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Development of boron/linseed oil combined treatment as a low-toxic wood protection. Evaluation of boron fixation and resistance to termites according to Japanese and European standards

Lyon Florent, Thévenon Marie-France, Imamura Yuji, Gril Joseph, Pizzi Antonio. 2007. Development of boron/linseed oil combined treatment as a low-toxic wood protection. Evaluation of boron fixation and resistance to termites according to Japanese and European standards. In : IRG Regional Research Symposium International Union of Forest Research Organization All Division 5 Conference, Taipei, Taiwan, 29 October-2 November 2007. IRG. s.l. : s.n., 12 p. IRG Regional Research Symposium, Taipei, Taïwan / (République de Chine (Taïwan)), 29 October 2007/2 November 2007.

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Abstract : Combinations of boric acid as a first step of treatment and linseed oil as a second step have been performed in order to enhance boron retention to leaching and wood resistance to termites. Classic leaching and termites resistance standards are inappropriate to evaluate this combination which can be considered as both a wood core preservation treatment and a coating. Japanese Industrial Standard (JIS K1571, 2004) on Japanese cedar (Cryptomeria japonica) Japanese beech (Fagus crenata) exposed to subterranean termite Coptotermes formosanus, and, European standards EN84 and EN117 on Pine (Pinus sylvestris) exposed to termite Reticulitermes santonensis have been performed for the same boric acid/ linseed oil treatments. Addition of oil as a water repellent to boron treated wood gave promising results with about 30% of initial boron retained. Termite mortality rates and efficiency thresholds using the different standards are determined and compared. Moreover, the relevance of Japanese mass loss indicator and European visual evaluation are discussed in the case of unconventional wood protection system such as boron/linseed oil combination. (Résumé d'auteur)

Mots-clés Agrovoc : Pinus sylvestris, Cryptomeria japonica, Reticulitermes, Coptotermes formosanus, Acide borique, Huile de lin, Produit de préservation du bois, Huile de soja, Termitidae

Mots-clés complémentaires : Reticulitermes santonensis

Classification Agris : K50 - Processing of forest products
J12 - Handling, transport, storage and protection of forest products

Auteurs et affiliations

  • Lyon Florent, UM2 (FRA)
  • Thévenon Marie-France, CIRAD-PERSYST-UPR Bois tropicaux (FRA)
  • Imamura Yuji, Kyoto University (JPN)
  • Gril Joseph, UM2 (FRA)
  • Pizzi Antonio, ENSTIB (FRA)

Autres liens de la publication

Source : Cirad - Agritrop (https://agritrop.cirad.fr/561809/)

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