Number 2, September

Tree Physiology 13:107–117 [ Summary ] [ Full Text ]
Photosynthesis of oak leaves under water stress: maintenance of high photochemical efficiency of photosystem II and occurrence of non-uniform CO₂ assimilation
Daniel Epron and Erwin Dreyer

Tree Physiology 13:119–129 [ Summary ] [ Full Text ]
Cold tolerance and water content of current-year red spruce foliage over two winter seasons
Timothy D. Perkins, Gregory T. Adams, Sean Lawson and Mark T. Hemmerlein

Tree Physiology 13:131–144 [ Summary ] [ Full Text ]
Midwinter needle temperature and winter injury of montane red spruce
G. R. Strimbeck, A. H. Johnson and D. R. Vann

Tree Physiology 13:145–155 [ Summary ] [ Full Text ]
Assimilation and stomatal conductance responses of red spruce to midwinter frosts and the constituent ions of acid mist
Derek Eamus

Tree Physiology 13:157–172 [ Summary ] [ Full Text ]
Analysis of the relationships among O₃ uptake, conductance, and photosynthesis in needles of Pinus ponderosa
James A. Weber, C. Scott Clark and William E. Hogsett

Tree Physiology 13:173–187 [ Summary ] [ Full Text ]
Growth and nutrition of nonmycorrhizal and mycorrhizal pitch pine (Pinus rigida) seedlings under phosphorus limitation
Jonathan R. Cumming

Tree Physiology 13:189–201 [ Summary ] [ Full Text ]
Growth and photosynthesis of tropical forest tree seedlings (Bischofia javanica Blume) as influenced by a change in light availability
M. Kamaluddin and J. Grace

Tree Physiology 13:203–212 [ Summary ] [ Full Text ]
Three dimensional distribution of needle and stem surface area in a Douglas-fir
Warren L. Webb and Michael J. Ungs