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B. I. Nyoka, P. Tongoona and C. M. Gumbie

Scheme R.4346. Oxford Forestry Institute, University of Oxford. Final Report. 136 pp. D vorak , W. S., C. E. B alocchi and R. H. R aymond (1989): Performance and stability of provenances and families of Pinus tecunumanii in the tropics and subtropics. In: Proc. Of an IUFRO conference on Breeding Tropical Trees: Population Structure and Genetic Improvement Strategies in Clonal and seedling forestry. Pattaya, Thailand, 28 November – 3 December, 1988, pp 187–196. D vorak , W. S., C. C. L ambeth and B. L i (1993): Genetic and site effects on stem

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J. R. Sherrill, T. J. Mullin, B. P. Bullock, S. E. Mckeand, R. C. Purnell, M. L. Gumpert and F. Isik

South Carolina piedmont. Forest Research Series No. 7. Clemson University. Clemson, South Carolina. ISIK, F., K. ISIK and S. J. LEE (1999): Genetic variation in Pinus brutia in Turkey: I. Growth, Biomass and Stem Quality Traits. For. Gene. 6: 89-99. LARSON, P. R. (1963): Stem form development of forest trees. Vol. 5. Society of American Foresters. Washington, DC. 42 p. LOEHLE, C. and G. NAMKOONG (1987): Constraints on tree breeding: Growth tradeoffs, growth strategies, and defense investments. For. Sci. 33: 1089

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A. Fries and T. Mörling

-felling. For. Ecol. Manage. 177 : 65–74. E liasson , N. (2003): Effects of pre-commercial thinning time and stem density on the amount of juvenile wood in Scots pine. Swedish University of Agricultural Sciences, Department of Silviculture, Umeå, Sweden, Examensarbeten 2003:10, MSc-thesis. F ries , A. and T. E ricsson (2006): Estimating genetic parameters for wood density of Scots pine ( Pinus sylvestris L.). Silvae Genet. 55 : 84–92. F ries , A. and T. E ricsson (2009): Genetic parameters for earlywood and latewood densities and development by

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J. K. Hansen, H. Wellendorf and E. D. Kjær

. LINDGREN (1998): Predicting Genetic Gain of Backward and Forward Selection in Forest Tree Breeding. Silvae Genet. 47: 42-50. SAS Inst. Inc. (1999): SAS OnlineDoc® version eight, SAS Institute Inc., Cary, NC, USA, http://v8doc.sas.com/sashtml. SCHERMANN, N., W. T. ADAMS, S. N. AITKEN and J. CH. BASTIEN (1997): Genetic Parameters of Stem Form Traits in a 9-Year-Old Coastal Douglas-fir Progeny Test in Washington. Silvae Genet. 46: 166-170. SILEN R. R., D. L. OLSON and J. C. WEBER (1993): Genetic variation in susceptibility to

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J. C. Weber and C. Sotelo Montes

, Lima, Peru. 73 p. SOTELO MONTES, C., H. VIDAURRE and J. C. WEBER (2003): Variation in stem-growth and branch-wood traits among provenances of Calycophyllum spruceanum Benth. from the Peruvian Amazon. New Forests 26: 1-16. STEARNS, S. C. (1989): The evolutionary significance of phenotypic plasticity. Biological Science 39: 436-45. STERN, R. D., R. COE, E. F. ALLAN and I. C. DALE (Eds.) (2004): Good Statistical Practice for Natural Resources Research. CABI Publishing, CAB International, Wallingford, U.K. 388 p

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M. E. Miranda-Fontaíña, J. Fernández-López, A. M. Vettraino and A. Vannini

. CRANE and F. C. S. TAY (1994): Invasion of Phloem and Xylem of Woody Stems and Roots of Eucalyptus marginata and Pinus radiata by Phytophthora cinnamomi. Phytophatology 84 (4): 335-340. DIXON, K.W. and K. THINLAY SIVASITHAMPARAM (1984): Technique for rapid assessment of tolerance of Banksia spp. to root rot caused by Phytophthora cinnamomi. Plant Disease 68, 1077-80. EGEL, D. S. (1999): Preventing seedling diseases in the greenhouse. Purdue University Cooperative Extensio service. http

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Guang-Hua Qin, Yue-Zhong Jiang and Yu-Ling Qiao

References ADRIAN, A. (2002): Changes through time in traits of poplar clones in selection trials. New For. 23: 109-111. CEULEMANS, R., R. F. STETTLER, T. M. HINCKELY, J. G. ISEBRANDS and P. E. HEILMAN (1990): Crown architecture of Populus clones as determined by branch orientation and branch characteristics. Tree Physiol. 7: 157-167. DEBELL, J. D., B. L. GARTNER and D. S. DEBELL (1998): Fiber length in young hybrid Populus stems grown at extremely different rates. Can. J. For. Res. 28: 603

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J. C. Weber, C. Sotelo Montes, J. Cornelius and J. Ugarte

. Silvae Genetica 45 : 24–30. C ornelius , J. and F. M esén (1997): Provenance and family variation in growth rate, stem straightness, and foliar mineral concentration in Vochysia guatemalensis . Canadian Journal of Forest Research 27 : 1103–1109. D vorak , W. S., H. U rueña , L. A. M oreno and J. G oforth (1998): Provenance and family variation in Sterculia apetala in Colombia. Forest Ecology and Management 111 : 127–135. E ncarnación , F. (1983): Nomenclatura de las Especies Forestales Comunes en el Perú. Proyecto PNUD/FAO/PER/81

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Christine A. Dean

. GOLDFARB and H. E. STELZER (2005): Genetic effects of rooting loblolly pine stem cuttings from a partial diallel mating design. Can. J. For. Res. 35: 1098-1108. BENOWICZ, A., S. C. GROSSNICKLE and Y. A. EL-KASSABY (2002): Field assessment of Douglas-fir somatic and zygotic seedlings with respect to gas exchange, water relations, and frost hardiness. Can. J. For. Res. 32: 1822-1828. BRUCE, D. and D. J. DEMARS (1974): Volume equations for second-growth Douglas-fir. Forest Service Research Note PNW-239, USDA, PNWFRES: Portland, Oregon

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Shijun Wu, Jianmin Xu, Guangyou Li, Zhaohua Lu, Chao Han, Yang Hu and Xinxian Hu

. WHITEMAN (1997): Age-age correlations in, and relationships between basic density and growth in Eucalyptus nitens. Silva Genetica 46(5): 264-270. HAI, P. H., G. JANSSON, C. HARWOOD, B. HANNRUP and H. H. THINH (2008): Genetic variation in growth, stem straightness and branch thickness in clonal trials of Acacia auriculiformis at three contrasting sites in Vietnam. Forest Ecology and Management 255: 156-167. HANSEN, J. K. and H. ROULUND (1996): Genetic parameters for spiral grain, stem form, Pilodyn and growth in 13 year old clones of Sitka