1. Laboratory of Phytopathology, Department of Plants and Crops, Faculty of Bioscience Engineering, Coupure Links 653, 9000 Ghent, Belgium
2. Centre de Ressources Régionales en Biologie Moléculaire, University of Picardie Jules Verne, UFR Sciences, 33 Rue St-Leu, 80039 Amiens, France
3. LINEA–Semences, 20 Avenue Saget, 60210 Grandvilliers, France