Authors
Krzysztof Rutkowski
krzysztof.rutkowski@up.poznan.pl
Department of Dendrology, Pomology and Nursery, University of Life Sciences, Poznań, Poland
Zofia Zydlik
Department of Dendrology, Pomology and Nursery, University of Life Sciences, Poznań, Poland
Aleksander Stachowiak
Department of Dendrology, Pomology and Nursery, University of Life Sciences, Poznań, Poland