1. CIRAD, UMR BGPI; Campus international de Baillarguet, TA A-54K F-34398 Montpellier Cedex 5 France
2. CEFE-CNRS, UMR 5175; 1919 route de Mende F-34293 Montpellier Cedex 5 France
3. CIRAD, Persyst, UPR Syst. Banan. Ananas; TA B-26/PS4, Blvd. de la Lironde 34398 Montpellier Cedex 5 France