Antioxidant Enzyme, Chlorophyll Contents and Stomatal Changes of Five Tree Species under Ozone Stress

This study is conducted to identify responses of plants to low O₃ concentration. Five species, Liriodendron tulipifera, Cornus officinalis, Ginkgoba biloba, Zelkova serrata, and Acer palmatum, were exposed to low ozone concentration from June 9 to July 8 in the phytotron. We measured chlorophyll con...

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Bibliographic Details
Published inJournal of Korean Forestry Society Vol. 96; no. 4
Main Authors Ryang, S.Z. (University of Seoul, Seoul, Republic of Korea), Woo, S.Y. (University of Seoul, Seoul, Republic of Korea), E-mail: wsy@uos.ac.kr, Je, S.M. (Korea Forest Research Institute, Seoul, Republic of Korea)
Format Journal Article
LanguageKorean
Published 01.09.2007
Subjects
ACER PALMATUM
antioxidant enzyme activities
ascorbate peroxidase
chlorophyll contents
Cornus officinalis
GINKGO BILOBA
leaf diffusive resistance
LIRIODENDRON TULIPIFERA
OZONE
OZONO
TRANSPIRACION
TRANSPIRATION
Zelkova serrata
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Summary:This study is conducted to identify responses of plants to low O₃ concentration. Five species, Liriodendron tulipifera, Cornus officinalis, Ginkgoba biloba, Zelkova serrata, and Acer palmatum, were exposed to low ozone concentration from June 9 to July 8 in the phytotron. We measured chlorophyll contents, leaf diffusion resistance, leaf transpiration, and antioxidant enzyme activities; ascorbate peroxidase (APX). Especially, Liriodendron tulipifera and Cornus officinalis showed sensitive responses to ozone treatment as visible injuries, while other four species relatively showed tolerant responses.
Bibliography:2008001875
K01
ISSN:0445-4650