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Some factors influencing susceptibility to discoloring fungi and water uptake of Scots pine (Pinus sylvestris), Norway spruce (Picea abies) and Oriental spruce (Picea orientalis)
Linnaeus University, Faculty of Science and Engineering, School of Engineering.
Linnaeus University, Faculty of Science and Engineering, School of Engineering. (Virkeslära)
2012 (English)In: Wood Material Science & Engineering, ISSN 1748-0272, Vol. 8, no 2, 139-144 p.Article in journal (Refereed) Published
Abstract [en]

The heartwood and sapwood from Scots pine (PS), Norway spruce (PA), and Oriental spruce (PO) were tested for susceptibility to discoloring fungi and water uptake. In addition, annual ring width and density were measured. The methods used were Mycologg for testing growth of fungi and a modified version of EN 927-5 to investigate water uptake. For pine, the heartwood showed a lower water uptake and no discoloring fungi growing in the tests. The heartwood had a significantly higher density and smaller annual ring width than the sapwood. In PA the heartwood had significantly lower discoloration than sapwood. The total water uptake in g/m2 was significantly higher in sapwood, but not the calculated moisture content. As for wood properties, the density was significantly higher in sapwood compared to heartwood, although there were no differences in annual ring width. Regarding PO, differences in water uptake could be seen between sapwood and heartwood although the densities were similar. These results show that susceptibility to discoloring fungi and water uptake is hard to correlate to a single inherent property when looking at different wood species.

Place, publisher, year, edition, pages
2012. Vol. 8, no 2, 139-144 p.
Keyword [en]
Bluestain, Heartwood, Mold growth, Mycologg, Permeability, Sapwood
National Category
Other Engineering and Technologies Other Materials Engineering
Research subject
Technology (byts ev till Engineering), Forestry and Wood Technology
Identifiers
URN: urn:nbn:se:lnu:diva-19004DOI: 10.1080/17480272.2012.745095OAI: oai:DiVA.org:lnu-19004DiVA: diva2:529044
Available from: 2012-05-29 Created: 2012-05-29 Last updated: 2014-01-14Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf