1. University of Debrecen, Faculty of Agricultural and Food Sciences and Environmental Management, Institute of Crop Sciences, H-4032 Debrecen, Böszörményi út 138. Hungary
2. University of Debrecen, Faculty of Agricultural and Food Sciences and Environmental Management, Institute of Plant Protection, H-4032 Debrecen, Böszörményi út 138. Hungary
3. Plant Protection Institute, Centre for Agricultural Research, Hungarian Academy of Sciences, H-1022 Budapest, Herman Ottó u. 15.