Archives of Biological Sciences 2012 Volume 64, Issue 2, Pages: 511-516
https://doi.org/10.2298/ABS1202511U
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Effect of cytokinins on shoot apical meristem in Nicotiana tabacum
Uzelac Branka 
(Institute for Biological Research “Siniša Stanković”, Belgrade)
Janošević Dušica (Institute of Botany and Botanical Garden “Jevremovac”, Faculty of Biology, Belgrade)
Stojičić Dragana (Faculty of Science, Niš)
Budimir Snežana (Institute for Biological Research “Siniša Stanković”, Belgrade)
Cytokinins are involved in plant cell proliferation leading to plant growth
and morphogenesis. The size, activity and maintenance of the shoot apical
meristem (SAM) are defined by a balanced rate of mitotic cell divisions and
functional cell differentiation that are controlled by cytokinins. In order
to investigate the effect of exogenous cytokinin on SAM, morpho-anatomical
changes in the shoot apices of tobacco treated with benzyladenine (BA) were
compared to those of untreated control plants.
Keywords: Benzyladenine, histology, shoot apical meristem, tobacco