Authors
Danuta Kulpa
Department of Horiculture Plant Breeding, West-Pomeranien University of Technology, Szczecin, Poland
Natalia Nowak
Department of Horiculture Plant Breeding, West-Pomeranien University of Technology, Szczecin, Poland
© 2012 Danuta Kulpa, Natalia Nowak, published by Polish Society for Horticultural Sciences (PSHS)
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.