Acknowledgements
The authors wish to express their thanks to
Professor E.Weiler from Ruhr University,
Bochum, Germany for generously providing us
with antibody and tracer, to Professor H. Mackiewicz
for plant pollination, to M. Dzieciol for her
assistance in ABA assays and to Professor D.
Baker from Wye College, University of London,
Wye, UK for his kindness in linguistic correction
of the manuscript.