Pathotype diversity among Algerian isolates of Pyrenophora teres f. teres
Barley Net Blotch caused by Pyrenophora teres f.teres (Ptt) is one of the most Kingdom Hearts Pins important foliar diseases in north western Algeria.The disease could cause appreciable yield losses under favorable environmental conditions.Studies on pathogen variability and distribution of virulence in Ptt are essential to identify effective sourc