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Comparison of three methods of quantitative evaluation of sapstain in rubberwood
2000 - IRG/WP 00-20188
Assessing the extent of fungal stain on wood during laboratory trials is a subjective process and is subjected to considerable variation between individual evaluators and specimen. The purpose of this paper was to explore the potential of three quantitative methods of wood surface measurement of rubberwood specimens degraded by sapstain and mould fungui (Botrydiplodia theobromae, Aureobasidium pul...
A J Ashari, J W Palfreyman, A H H Wong

White Rot in Eucalyptus Wood: Anatomical Changes and Density Variation by X-Ray Densitometry
2007 - IRG/WP 07-10631
Wood samples of the hybrid Eucalyptus grandis x urophylla attacked by white rot fungi were characterized. Microscopically, the colonization of the fungi was observed in the vessels and radial parenchyma, however the cell walls of the some fibers were attacked, indicating susceptibility to this fungi. Zone lines were observed as a result of interaction and compartmentalization of the fungi. Microsc...
M Tomazello Fo, S Brazolin, M P Chagas

The impact of pre-drying on treatment level variations of esterified solid wood analysed by X-ray densitometry
2023 - IRG/WP 23-40977
Wood modification requires homogenous treatment levels within the wood matrix to prevent insufficiently treated areas being subject to biodeterioration. Esterification of wood by citric acid and sorbitol can show differences in density caused by uneven chemical distribution during the curing phase and can be detected by x-ray densitometry. This study used density profiling to investigate the influ...
A Treu, S O Amiandamhem, E Larnoy