Comparative Decay Resistance of Twenty-five Fijian Timber Species in Accelerated Laboratory Tests

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1967-10
Authors
Osborne, Lynette
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University of Hawai'i Press
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Abstract
Specimens from the heartwood of 2-5 trees of each of 25 species of Fijian rain forest timbers were tested by the laboratory soil-block method against two white-rot fungi , Fomes lividus (Kalch.) Sacc. and Pycnoporus coccineus (Fr.) Bond. and Sing., syn. Coriolus sangutneus (L. ex Fr.) G. H. Cunn.; and against two brown-rot fungi, Lenzites trabea Pers. ex Fr. and Coniophora olivacea (Fr.) Karst. The species most resistant to decay were Palaquium hornei, Intsia bijuga, Fagraea gracilipes, Syzygium spp. complex, and Dacrydium elatum. Most of the species tested were highly susceptible to decay. There was a tendency, both among species and with in species, for the denser and less water-absorbent wood to be more resistant to decay. Also, the outer heartwood was, in general, more resistant to decay than inner heartwood.
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Osborne L. 1967. Comparative decay resistance of twenty-five Fijian timber species in accelerated laboratory tests. Pac Sci 21(4): 539-549.
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