Authors
Maria Morozowska
Department of Botany, Poznań University of Life Sciences, Poznań, Poland
Roman Hołubowicz
Department of Horticulture Seed Science and Technology, Poznań University of Life Sciences, Przeźmierowo, Poland
© 2013 Maria Morozowska, Roman Hołubowicz, published by Polish Society for Horticultural Sciences (PSHS)
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.