1. M. Lee, Svalöv-Weibull AB, S-268 81 Svalöv, Sweden.
2. M. Lenman, A. Banaś, M. Bafor, A. Dahlqvist, P. Gummeson, S. Stymne, Department of Plant Breeding Research, Swedish University of Agricultural Sciences, S-268 31 Svalöv, Sweden.
3. S. Singh and A. Green, Commonwealth Scientific and Industrial Research Organization (CSIRO) Plant Industry, Canberra ACT 2601, Australia.
4. M. Schweizer and S. Sjödahl, Institute of Food Research, Norwich Research Park, Colney, Norwich NR4 7UA, UK.
5. R. Nilsson and C. Liljenberg, Department of Plant Physiology, University of Gothenburg, S-413 19 Gothenburg, Sweden.