Title
Low doses of ultraviolet-B or ultraviolet-C radiation affect phytohormones in young pea plants Low doses of ultraviolet-B or ultraviolet-C radiation affect phytohormones in young pea plants
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
Praha ,
Subject
Biology
Source (journal)
Biologia plantarum / Czechoslovak Academy of Sciences. - Praha
Volume/pages
53(2009) :2 , p. 365-368
ISSN
0006-3134
ISI
000267680100028
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
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.
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