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Cytogenetic response of 24-epibrassinolide on the root meristem cells of barley seeds under salinity

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Abstract

Cytogenetic response of 24-epibrassinolide (EBR) and different NaCl concentrations (0.30, 0.35 and 0.40 M, molar) on root meristem cells of barley were analysed. Plants grown on media containing 0.30, 0.35 and 0.40 M NaCl showed a significant decrease of mitotic index and higher number of chromosomal abnormalities as compared to those of control conditions. Also, the mitotic index approximately 50% decreased in EBR- treated samples and chromosomal abnormalities almost tipled those of control. EBR pretreatment in higher concentrations of salt (0.40 M NaCl) caused total inhibition of mitotic activity in root-tip cells. However, comparison of all concentrations of salt and control revealed to have a successful performance in ameliorating of the detrimental effects of salinity on chromosomal abnormalities.

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Acknowledgements

The authors thank the Department of Scientific Research Project Management of Süleyman Demirel University (SDUBAP) for the financial support by the project SDUBAP (1167).

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  1. Department of Biology, Arts and Sciences Faculty, Süleyman Demirel University, Isparta, Turkey

    Selma Tabur & Kıymet Demir

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  1. Selma Tabur
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  2. Kıymet Demir
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Correspondence to Selma Tabur.

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Tabur, S., Demir, K. Cytogenetic response of 24-epibrassinolide on the root meristem cells of barley seeds under salinity. Plant Growth Regul 58, 119–123 (2009). https://doi.org/10.1007/s10725-008-9357-5

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