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: 603-608.
- FAO (1980): Poplars and willows in wood production and land use. FAO, Rome.
- FOSTER, G. S. (1988): Provenance variation of eastern cottonwood in the Lower Mississippi Valley. Silvae Genetica 35: 32-38.
- HEILMAN, P. E. (1999): Planted forests: poplars. New For. 17: 89-93.
- KLASNJA, S., S. KOPITOVIC and S. ORLOVIC (2003): Variability of some wood properties of eastern cottonwood (Populus deltoides Bartr.) clones. Wood Sci. Tech. 37: 331-337.
- KOUBAA, A., R. E. HERNANDEZ and M. BEAUDOIN (1998): Shrinkage of fast growing hybrid poplar clones. For. Prod. J. 48: 82-87.
- LIEVEN, D. B., V. DRIES, V. A. JORIS and S. MARC (2007): End-use related physical and mechanical properties of selected fast-growing poplar hybrids (Populus trichocarpa × P. deltoides). Ann. For. Sci. 64: 621-630.
- O’NEIL, M. K., C. C. SHOCK and K. A. LOMBARD (2010): Hybrid poplar (Populus ssp.) selections for arid and semi-arid intermountain regions of the western United States. Agroforestry Syst 79: 409-418.
- QIN, G. H., Y. Z. JIANG and Y. L. QIAO (2003): Study on the introduction of poplar S307-26 and PE-19-66 in Shandong Province. Journal of Jiangsu Forestry Science & Technology 30(8): 1-6.
- QIN, G. H., Y. Z. JIANG and Y. L. QIAO (2003): Field test of new poplar cones in Shandong Province. Journal of Forestry Research 14(3): 225-229.
- RAJORA, O. P., L. ZSUFFA and F. C. YEH (1994): Variation, inheritance and correlations of growth characters and melampsora leaf rust resistance in full-sib families of Populus. Silvae Genetica 43 (4): 219-226.
- REDEI, K. (2000): Early performance of promising white poplar (Populus alba) clones in sandy ridges between the rivers Danube and Tisza in Hungary. Forestry 73(4): 407-413.
- RIEMENSCHNEIDER, D. E., B. E. MCMAHON and M. E. OSTRY (1994): Population-dependent selection strategies needed for 2-year-old black cottonwood clones. Can J. For. Res. 24: 1704-1710.
- SAS INSTITUE INC (1999): SAS/STAT user’s guide, Version8. SAS Institute Inc, Cary, NC, USA.
- STEENACKERS, J., M. STEENACKERS, V. STEENACKERS and M. STEVENS (1996): Poplar diseases, consequences on growth and wood quality. Biomass Bioenergy 10: 267-274.
- YANG, S., L. LU and Y. NI (2006): Cloned poplar as a new fiber resource for the Chinese pulp and paper industry. Pulp & Paper Canada 107(2): 34-37.
- ZHANG, S. T., Q. B. YU, G. CHAURET and A. KOUBAA (2003): Selection for both growth and wood properties in hybrid poplar clones. For. Sci. 49: 901-908.
- ZOBEL, B. J. and J. B. JETT (1995): Genetics of Wood Production. Springer Verlag, Berlin, Heidelberg, New York.