1. Department of Ornamental Plants, Dendrology and Pomology, Faculty of Agronomy, Horticulture, and Bioengineering, Poznań University of Life Sciences, Dąbrowskiego 159, 60-594 Poznan, Poland
2. Department of Phytopathology, Seed Science and Technology, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, Dąbrowskiego 159, 60-594 Poznan, Poland