1. Departamento de Genética, Escola Superior de Agricultura Luiz de Queiroz, and Centro de Energia Nuclear na Agricultura, Universidade de São Paulo, Piracicaba CEP 13418-900, SP, Brazil, Department of Biological Sciences, University of Lancaster, Lancaster LA1 4YQ, United Kingdom, Station de Génétique Végétale INRA/UPS/INA-PG/CNRS UMR 8120, La Ferme du Moulon, 91190 Gif-sur-Yvette, France, Laboratoire de Chimie Biologique, INRA, INA-PG, F78850 Thiverval-Grignon, France, and Departamento de Genética e...