Antioxidant system as a potential indicator of the climatic adaptation of beech (Fagus sylvatica L.)
Eszter Rajczi Visiné, Tamás Hofmann, Levente Albert & Csaba Mátyás
Correspondence
Correspondence: Visiné Rajczi Eszter
Postal address: H-9400 Sopron, Bajcsy-Zsilinszky u. 4.
Abstract
The effect of simulated climate change was studied on populations of different beech (Fagus sylvatica L.) provenances. The climatic adaptation of six selected beech provenances (Farchau, Pidkamin, Torup, Gråsten, Bánokszentgyörgy, Magyaregregy), growing at the site of the beech provenance test of Bucsuta (H) were compared by the assessment of their enzymatic and non-enzymatic antioxidant system. The total protein content, peroxidase (POD) and polyphenol oxidase (PPO) enzyme activities as well as ABTS (2,2’-azino-bis-(3-etylbenzothiazoline)-6-sulfonic acid) antioxidant capacity were measured from the leaves of selected trees. The identification and quantitative determination of major leaf polyphenols was also determined from the same samples. By the comparative analysis of the enzymatic and non-enzymatic antioxidant systems of the provenances it was concluded that the selected chemical variables were suitable for the assessment of the climatic stress, simulated by the translocation of the investigated provenances. POD enzyme activity as well as total protein content and the concentrations of certian polyphenols could be potential chemical indicators of the adaptation process and could be used in the forecasting of the future effects of climate change and in the selection of propagation material in the future.
Keywords: leaf antioxidant system, oxidoreductase enzymes, polyphenols, Ellenberg index, climate change, beech provenance trials
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Cite this article as:
Visiné, R. E., Hofmann, T., Albert, L. & Mátyás, Cs. (2018): Antioxidant system as a potential indicator of the climatic adaptation of beech (Fagus sylvatica L.). Bulletin of Forestry Science, 8(2): 25-35. (in Hungarian) DOI: 10.17164/EK.2018.019
Volume 8, Issue 2
Pages: 25-35
First published:
17 September 2018
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