Affiliation: | 1. Research Centre for Plant Growth and Development, School of Biological and Conservation Sciences, University of KwaZulu-Natal — Pietermaritzburg Campus, Private Bag X01, Scottsville 3209, South Africa;2. Institute of Experimental Botany, Academy of Sciences of the Czech Republic, Rozvojova 135, CZ-16502 Prague 6, Czech Republic;3. Present address: Acad. M. Popov Institute of Plant Physiology, Acad. G. Bonchev Str., Bl.21, Sofia 1113, Bulgaria |