First Author:   Elodie Rouviere AgroParisTech elodie.rouviere@agroparistech.fr   AgroParistTech, 648 rue Jean-François Breton, BP 44494 Montpellier, 34093, France   +33 (0)467047111(Phone) +33 (0)467047111(Fax) Second Author: Raphael Soubeyran INRA, UMR1135 LAMETA, F-34000 Montpellier, France. soubeyra@supagro.inra.fr   2 Place Viala Montpellier, 34060, France   0(33) 4-99-61-25-35(Phone)   http://sites.google.com/site/soubeyranhomepage/