Acknowledgments:
We would like to thank the Professor Elżbieta Kuta from the Institute of Botany of the Jagiellonian University for her valuable comments and discussions about the results of the work and during writing the manuscript. We thank also to Robert Gawecki from the Department of Cell Biology of the Silesian University for his technical assistance during analysis of cell wall composition.
This work was supported by statutory research funds from the Department of Plant Cytology and Embryology, Faculty of Biology, Jagiellonian University in Cracow and from the Department of Cell Biology, Silesian University in Katowice.
This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.