Number 2, June

Tree Physiology 4:101–108 [ Summary ] [ Full Text ]
Root growth in Sitka spruce and Douglas-fir transplants: dependence on the shoot and stored carbohydrates
J. J. Philipson

Tree Physiology 4:109–118 [ Summary ] [ Full Text ]
The activity, characterization and distribution of the nitrogen assimilation enzyme, glutamine synthetase, in jack pine seedlings
L.-P. Vézina, H. A. Margolis and R. Ouimet

Tree Physiology 4:119–128 [ Summary ] [ Full Text ]
Autumnal changes of sulfur fractions and the ratio of organic sulfur to total nitrogen in leaves and adjacent bark of eastern cottonwood, white basswood and actinorhizal black alder
Benoit Côté, Jeffrey O. Dawson and Mark B. David

Tree Physiology 4:129–138 [ Summary ] [ Full Text ]
Growth and water relations of seedlings of two subspecies of Eucalyptus globulus
D. Wang, E. P. Bachelard and J. C. G. Banks

Tree Physiology 4:139–152 [ Summary ] [ Full Text ]
Growth and development during the establishment year of two Populus clones with contrasting morphology and phenology
D. A. Michael, J. G. Isebrands, D. I. Dickmann and N. D. Nelson

Tree Physiology 4:153–165 [ Summary ] [ Full Text ]
Effects of hypoxia and elevated carbon dioxide concentration on water flux through Populus roots
Barbara Smit and Matt Stachowiak

Tree Physiology 4:167–172 [ Summary ] [ Full Text ]
Sensitivity of red oak (Quercus rubra L.) and American beech (Fagus grandifolia Ehrh.) seedlings to sodium salts in solution culture
F. C. Thorton, M. Schaedle and D. J. Raynal

Tree Physiology 4:173–179 [ Summary ] [ Full Text ]
Micropropagation of a mature colchicine-polyploid and irradiation-mutant of Betula pendula Roth
Eliisa Särkilahti

Tree Physiology 4:181–186 [ Summary ] [ Full Text ]
Protein synthesis in slash pine callus cultures exposed to water stress
J. V. Valluri, W. J. Treat, R. J. Newton, B. G. Cobb and E. J. Soltes

Tree Physiology 4:187–193 [ Summary ] [ Full Text ]
Chlorophyll and carotenoid concentrations in two varieties of Pinus ponderosa seedlings subjected to long-term elevated carbon dioxide
James L. J. Houpis, Kris A. Surano, S. Cowles and Joseph H. Shinn