[Aubry, C., W. T. Adams and T. D. Fahey (1998): Determination of relative economic weights for multitrait selection in coastal Douglas-fir. Canadian Journal of Forest Research 28: 1164–1170.10.1139/x98-084]Search in Google Scholar
[Cherry, M. L., V. Vikram, D. Briggs, D. W. Cress and G. T. Howe (2008): Genetic variation in direct and indirect measures of wood stiffness in coastal Douglas-fir. Canadian Journal of Forest Research 38: 2476–2486.10.1139/X08-087]Search in Google Scholar
[Dungey, H. S., A. C. Matheson, D. Kain and R. Evans (2006): Genetics of wood stiffness and its component traits in Pinus radiata. Canadian Journal of Forest Research 36: 1165–1178.10.1139/x06-014]Search in Google Scholar
[Falconer, D. S. and T. F. C. Mackay (1996): Introduction to Quantitative Genetics. 4th Edition. Longman, New York.]Search in Google Scholar
[Fujimoto, T., H. Akutsu, M. Nei, K. Kita, M. Kuromaru and K. Oda (2006): Genetic variation in wood stiffness and strength properties of hybrid larch (Larix gmelinii var. japonica x L. kaempferi). Japanese Journal of Forest Research 11: 343–349.10.1007/s10310-006-0221-z]Search in Google Scholar
[Gilmour, A. R., B. J. Gogel, B. R. Cullis, S. J. Welham and R. Thompson (2006): ASReml User Guide Release 2.0. VSN International Ltd, Hemel Hempstead, United Kingdom.]Search in Google Scholar
[Gould, P. J. and D. D. Marshall (2009): Incorporation of genetic gain into growth projections of Douglas-fir using ORGANON and FVS. Western Journal of Applied Forestry (in press).10.1093/wjaf/25.2.55]Search in Google Scholar
[Howe, G. T., K. Jayawickrama, M. Cherry, G. R. Johnson and N. C. Wheeler (2006): Breeding Douglas-fir. In: Plant Breeding Reviews, J. Janick (ed). John Wiley & Sons, Inc. 27: 245–353.]Search in Google Scholar
[Huber, D., L. Parisi, G. Powell, G. Peter and X. Li (2006): Cooperative Forest Genetics Research Program, 48th Annual Progress Report. School of Forest Resources and Conservation, Institute of Food and Agricultural Sciences, University of Florida, Gainesville.]Search in Google Scholar
[Jayawickrama, K. J. S. (2001): Breeding radiata pine for wood stiffness. Australian Forestry 64: 51–56.10.1080/00049158.2001.10676161]Search in Google Scholar
[Jayawickrama, K. J. S. (2006): Northwest Tree Improvement Cooperative Annual Report: April 1, 2005, to June 30, 2006. Unpublished report. Department of Forest Science, Oregon State University, Corvallis.]Search in Google Scholar
[Jayawickrama, K. J. S., T. Z. Ye, R. Gupta and M. L. Cherry (2009): Including wood stiffness in tree improvement of coastal Douglas-fir in the US Pacific Northwest: A literature review and synthese. Research Contribution 50, College of Forestry, Oregon State University. 99p.]Search in Google Scholar
[Johnson, G. R. and B. L. Gartner (2006): Genetic variation in basic density and modulus of elasticity of coastal Douglas-fir. Tree Genetics and Genomes 3: 25–33.10.1007/s11295-006-0054-0]Search in Google Scholar
[Johnson, G. R., R. A. Sniezko and N. L. Mandel (1997): Age trends in Douglas-fir genetic parameters and implications for optimum selection age. Silvae Genetica 46: 349–358.]Search in Google Scholar
[Kii, H., N. I. Fujimoto, Y. Murase, T. Kawano, Y. Ashihara, Y. Kinoshita, M. Mikeda, S. Tsushima and T. Mameda (2003): Strength properties of sugi (Cryptomeria japonica) grown in Oita prefecture – Young’s modulus of logs. Science Bulletin of the Faculty of Agriculture, Kyusha University. 58(1/2): 43–54.]Search in Google Scholar
[King, J. N., F. C. Yeh, J. C. Heaman and B. P. Dancik (1992): Selection of crown form traits in controlled crosses of coastal Douglas-fir. Silvae Genetica 41: 362–370.]Search in Google Scholar
[Kumar, S. (2004): Genetic parameter estimates for wood stiffness, strength, internal checking, and resin bleeding for radiata pine. Canadian Journal of Forest Research 34: 2601–2610.10.1139/x04-128]Search in Google Scholar
[Kumar, S., R. D. Burdon and G. T. Stovold (2008): Wood properties and stem diameter of Pinus radiata in New Zealand: genetic parameter estimates of clonal and seedling material. New Zealand Journal of Forestry Science 38(1): 88–101.]Search in Google Scholar
[Kumar, S., K. J. S. Jayawickrama, J. Lee and M. Lausberg (2002): Direct and indirect measures of stiffness and strength show high heritability in a wind-pollinated radiata pine progeny test in New Zealand. Silvae Genetica 51: 256–261.]Search in Google Scholar
[Kumar, S., H. S. Dungey and A. C. Matheson (2006): Genetic parameters and strategies for genetic improvement of stiffness in radiata pine. Silvae Genetica 55: 77–84.10.1515/sg-2006-0012]Search in Google Scholar
[Li, X, D. A. Huber, G. L. Powell, T. L. White and G. F. Peter (2007): Breeding for improved growth and juvenile corewood stiffness in slash pine. Canadian Journal of Forest Research 37: 1886–1893.10.1139/X07-043]Search in Google Scholar
[Littell, R. C., G. A. Milliken, W. W. Stroup and R. D. Wolfinger (1996): SAS system for mixed models. SAS Institute, Cary, North Carolina.]Search in Google Scholar
[Lynch, M. and B. Walsh (1998): Genetics and analysis of quantitative traits. Sinauer Associates, Inc., Sunderland, Massachusetts.]Search in Google Scholar
[Magnussen, S. and C. T. Keith (1990): Genetic improvement of volume and wood properties of jack pine: selection strategies. Forestry Chronicle 66(3): 281–286.10.5558/tfc66281-3]Search in Google Scholar
[Matheson, A. C., W. J. Gapare, J. Ilic and H. X. Wu (2008): Inheritance and genetic gain in wood stiffness in radiata pine assessed acoustically in young standing trees. Silvae Genetica 57: 56–64.10.1515/sg-2008-0009]Search in Google Scholar
[Silen, R. and J. Wheat (1979): Progressive tree improvement program in coastal Douglas-fir. J. Forestry 44: 78–83.]Search in Google Scholar
[Toulmin, M. J. and C. A. Raymond (2007): Developing a sampling strategy for measuring acoustic velocity in standing Pinus radiata using the TreeTap time of flight tool. New Zealand Journal of Forestry Science 37: 96–111.]Search in Google Scholar
[Van Wyk, G. V. (1990): Genetic improvement of timber yield and wood quality in Eucalyptus grandis (Hill) Maiden. Part 1. Genetic parameters of growth characteristics. South African Forestry Journal 153: 1–11.10.1080/00382167.1990.9629025]Search in Google Scholar
[Weilinga, B., C. A. Raymond, R. James and A. C. Matheson (2009a): Genetic parameters and genotype by environment interactions for green and basic density and stiffness of Pinus radiata D. Don estimated using acoustics. Silvae Genetica 58: 112–122.10.1515/sg-2009-0015]Search in Google Scholar
[Weilinga, B., C. A. Raymond, R. James and A. C. Matheson (2009b): Effect of green density values on Pinus radata stiffness estimation using a stress=wave technique. N.Z.J. For. Sci. 39: 71–79.]Search in Google Scholar