Number 8, April

Tree Physiology 20:493–502 [ Summary ] [ Full Text ]
Detection of a chitinase-like protein in the roots of Douglas-fir trees infected with Armillaria ostoyae and Phellinus weirii
Richard M. Robinson, Rona N. Sturrock, Joanne J. Davidson, Abul K. M. Ekramoddoullah and Duncan J. Morrison

Tree Physiology 20:503–510 [ Summary ] [ Full Text ]
Genes expressed in the latex of Hevea brasiliensis
Kyung-Hwan Han, Dong Ho Shin, Jaemo Yang, In Jeong Kim, Soo Kyung Oh and K. S. Chow

Tree Physiology 20:511–518 [ Summary ] [ Full Text ]
Radial variation in sap velocity as a function of stem diameter and sapwood thickness in yellow-poplar trees
Stan D. Wullschleger and Anthony W. King

Tree Physiology 20:519–526 [ Summary ] [ Full Text ]
Leaf optical properties in Venezuelan cloud forest trees
Lourens Poorter, R. Kwant, R. Hernández, E. Medina and M. J. A. Werger

Tree Physiology 20:527–533 [ Summary ] [ Full Text ]
Needle and stem wood production in Scots pine (Pinus sylvestris) trees of different age, size and competitive status
Petteri Vanninen and Annikki Mäkelä

Tree Physiology 20:535–540 [ Summary ] [ Full Text ]
Thigmomorphogenesis: changes in the morphology and mechanical properties of two Populus hybrids in response to mechanical perturbation
Michele L. Pruyn, Benjamin J. Ewers, III and Frank W. Telewski

Tree Physiology 20:541–547 [ Summary ] [ Full Text ]
Effects of xylem cavitation and freezing injury on dieback of yellow birch (Betula alleghaniensis) in relation to a simulated winter thaw
X. B. Zhu, R. M. Cox and P. A. Arp

Tree Physiology 20:549–555 [ Summary ] [ Full Text ]
Seasonal patterns of carbohydrate reserves in red spruce seedlings
P. G. Schaberg, M. C. Snyder, J. B. Shane and J. R. Donnelly

Tree Physiology 20:557–563 [ Summary ] [ Full Text ]
Drought tolerance of clonal Malus determined from measurements of stomatal conductance and leaf water potential
C. J. Atkinson, M. Policarpo, A. D. Webster and G. Kingswell