1. Faculty
of Natural Sciences, Department of Botany and Genetics, Constantine the Philosopher University, Nábrežie mládeže
91, 949 74 Nitra, Slovak Republic
2. Institute
of Plant Genetics and Biotechnology, Slovak Academy of Sciences, Akademická 2, P.O. Box 39A, 950 07 Nitra, Slovak Republic
3. National
Agricultural
and Food Centre − Research Institute of Plant Production, Bratislavská cesta 122, 921 68 Piešt’any, Slovak Republic