1. CIRAD, Performance of Tropical Production and Processing Systems Department, UMR QUALISUD, TA B-95/16, 73, avenue Jean François Breton, 34398 Montpellier Cedex 5, France
2. CIRAD, Biological Systems Department, Research Unit 39, “Genetic Diversity and Breeding of Forest Tree Species”, Campus international de Baillarguet TA A-39/C, 34398 Montpellier Cedex 5, France
3. CIRAD, Performance of Tropical Production and Processing Systems Department, UMR IATE, TA B 62/16, 73 rue Jean François Breton, 34398 Montpellier Cedex 5, France
4. Institut d’Economie Rurale, PRF/CRRA-SIKASSO BP 178/16, Sikasso, Mali
5. Department of Forest Biology & Ecosystems Management, Faculty of Forestry and Nature Conservation, Makerere University, PO Box 7062 Kampala, Uganda
6. Institut Sénégalais de la Recherche Agronomique, Centre National de la Recherche Forestière, BP 2312 Dakar-Hann, Senegal
7. INERA-Centre National de la Recherche Scientifique et Technologique, 03 BP 7041, Ouagadougou, Burkina Faso