1. Laboratoire d'Ecophysiologie des Plantes sous Stress Environnementaux; INRA; UMR 759; 2 Place Viala Montpellier 34060 France
2. Queensland Alliance for Agriculture and Food Innovation; The University of Queensland; Brisbane QLD 4072 Australia
3. Pioneer Hi-Bred International; A DuPont Business; 7250 NW 62nd Avenue Johnston IA 50131 USA