Fungal Resistance to Sterol Biosythesis Inhibitors: A New challenge. Wolfram Koller, New York State Agricultural Experiment Station, Geneva. Hans Scheinpflug, Agricultural Division, Bayer AG, Leverkusen, Federal Republic of Germany. Plant Dis. 71: 1066-107. Copyright 1987 The American Phytopathological Society. DOI: 10.1094/PD-71-1066.