1. CIRAD, UMR LSTM; F-34398 Montpellier France
2. LSTM, Univ Montpellier, CIRAD, INRA, IRD; Montpellier SupAgro F-343983 Montpellier France
3. James Hutton Institute; DD2 5DA4 Dundee UK
4. EMBRAPA-Agrobiologia; Seropedica RJ23891-000 Rio de Janeiro Brazil
5. Université de Montpellier, UMR LSTM; F-34398 Montpellier Cedex 5 France
6. IRD, UMR LSTM; F-34398 Montpellier France