Variation in the decay resistance and its relationship with other wood characteristics in old Scots pines

M. Venäläinen, A.M. Harju, S. Anttonen, P. Kainulainen, Hannu Viitanen, H. Nikulainen

Research output: Contribution to journalArticleScientificpeer-review

38 Citations (Scopus)

Abstract

The importance of factors contributing to the natural decay resistance of Scots pine wood was studied. The decay rate of sapwood and outer and inner heartwood of 16 ca. 170-year-old Scots pines was first measured. A six-week decay test was performed with 5 x 15 x 30 mm wood blocks in dishes containing a brown-rot fungus (Coniophora puteana). The average mass loss in sapwood was 141 mg/cm3, in outer heartwood 57 and in inner heartwood 108. The variation between trees was largest in outer heartwood. The corresponding basic densities were 439, 456 and 411 mg/cm3. The mass loss was then compared with chemical characteristics and the sorption of water by parallel sample blocks in order to determine which factor has the greatest effect on decay resistance. The differences in heartwood mass loss were explained best by the concentration of pinosylvin and its monomethyl ether, which are phenolics belonging to the group of stilbenes, as well as by the concentration of total phenolics determined by the Folin-Ciocalteu method.
Original languageEnglish
Pages (from-to)409-417
Number of pages9
JournalAnnals of Forest Science
Volume60
Issue number5
DOIs
Publication statusPublished - 2003
MoE publication typeA1 Journal article-refereed

Fingerprint

decay resistance
heartwood
Pinus sylvestris
sapwood
ether
Coniophora puteana
deterioration
brown-rot fungi
sorption
fungus
stilbenes
ethers
loss
water
testing

Keywords

  • decay resistance
  • heartwood
  • phenolic compounds
  • pinosylvin
  • resin acids
  • moisture content

Cite this

Venäläinen, M., Harju, A. M., Anttonen, S., Kainulainen, P., Viitanen, H., & Nikulainen, H. (2003). Variation in the decay resistance and its relationship with other wood characteristics in old Scots pines. Annals of Forest Science, 60(5), 409-417. https://doi.org/10.1051/forest:2003033
Venäläinen, M. ; Harju, A.M. ; Anttonen, S. ; Kainulainen, P. ; Viitanen, Hannu ; Nikulainen, H. / Variation in the decay resistance and its relationship with other wood characteristics in old Scots pines. In: Annals of Forest Science. 2003 ; Vol. 60, No. 5. pp. 409-417.
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abstract = "The importance of factors contributing to the natural decay resistance of Scots pine wood was studied. The decay rate of sapwood and outer and inner heartwood of 16 ca. 170-year-old Scots pines was first measured. A six-week decay test was performed with 5 x 15 x 30 mm wood blocks in dishes containing a brown-rot fungus (Coniophora puteana). The average mass loss in sapwood was 141 mg/cm3, in outer heartwood 57 and in inner heartwood 108. The variation between trees was largest in outer heartwood. The corresponding basic densities were 439, 456 and 411 mg/cm3. The mass loss was then compared with chemical characteristics and the sorption of water by parallel sample blocks in order to determine which factor has the greatest effect on decay resistance. The differences in heartwood mass loss were explained best by the concentration of pinosylvin and its monomethyl ether, which are phenolics belonging to the group of stilbenes, as well as by the concentration of total phenolics determined by the Folin-Ciocalteu method.",
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Venäläinen, M, Harju, AM, Anttonen, S, Kainulainen, P, Viitanen, H & Nikulainen, H 2003, 'Variation in the decay resistance and its relationship with other wood characteristics in old Scots pines', Annals of Forest Science, vol. 60, no. 5, pp. 409-417. https://doi.org/10.1051/forest:2003033

Variation in the decay resistance and its relationship with other wood characteristics in old Scots pines. / Venäläinen, M.; Harju, A.M.; Anttonen, S.; Kainulainen, P.; Viitanen, Hannu; Nikulainen, H.

In: Annals of Forest Science, Vol. 60, No. 5, 2003, p. 409-417.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Venäläinen, M.

AU - Harju, A.M.

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AB - The importance of factors contributing to the natural decay resistance of Scots pine wood was studied. The decay rate of sapwood and outer and inner heartwood of 16 ca. 170-year-old Scots pines was first measured. A six-week decay test was performed with 5 x 15 x 30 mm wood blocks in dishes containing a brown-rot fungus (Coniophora puteana). The average mass loss in sapwood was 141 mg/cm3, in outer heartwood 57 and in inner heartwood 108. The variation between trees was largest in outer heartwood. The corresponding basic densities were 439, 456 and 411 mg/cm3. The mass loss was then compared with chemical characteristics and the sorption of water by parallel sample blocks in order to determine which factor has the greatest effect on decay resistance. The differences in heartwood mass loss were explained best by the concentration of pinosylvin and its monomethyl ether, which are phenolics belonging to the group of stilbenes, as well as by the concentration of total phenolics determined by the Folin-Ciocalteu method.

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