Venant Nihorimbere1,3, Marc Ongena1*, Hélène Cawoy1, Yves Brostaux2, Pascal Kakana3, Emmanuel Jourdan1 and Philippe Thonart1
1Walloon Centre of Industrial Biology, University of Liège, Gembloux Agro-Bio Tech, Belgium.
2Statistics, informatics and applied mathematics, University of Liège, Gembloux Agro-Bio Tech, Belgium. B-5030 Gembloux, Belgium.
3Faculty of Agronomy, University of Burundi, P. O. Box 1550, Bujumbura, Burundi.
