Institution: | aLaboratory of Genetics and Plant Breeding, Faculty of Horticulture, Chiba University, 648, Matsudo, Chiba 271-8510, Japan bLaboratoire de Biologie Molecularie des Plantes Superieures (LAMPS), Department de Biologie Vegetale, 30 Quai Ernest-Ansermet, Universite de Geneve, CH-1211 Geneva 4, Switzerland |