanese larch timbers. Thermogravimetric analysis was conducted to investigate changes of the wood components. Decay and termite feeding tests showed that specimens dried under high-temperature schedules were susceptible against a decaying fungus Fomitopsis palustris and attacks from termites Coptotermes formosanus and Reticulitermes speratus. These drying schedules changed chemical components, which were suggested by the thermal analytical result compared to the control sample. The results of this study indicated that the acceleration of termite feeding takes place even under temperatures that are comparatively lower than that used in our previous research in which 170°C steaming treatment was applied to Japanese larch wood. Decay durability against a brown rot fungus also decreased, possibly from production of low molecular weight fragments when hemicellulose decreased during the high-temperature drying processes.

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Authors and Affiliations

  1. Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, 305-8572, Japan

    Shuichi Doi

  2. Institute of Wood Technology, Akita Prefectural University, Noshiro, 016-0876, Japan

    Shigeru Yamauchi & Yasuji Kurimoto

  3. Department of Applied and Environmental Chemistry, Kitami Institute of Technology, Kitami, 090-8507, Japan

    Masakazu Aoyama

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  1. Shuichi Doi
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  2. Masakazu Aoyama
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  3. Shigeru Yamauchi
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  4. Yasuji Kurimoto
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Correspondence to Shuichi Doi.

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Doi, S., Aoyama, M., Yamauchi, S. et al. Changes of decay and termite durabilities of Japanese larch (Larix leptolepis) wood due to high-temperature kiln drying processes. J Wood Sci 51, 526–530 (2005). https://doi.org/10.1007/s10086-004-0684-5

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  • DOI: https://doi.org/10.1007/s10086-004-0684-5

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