Biologia plantarum 53:365-368, 2009 | DOI: 10.1007/s10535-009-0068-1

Low doses of ultraviolet-B or ultraviolet-C radiation affect phytohormones in young pea plants

Z. Katerova1,*, S. Ivanov2, E. Prinsen3, H. Van Onckelen3, V. Alexieva1, A. Azmi3
1 Acad. M. Popov Institute of Plant Physiology, Bulgarian Academy of Sciences, Sofia, Bulgaria
2 Centre of Food Biology, Sofia, Bulgaria
3 Department of Biology, University of Antwerp, Antwerp, Belgium

Pea (Pisum sativum L., cv. Scinado) seedlings were exposed to low doses of ultraviolet-B (UV-B; 4.4 and 13.3 kJ m-2 d-1) or UV-C (0.1 and 0.3 kJ m-2 d-1) radiation for 14 d. Aminocyclopropane carboxylic acid (ACC), indoleacetic acid (IAA) and abscisic acid (ABA) contents were quantified by gas chromatography coupled to mass spectrometry (GC-MS). The accumulation of ACC upon irradiation was dose-dependent. ABA content was reduced and IAA content increased upon UV-C treatment whereas the UV-B doses used did not cause significant changes in ABA and IAA contents.

Keywords: abscisic acid; aminocyclopropane carboxylic acid; indoleacetic acid; Pisum sativum; stress
Subjects: abscisic acid (ABA); aminocyclopropane carboxylic acid (ACC); auxins; pea; Pisum sativum; UV radiation

Received: March 3, 2008; Accepted: July 5, 2008; Published: June 1, 2009Show citation

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Katerova, Z., Ivanov, S., Prinsen, E., Onckelen, H., Alexieva, V., & Azmi, A. (2009). Low doses of ultraviolet-B or ultraviolet-C radiation affect phytohormones in young pea plants. Biologia plantarum53(2), 365-368. doi: 10.1007/s10535-009-0068-1.
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