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Rapid prediction of teak wood natural durability using near-infrared spectroscopy

Chaix Gilles, Monteuuis Olivier, Goh Doreen Kim Soh, Kokutse Adzo Dzifa, Derkyi N.S.A., Kadio A.A., Boutahar Nabila, Baillères Henri. 2008. Rapid prediction of teak wood natural durability using near-infrared spectroscopy. In : Processing and marketing of teak wood products of planted forests : Proceedings of the Regional Workshop held during 25-28 September 2007, Kerala Forest Research Institute, Peechi, India. Bhat K.M. (ed.), Balasundaran M. (ed.), Bhat K.V. (ed.), Muralidharan E.M. (ed.), Thulasidas P.K. (ed.). KFRI, OIBT. Peechi : KFRI, pp. 264-266. ISBN 81-85041-67-9 Regional workshop on Processing and marketing of teak wood products of planted forests, Peechi, Inde, 25 September 2007/28 September 2007.

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Abstract : Near Infrared Spectroscopy (NIRS) is widely used to identify compounds and to assess wood properties based on information drawn from reference methods. Unlike most conventional analytical methods, NIRS is a non-destructive method, requires little or no sample preparation or chemicals and does not produce any chemical waste, requiring disposal. The ability of NIRS to predict teak natural durability using solid wood spectra was assessed on a total of 250 wood samples collected from approximately 80 African (Ivory Coast, Ghana, Togo) and 30 Malaysian trees. Natural durability tests on heartwood were performed in controlled conditions using the fungi Antrodia sp. and Coniophora puteana with beech (Fagus sativa) and pine sapwood (Pinus sylvestris L.) as references. The relative resistance to decay (x -value) expressed as mass loss after four months of biodegradation by the two fungal strains was calculated and durability classes were estimated according to European standard EN 350-1. It was found that NIR spectroscopy can be used for accurate and fast determination of natural durability of a large number of samples. (Résumé d'auteur)

Mots-clés Agrovoc : Tectona grandis, Coniophora puteana, Aphyllophorales, Bois

Mots-clés géographiques Agrovoc : Togo, Côte d'Ivoire, Malaisie, Ghana

Mots-clés complémentaires : Antrodia

Classification Agris : K50 - Processing of forest products
H20 - Plant diseases
U40 - Surveying methods

Auteurs et affiliations

  • Chaix Gilles, CIRAD-BIOS-UPR Génétique forestière (FRA)
  • Monteuuis Olivier, CIRAD-BIOS-UMR DAP (FRA)
  • Goh Doreen Kim Soh, Yayasan Sabah Group (MYS)
  • Kokutse Adzo Dzifa, CIRAD-PERSYST-UPR Bois tropicaux (FRA)
  • Derkyi N.S.A., FORIG (GHA)
  • Kadio A.A., SODEFOR [Société pour le développement des plantations forestières] (CIV)
  • Boutahar Nabila, CIRAD-PERSYST-UPR Bois tropicaux (FRA)
  • Baillères Henri, CIRAD-PERSYST-UPR Bois tropicaux (AUS)

Autres liens de la publication

Source : Cirad - Agritrop (https://agritrop.cirad.fr/550414/)

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