1. INRA UR1052 GAFL 67 Allée des Chênes Domaine Saint Maurice – CS60094 Montfavet Cedex 84143 France
2. Syngenta 12 Chemin de l'Hobit Saint Sauveur 31790 France
3. INRA UR0588 Orléans Cedex 2 45075 France
4. Syngenta Jealott's Hill International Research Centre Bracknell Berkshire RG42 6EY UK
5. Plant Research International 6700 AA Wageningen the Netherlands