Contact:
Michael Tausz, Department of Forest and Ecosystem Science, University of Melbourne, Water Street, Creswick, Victoria 3363, Australia michael.tausz@unimelb.edu.au
Luit J. De Kok, Laboratory of Plant Physiology, P.O. Box 14, 9750 AA Haren, The Netherlands l.j.de.kok@rug.nl (ldekok@unimelb.edu.au)