Test type (number and name of species in brackets, if known) | Classification | Origin of timber (type of wood in brackets) | Reference |
---|---|---|---|
Field test | Non-durable | unknown | Hedley and Foster [1972] |
Laboratory test (ASTM [2005]) (5 brown-rot fungi (Gloeophyllum trabeum, Coniophora olivacea (Fr.) P. Karst., Postia placenta and 2 unidentified isolates) and 5 white-rot fungi (Fuscoporia gilva (Schwein.) T. Wagner & M. Fisch., Pycnoporus coccineus (Fr.) Bondartsev & Singer, Trametes versicolor and 2 unidentified isolates)) | Moderately resistant | unknown | Hedley and Foster [1972] |
Modified laboratory test (buried) (5 brown-rot fungi (Gloeophyllum trabeum, Coniophora olivacea, Postia placenta and 2 unidentified isolates) and 5 white-rot fungi (Fuscoporia gilva, Pycnoporus versicolor, Trametes versicolor and 2 unidentified isolates)) | Non-resistant | unknown | Hedley and Foster [1972] |
Laboratory (2 brown-rot fungi (Gloeophyllum trabeum, Postia placenta)) | Weight-loss of 18-45% | unknown origin (sawmill boards of widest possible natural range) | Wilcox and Piirto [1976] |
Laboratory (16 soft-, brown- and white-rot fungi) | Very resistant against soft-rot, resistant against white-rots and moderately resistant against brown-rots | unknown origin (sapwood) | Eslyn and Highley [1976] |
Laboratory (2 brown-rot fungi (Gloeophyllum trabeum and Postia placenta)) | Very to moderately resistant | California (outer third heartwood of the top of the butt-log) | Clark and Scheffer [1983] |
Field tests (above ground) | Sapwood: 15 years in moist and 25 years in dry climates; heartwood: >20 years in moist and 30 years in dry climates | unknown origin (sapwood and heartwood) | |
Field test | Durable | unknown | Miller [1986] |
Laboratory test (11 soft-rot fungi) | Little weight loss compared to Pinus ponderosa | unknown origin (heartwood) | Morrell and Smith [1988] |
Laboratory using termites (Coptotermes formosanus Shiraki) | Termite resistance | California and Oregon (Top-grade glulam stock) | Grace and Yamamoto [1994] |
Field test | Durable in dry site; Non-durable in wet-sites | unknown | Johnson et al. [1996] |
Laboratory (2 brown-rot fungi (Coniophora puteana (Schumach.) P. Karst., Gloeophyllum trabeum) and 1 white-rot fungus (Trametes versicolor)) | Large variation from very-durable (1) to not-durable (5). Site averages (2)-(4) (increasing resistance with age) | New Zealand (22, 38 and 71 years old) | Jones et al. [2011] |