1. Department of Pomology and Horticultural Economics, Institute of Horticultural Sciences, Warsaw University of Life Sciences, ul. Nowoursynowska 159, 02-776 Warsaw, Poland
2. Department of Plant Physiology, Institute of Biology, Warsaw University of Life Sciences, ul. Nowoursynowska 159, 02-776 Warsaw, Poland
3. Department of Environmental Protection and Dendrology, Institute of Horticultural Sciences, Warsaw University of Life Sciences, ul. Nowoursynowska 159, 02-776 Warsaw, Poland