© 2004 by Institute of Chartered Foresters
Clonal variation of indirect cambium reaction to within-growing season temperature changes in Douglas-fir
A1 INRA Orléans, BP 20619, Ardon 45166, Olivet Cedex, France A2 NFV Abt. Waldgenressourcen, Forstamstrasse 6, D-34355 Staufenberg-Escherode, Germany A3 CSIRO Forestry and Forest Products, PO Box E4008, Kingston, ACT 2604, Australia
Wood can be seen as a record of cambial activity. Within a ring, density variation from earlywood to latewood is a consequence of the within growing season climate changes. We propose a method to synchronize the within-ring density profile with within-growing season climate variables. Thanks to this synchronization, we show that Douglas-fir cambium reaction to the variation of the withingrowing season minimum temperature is variable and quite strongly genetically controlled. Such variation has a direct consequence on wood density, and thus on wood quality.
* Corresponding author. E-mail: philippe.rozenberg{at}orleans.inra.fr