A two-year-old plant of Poplar clone Ghoy (Populus nigra x Populus deltoides) in September.

Biometrics, Surveys & Statistics Division

This research has been supported by a grant from the Forest Research, an executive Agency of the Forestry Commission, and by a Marie Curie Fellowship of the European Community programme “Quality of Life and Management of living Resources” (QLK5-CT2001-50583).

E. Casella & H. Sinoquet (2003) Tree Physiology23: 1153-1169.

eric.casella@forestry.gsi.gov.uksinoquet@clermont.inra.fr