1. Kálmán Kerpely Doctoral School of Crop Production and Horticultural Science, University of Debrecen, Böszörményi Street 138, H-4032 Debrecen, Hungary
2. Department of Horticulture, College of Agriculture and Environmental Science, Debark University, North Gondar, Debark P.O. Box 90, Ethiopia
3. Institutes for Agricultural Research and Educational Farm, University of Debrecen, H-4032 Debrecen, Hungary
4. Institute of Crop Sciences, Faculty of Agricultural, Food Sciences and Environmental Management, University of Debrecen, Böszörményi Street 138, H-4032 Debrecen, Hungary