1 Mustapha Jouahri, Abdeslam Asehraou; Laboratory of Biology of Plants and Microorganisms, Section of Applied Microbiology, Biology Department, Faculty of Sciences, Mohamed 1st University, BP: 524, 60 000 Oujda, Morocco. Corresponding author Abdeslam Asehraou Tel: 212 36 50 06 01/02, Fax: 212 36 50 06 03, email: [email protected] 2 Hakim Karib; Department of HIDAOA, Hassan II Institute of Agron...