الرئيسية/Biological control of date palm diseases with native antagonistic fungi of Oued Righ region (Algerian Sahara)/Biological control of date palm diseases with native antagonistic fungi of Oued Righ region (Algerian Sahara) Biological control of date palm diseases with native antagonistic fungi of Oued Righ region (Algerian Sahara) Biological control of date palm diseases with native antagonistic fungi of Oued Righ region (Algerian Sahara)