Affiliation: | (1) Laboratoire de Biologie Cellulaire, INRA Centre de Versailles, F-78026 Versailles cedex, France;(2) Laboratorium voor Plantengenetica, Vrife Universiteit Brussel, B-1640 Genesius-Rode, Belgium;(3) Present address: Max-Planck-Institut für Züchtungsforschung, D-50829 Köln, Germany;(4) Present address: CSIRO Division of Plant Industry, GRO Box 1600, ACT 2601 Canberra, Australia |