Abstract
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.
Abbreviations
- ABA:
-
abscisic acid
- ACC:
-
aminocyclopropane carboxylic acid
- B1:
-
4.4 kJ m−2 d−1 UV-B
- B2:
-
13.3 kJ m−2 d−1 UV-B
- C1:
-
0.1 kJ m−2 d−1 UV-C
- C2:
-
0.3 kJ m−2 d−1 UV-C
- IAA:
-
indoleacetic acid
- PAR:
-
photosynthetically active radiation
- PFBBr:
-
pentafluorobenzyl bromide
- UV:
-
ultraviolet radiation
- UV-BBE:
-
biologically effective dose of UV-B radiation
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Katerova, Z., Ivanov, S., Prinsen, E. et al. Low doses of ultraviolet-B or ultraviolet-C radiation affect phytohormones in young pea plants. Biol Plant 53, 365–368 (2009). https://doi.org/10.1007/s10535-009-0068-1
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DOI: https://doi.org/10.1007/s10535-009-0068-1