1. Department of Biomedical Sciences, State University of Novi Pazar, Novi Pazar, Serbia
2. University of Niš, Faculty of Technology, Leskovac, Serbia
3. Department of Agrobotany, University of Belgrade, Zemun-Belgrade, Serbia
4. Department of Biology and Ecology, Faculty of Science, University of Kragujevac, Kragujevac, Serbia
5. Institute for Vegetable Crops, Smederevska Palanka, Serbia