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Picture of Natural Wood Durability Studied to Estimate Wood's Performance
FPL-2012-07
Natural Wood Durability Studied to Estimate Wood's Performance

Title: Above Ground Field Evaluation and GC-MS Analysis of Naturally Durable Wood Species

Author: Kirker, G.T.; Blodgett, A.B.; Lebow, S.T.; Clausen, C.A.

Date: 2012

Source: IRG/WP

Publication Series: Proceedings - Paper (PR-P)

Description: Nine wood species are being evaluated in above ground field studies in Mississippi and Wisconsin. Candidate naturally durable wood (NDW) species are being rated at yearly intervals for resistance to decay, cupping, and checking. Field ratings after 12 months exposure are presented. To date, Paulownia tomentosa (PAW) and southern yellow pine (SYP) are least durable and cedars are the most durable in above ground exposure. Wood samples are being taken from the deck-boards and subjected to chemical analysis using GC-MS. Fatty acids from NDW species were extracted, derivatized, and analyzed along with commercial fatty acid methyl ester (FAME) standards. With few exceptions, results indicate that FAMEs are more abundant in NDW species. However, preliminary bioassays found no inhibition of select wood decay fungi by FAMEs at naturally occurring concentrations.

Keywords: wood durability, fatty acids, extractives, GC-MS, above ground testing

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Kirker, G.T.; Blodgett, A.B.; Lebow, S.T.; Clausen, C.A. 2012. Above ground field evaluation and GC-MS analysis of naturally durable wood species. In: Proceedings IRG Annual Meeting (ISSN 2000-8953) IRG/WP 12-10764, Kuala Lumpur, Malaysia, 2012 May 6-10.

 


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