Institution: | 1. Crop Research Institute, Division of Crop Protection and Plant Health, 161 06 Prague 6, Czech Republic;2. Department of Plant Pathology, University of Nebraska‐Lincoln, 406H Plant Sciences Hall, Lincoln, NE 68583, USA;3. Population Ecology Laboratory, Faculty of Biology, Adam Mickiewicz University in Poznań, Umultowska 89, Poznań 61‐614, Poland |