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Title: Laboratory evaluations of woods from Pakistan and their extractives against Postia placenta and Trametes versicolor

Author: Mankowski, Mark; Hassan, Barbar; Blodgett, Amy; Kirker, Grant T.;

Date: 2016

Source: Proceedings IRG Annual Meeting (ISSN 2000-8953), IRG/WP 16-10860 THE INTERNATIONAL RESEARCH GROUP ON WOOD PROTECTION, Section 1 Biology.

Publication Series: Paper (invited, offered, keynote)

Description: Natural durable wood species are those which exhibit innate tolerance to wood decay organisms such as fungi and termites. The goal of this study was to evaluate 4 wood species (Dalbergia sissoo, Cedrus deodara, Morus alba and Pinus roxburghii) from Pakistan in order to determine their resistance to both a model brown (Postia placenta) and white (Trametes versicolor) rot fungus compared to a durable reference species (Tectonis grandis). In a 12 week soil bottle test, C. deodara and M. alba were found to be resistant to decay, D. sissoo was moderately resistant and P. roxbughii was non-resistant. This resistance was greatly reduced when blocks were leached with a series of solvents. When a non-durable species was treated with extractives from these species, decay resistance did not improve against either brown or white rot test fungi.

Keywords: naturally durable wood, wood decay fungi, E-10 soil bottle bioassays, extractives

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Mankowski, Mark; Hassan, Barbar; Bishell, Amy; Kirker, Grant. 2016. Laboratory evaluations of woods from Pakistan and their extractives against Postia placenta and Trametes versicolor. In: Proceedings IRG Annual Meeting. Lisbon, Portugal. 15-19 May 2016. ISSN 2000-8953. IRG/WP 16-10860. The International Research Group on Wood Protection, Stockholm, Sweden. Section 1 Biology. 10 pp.


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