sourceTaxonName: Plasmopara halstedii
targetTaxonName: Helianthus annuus
localityName: Spain
referenceCitation: Molinero-Ruiz, M.L., Cordon-Torres, M.M., Martinez-Aguilar, J., Melero-Vara, J.M., and Dominguez, J.. 2008. Resistance to metalaxyl and to metalaxyl-M in populations of %Plasmopara halstedii% causing downy mildew in sunflower. Canad. J. Pl. Pathol. 30:97-105