1. Federal Centre for Breeding Research on Cultivated Plants (BAZ), Institute of Plant Analysis, Neuer Weg 22-23, D-06484 Quedlinburg, Germany; Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland; Federal Centre for Breeding Research on Cultivated Plants (BAZ), Institute of Horticultural Crops, Neuer Weg 22-23, D-06484 Quedlinburg, Germany; Department of Genetics, Plant Breeding and Seed Science, Faculty of Horticulture, Agricultural University of Krakow, Al. 29 Listopada 54,...