1. Endangered Species and Crops Laboratory,'Biological Sciences and Agronomic Sciences Faculty, Mouloud Mammeri University, 15000 Tizi-Ouzou, Algeria
2. INRA, UR 1115, Plantes et systèmes de cultures horticoles, F-84000 Avignon, France
3. Faculty of Letters and Languages, Mouloud Mammeri University, 15000 Tizi-Ouzou, Algeria