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Factors affecting the fungal colonization of pine lumber

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Abstract:

Summary

This study investigated whether the physiological condition of wood influenced patterns of colonization by mould and sapstain fungi. The extent of fungal defacement on sawn pine lumber Pinus nigra var. maritima that had been killed by gamma-irradiation was compared with the defacement on untreated, still living timber that had been aged for up to 16 weeks prior to being sawn. All the sawn lumber was exposed to the natural inoculum of sapstain and mould fungi in a working sawmill environment over a 4-week period. The results indicated that the pattern of fungal defacement differed markedly in dead or aged wood compared with untreated wood. Mould fungi were most prevalent on the dead irradiated wood, whereas sapstain fungi dominated the freshly sawn lumber which was still living. The differences appear to be independent of wood moisture content and may be related to the production of inhibitory compounds by living cells in wood as it becomes senescent and dies.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1439-0329.2005.00402.x

Affiliations: Forest Research, Alice Holt Lodge, Farnham, Surrey, UK

Publication date: June 1, 2005

bsc/efp/2005/00000035/00000003/art00005
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