1. BPMP, INRA, CNRS, Université de Montpellier, Montpellier SupAgro, 34090 Montpellier, France
2. Laboratory of Growth Regulators, Centre of the Region Haná for Biotechnological and Agricultural Research, Institute of Experimental Botany CAS and Faculty of Science of Palacký University, CZ-78371 Olomouc, Czech Republic