Volume 31, Number 1 and 2 Search All Journals Search for: Back to Issue Resistance to Polymyxa betae and Beet Necrotic Yellow Vein Virus in Beta Species of the Section Corollinae View Article PDF Back to Issue Post navigation Genetic Resistance, Fungicide Protection and Variety Approval Policies for Controlling Yield Losses from Cercospora Leaf Spot InfectionsResponse of Sugarbeets, Common Sunflower, and Common Cocklebur to Clopyralid or Desmidipham plus Phenmedipham