Publications

• Spicer, R. and N.M. Holbrook. (in review 01/07) “Parenchyma cell respiration and survival in secondary xylem: Does metabolic activity decline with cell age?” Plant, Cell & Environment.



• Spicer, R. and N.M. Holbrook. (in press 1/07) “Effects of carbon dioxide and oxygen on sapwood respiration in five temperate tree species.” Journal of Experimental Botany.



• Spicer, R. 2005. “Senescence in secondary xylem: heartwood formation as an active developmental program.” In: Vascular Transport in Plants, ( eds. N.M. Holbrook and M. Zwieniecki) pp. 457-475. Elsevier/Academic Press, Oxford.



• Spicer, R. and N.M. Holbrook. 2005. “Within-stem oxygen concentration and sap flow in four temperate tree species: does long-lived xylem parenchyma experience hypoxia?” Plant, Cell & Environment, 28:192-201. [PDF]



• Olszyk, D., M. Apple, B.L. Gartner, R. Spicer, C. Wise, E. Buckner, A. Benson-Scott, and D.Tingey 2005. “Xeromorphy increases in shoots of Pseudotsuga menziesii (Mirb.) Franco seedlings with exposure to elevated temperature but not elevated CO2.” Trees: Structure and Function, 19:552-563.



• Spicer, R. and B.L. Gartner. 2002. “Compression wood has a minimal impact on the water relations of Douglas-fir (Pseudotsuga menziesii) seedlings despite a large effect on shoot hydraulic properties.” New Phytologist, 154:633-640. [PDF]



• Spicer, R. and B.L. Gartner. 2001. “The effects of cambial age and position within the stem on specific conductivity in Douglas-fir (Pseudotsuga menziesii) sapwood.” Trees: Structure and Function, 15:222-229. [PDF]



• Gartner, B.L., D.C. Baker and R. Spicer. 2000. “Distribution and vitality of xylem rays in relation to tree leaf area in Douglas-fir.” IAWA Bulletin, 21:398-401.



• Spicer, R., B.L. Gartner and R.L. Darbyshire. 2000. “Sinuous stem growth in a Douglas-fir (Pseudotsuga menziesii) plantation: growth patterns and wood quality effects.” Canadian Journal of Forest Research, 30:761-768.



• Spicer, R. and B.L. Gartner. 1998. Hydraulic properties of Douglas-fir (Pseudotsuga menziesii) branches and branch halves with reference to compression wood.” Tree Physiology, 18:777-784. [PDF]



• Spicer, R. and B.L. Gartner. 1998. “How does a gymnosperm branch assume the hydraulic status of a main stem when it takes over as leader?” Plant, Cell & Environment, 21:1063-1070. [PDF]