Soybean Cyst Nematode Control. J. A. Wrather, University of Missouri Delta Center, Portageville. S. C. Anand, University of Missouri Delta Center, Portageville, V. H. Dropkin, University of Missouri, Columbia. Plant Dis. 68:829. Copyright 1984 The American Phytopathological Society. DOI: 10.1094/PD-68-829.