***The potential of antagonistic moroccan Streptomyces isolates for the biological control of dampingÔÇÉoff disease of pea ( Pisum sativum L.) caused by Aphanomyces euteiches Oubaha, Brahim; Laboratory of Biology and Biotechnology of Microorganisms Faculty of Sciences Semlalia Cadi Ayyad University Marrakech Morocco - Laboratory of Interaction PlantÔÇÉMicroorganisms, Department of Biology University of Fribourg Fribourg Switzerland Nafis, Ahmed; Laboratory of Biology and Biotechnology of Microorganisms Faculty of Sciences Semlalia Cadi Ayyad University Marrakech Morocco Baz, Mohamed; Laboratory of Biology and Biotechnology of Microorganisms Faculty of Sciences Semlalia Cadi Ayyad University Marrakech Morocco Mauch, Felix; Laboratory of Interaction PlantÔÇÉMicroorganisms, Department of Biology University of Fribourg Fribourg Switzerland Barakate, Mustapha; Laboratory of Biology and Biotechnology of Microorganisms Faculty of Sciences Semlalia Cadi Ayyad University Marrakech Morocco - Agrobiosciences & Fertilizers Program University Mohammed IV Polytechnic (UM6P) Benguerir Morocco