Why Soil Fumigation Fails to Control Potato Corky Ringspot Disease in Florida. D. P. Weingartner, University of Florida Agricultural Research Center, Hastings. J. R. Shumaker, University of Florida Agricultural Research Center, Hastings, G. C. Smart, Jr. University of Florida, Gainesville. Plant Dis. 67:130. Copyright 1983 American Phytopathological Society. DOI: 10.1094/PD-67-130.