Details Details PDF BIBTEX RIS Title Blumeria graminis f. sp. hordei virulence frequency and the powdery mildew incidence on spring barley in the Wielkopolska province Journal title Journal of Plant Protection Research Yearbook 2014 Volume vol. 54 Issue No 1 Authors Tratwal, Anna ; Bocianowski, Jan Divisions of PAS Nauki Biologiczne i Rolnicze Publisher Committee of Plant Protection PAS ; Institute of Plant Protection – National Research Institute Date 2014 Identifier DOI: 10.2478/jppr-2014-0005 ; ISSN 1427-4345 ; eISSN 1899-007X Source Journal of Plant Protection Research; 2014; vol. 54; No 1