1. Department of Plant Production; Faculty of Bioscience Engineering; Ghent University; Coupure links 653 9000 Ghent Belgium
2. Institut National de la Recherche Agronomique du Maroc (INRA) Centre Régional de Settat; B.P 589 Settat Morocco
3. ICARDA-INRA Cooperative Research Project; International Center for Agricultural Research in the Dry Areas (ICARDA); B.P. 6299 Rabat Morocco
4. Institute for Agricultural and Fisheries Research (ILVO)-Plant Sciences Unit; Applied Genetics and Breeding; Caritasstraat 21 9090 Melle Belgium
5. Faculty of Tropical AgriSciences; Czech University of Life Sciences; Prague Kamycka 129, 165 21 Prague 6 - Suchdol, Czech Republic