[1] Nestle R&D Tours, F-37097 Tours 2, France
[2] Montpellier Genomix, IGF, F-34094 Montpellier 05, France
[3] Cornell Univ, Boyce Thompson Inst Plant Res, Ithaca, NY 14853 USA
[4] IRD CIRAD, UMR RPB, F-34394 Montpellier, France
[5] IRD, UMR DIAPC, F-34394 Montpellier, France
[6] CIRAD, F-34398 Montpellier 5, France