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Inhibition of stem elongation in spinach by theobroxide

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Title: Inhibition of stem elongation in spinach by theobroxide
Authors: Kong, Fanjiang Browse this author
Gao, Xiquan Browse this author
Nam, Kyong-Hee Browse this author
Takahashi, Kosaku Browse this author →KAKEN DB
Matsuura, Hideyuki Browse this author
Yoshihara, Teruhiko Browse this author
Keywords: Gibberellin
Jasmonic acid
Spinach (Spinacia oleracea L.)
Stem elongation
Issue Date: 3-Mar-2006
Publisher: ELSEVIER
Journal Title: Journal of Plant Physiology
Volume: 163
Issue: 5
Start Page: 557
End Page: 561
Publisher DOI: 10.1016/j.jplph.2005.05.005
PMID: 16473660
Abstract: In the current studies, we investigated the influences of theobroxide on stem elongation in spinach (Spinacia oleracea L.). Our results showed that stem elongation and flower formation were inhibited by spraying spinach plants with theobroxide under inductive, long day conditions (16 h light/8 h dark), while application of exogenous applied GA3 prevented the effect of theobroxide. Quantitative analysis showed that theobroxide suppressed GA1 biosynthesis, whereas the endogenous content of jasmonic acid was unchanged. However, under short day conditions (10 h light/14 h dark), there were no differences in stem length between treated and untreated plants. These results suggest that the inhibition of stem elongation by theobroxide is probably due to the suppression of gibberellin biosynthesis.
Rights: Copyright © 2006 Elsevier GmbH. All rights reserved
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: Fanjiang Kong

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