1. Phytobiotechnology Unit; National Agency of Medicinal and Aromatic Plants; PB 159 Taounate Morocco
2. University of Sidi Mohamed Ben Abdellah; Imouzzer Road PB 2626, 30000 Fez Morocco
3. ICARDA-INRA Cooperative Research Project; International Center for Agricultural Research in the Dry Areas (ICARDA); PB 6299 Rabat Morocco
4. Biotechnology Research Unit; National Institute of Agronomic Research; PB 415 Rabat Morocco
5. Department of Plant, Soil & General Agriculture; Southern Illinois University; Carbondale IL 62901-6899 USA
6. Faculty of Medicine and Pharmacy; Mohamed V University; Mohamed Belarbi El Alaoui ST PB 6203, Rabat Morocco