TY - GEN AU - SmedegÄrd-Petersen, V. TI - Leptosphaeria nodorum (Septoria nodorum). A new pathogen on barley in Denmark, and its physiologic specialization on barley and wheat Fortryk af FRIESIA X, 4 1974 PY - 1974/// CY - Copenhagen PB - The Royal Vet. and Agri. University KW - Pathology KW - PLANT DISEASES PATHOGENS BARLEY WHEAT ER -