Number 1, January

Tree Physiology 14:1–16 [ Summary ] [ Full Text ]
Induction and stability of somaclonal variation in growth, leaf phenotype and gas exchange characteristics of poplar regenerated from callus culture
N. Th. Saieed, G. C. Douglas and D. J. Fry

Tree Physiology 14:17–26 [ Summary ] [ Full Text ]
Somaclonal variation in growth, leaf phenotype and gas exchange characteristics of poplar: utilization of leaf morphotype analysis as a basis for selection
N. Th. Saieed, G. C. Douglas and D. J. Fry

Tree Physiology 14:27–35 [ Summary ] [ Full Text ]
Enhancement of the endogenous cytokinin concentration in poplar by transformation with Agrobacterium T-DNA gene ipt
Klaus von Schwartzenberg, Patrick Doumas, Lise Jouanin and Gilles Pilate

Tree Physiology 14:37–48 [ Summary ] [ Full Text ]
Carbohydrate requirements for dark respiration by peach vegetative organs
Yaffa L. Grossman and Theodore M. DeJong

Tree Physiology 14:49–62 [ Summary ] [ Full Text ]
Shape of tree stems—a re-examination of the uniform stress hypothesis
John Morgan and Melvin G. R. Cannell

Tree Physiology 14:63–73 [ Summary ] [ Full Text ]
Uptake and distribution of calcium and phosphorus in beech (Fagus sylvatica) as influenced by aluminum and nitrogen
Bengt Bengtsson, Håkan Asp and Paul Jensén

Tree Physiology 14:75–88 [ Summary ] [ Full Text ]
Relationships between nutrient supply, nitrogen partitioning and growth in young Sitka spruce (Picea sitchensis)
M. F. Proe and P. Millard

Tree Physiology 14:89–102 [ Summary ] [ Full Text ]
Crown architecture of understory and open-grown white pine (Pinus strobus L.) saplings
Barbara M. O'Connell and Matthew J. Kelty

Tree Physiology 14:103–110 [ Summary ] [ Full Text ]
Heat-shock response of Pinus and Picea seedlings
David J. Gifford and Edith Taleisnik