UV-B Radiations and Secondary Metabolites

İlkay Yavaş, Aydın Ünay, Shafaqat Ali, Zohaib Abbas


Ultraviolet-B (UV-B: 280 to 320 nm) radiations have appeared to be detrimental to plants, due to their damaging effects on proteins, lipids, membranes and DNA. UV-B radiations are a significant regulator of plants’ secondary metabolites. High intensity of ultraviolet radiations may interfere with growth and productivity of crops. But low levels of UV-B radiations give rise to changes in the plants’ secondary metabolites such as phenolic compounds, carotenoids and glucoseinolates. Therefore, low intensity of UV-B radiations may be used to generate plants, enriched with secondary metabolites, having improved reproductive ability, early ripening and tolerance against fungi, bacteria and herbivores.


Caretenoids; glucosinolates; phenolic compounds; secondary metabolites; Ultraviolet-B

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DOI: https://doi.org/10.24925/turjaf.v8i1.147-157.2878

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This work is licensed under Creative Commons Attribution 4.0 International License

ISSN: 2148-127X

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