Smedegård-Petersen, V. Reduction in yield and grain size of barley due to attack by the net blotch fungus Pyrenophora teres Preprint from Den Kgl. Veterinær- og Landbohøjskole årsskrift 1974 - Copenhagen The Royal Vet. and Agri. University 1974 - 108-117 Subjects--Index Terms: Pathology PLANT DISEASES PATHOGENS BARLEY