1. The Franciszek Górski Institute of Plant Physiology Polish Academy of Sciences Niezapominajek 21 30‐239 Kraków Poland
2. Department of Plant Genetics, Breeding and Biotechnology West‐Pomeranian University of Technology Słowackiego 17 71‐434 Szczecin Poland
3. Department of Applied Nuclear Physics Faculty of Physics and Applied Computer Science AGH University of Science and Technology Mickiewicza 3 30‐059 Kraków Poland