Douira, A., Achbani, A., Tourvieille, D., Bahsine, M., Serrhini, M. N., & Laamaraf, N. (2000). Downy Mildew («Plasmapara halstedii») : Importance and Geographical Distribution on Sunflower in Morocco. Phytopathologia Mediterranea, 39(2), 283–288. https://doi.org/10.14601/Phytopathol_Mediterr-1568