Bembelkacem, Abdelkader | Ceccarelli, Salvatore | Amri, Ahmed | Boulif, Mohammed Variation in the Pathogenicity of 20 Algerian Isolates of "Pyrenophora graminea" Ito e Kur. on Nine Barley ("Hordeum vulgare" L.) Varieties 2000 - Firenze University Press Is part of Phytopathologia mediterranea. DECEMBER, 2000 Download Read Online PDF a Article