sourceTaxonName: Plasmopara halstedii
targetTaxonName: Helianthus annuus
localityName: Italy
referenceCitation: Martin-Sanz, A., Rueda, S., Garcia-Carneros, A.B., and Molinero-Ruiz, L.. 2020. First report of a new highly virulent pathotype of sunflower downy mildew (%Plasmopara halstedii%) overcoming the Pl8 resisitance gene in Europe. Pl. Dis. 104(2):597-598