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Evaluation of O3 effect on net photosynthetic rate in flag leaves of rice (Oryza sativa L.) by stomatal O3 flux and radical scavenging enzyme activities
http://hdl.handle.net/10069/35873
http://hdl.handle.net/10069/35873695d62bd-2e85-468e-84c4-5b098c3ffa7a
名前 / ファイル | ライセンス | アクション |
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JAM71_211.pdf (1.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-10-02 | |||||
タイトル | ||||||
タイトル | Evaluation of O3 effect on net photosynthetic rate in flag leaves of rice (Oryza sativa L.) by stomatal O3 flux and radical scavenging enzyme activities | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Net photosynthetic rate | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Ozone | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Radical scavenging enzymes | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Rice | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Stomatal ozone flux | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Yamaguchi, Masahiro
× Yamaguchi, Masahiro× Hoshino, Daiki× Kondo, Taisuke× Satoh, Ryohei× Inada, Hidetoshi× Izuta, Takeshi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | To evaluate the effects of O3 on the net photosynthetic rate in flag leaves of rice (Oryza sativa L.) based on stomatal O3 flux and reactive oxygen species (ROS) scavenging enzyme activities, the Japanese rice cultivar Koshihikari was exposed to O3 for 1 month after heading in O3-exposure chambers. During the exposure period, rice plants were exposed to charcoal-filtered air or O3 at 60 or 100 nl l-1 (ppb) daily (10:00?17:00). Light-saturated net photosynthetic rate (Asat) and ROS scavenging enzyme activities in the flag leaves were periodically measured during the exposure period. The O3 exposure significantly reduced Asat on the 20th and 31st days after the beginning of O3 exposure (DAE). The degree of O3-induced reduction in Asat was explained by the cumulative flux of O3 compared with concentration-based O3 indices. The activities of ROS scavenging enzymes such as ascorbate peroxidase and catalase at 32 DAE were lower than at 1 DAE. During the latter half of the O3 exposure period (21?31 DAE), the daily average stomatal O3 flux was also lower than that during the first half of the period (1?20 DAE), which was mainly caused by lower photosynthetic photon flux density, lower air temperature and leaf senescence. These results suggest that the balance between stomatal O3 flux and leaf cellular detoxification capacity in the flag leaves of rice, which determines the degree of O3 damage, might have been similar between the first half and latter half of the O3 exposure period. | |||||
書誌情報 |
Journal of Agricultural Meteorology 巻 71, 号 3, p. 211-217, 発行日 2015-09-10 |
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出版者 | ||||||
出版者 | 日本農業気象学会 | |||||
出版者別言語 | ||||||
Society of Agricultural Meteorology of Japan | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00218588 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18810136 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2480/agrmet.D-14-00014 | |||||
権利 | ||||||
権利情報 | c 2015, Society of Agricultural Meteorology of Japan. | |||||
権利 | ||||||
権利情報 | 利用は著作権の範囲内に限られる | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 農業気象, 71(3), pp.211-217; 2015 |