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High nitrogen and elevated [CO2] effects on the growth, defense and photosynthetic performance of two eucalypt species

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Title: High nitrogen and elevated [CO2] effects on the growth, defense and photosynthetic performance of two eucalypt species
Authors: Novriyanti, Eka Browse this author
Watanabe, Makoto Browse this author →KAKEN DB
Kitao, Mitsutoshi Browse this author
Utsugi, Hajime Browse this author →KAKEN DB
Uemura, Akira Browse this author →KAKEN DB
Koike, Takayoshi Browse this author →KAKEN DB
Keywords: Eucalypts
Elevated [CO2]
Nitrogen loading
Defense chemical
Resource allocation
Issue Date: Nov-2012
Publisher: Elsevier
Journal Title: Environmental Pollution
Volume: 170
Start Page: 124
End Page: 130
Publisher DOI: 10.1016/j.envpol.2012.06.011
Abstract: Atmospheric nitrogen deposition and [CO2] are increasing and represent environmental problems. Planting fast-growing species is prospering to moderate these environmental impacts by fixing CO2. Therefore, we examined the responses of growth, photosynthesis, and defense chemical in leaves of Eucalyptus urophylla (U) and the hybrid of E. deglupta x E. camadulensis (H) to different CO2 and nitrogen levels. High nitrogen load significantly increased plant growth, leaf N, photosynthetic rate (A_[growth]), and photosynthetic water use efficiency (WUE). High CO2 significantly increased A_[growth], photosynthetic nitrogen use efficiency (PNUE) and WUE. Secondary metabolite (SM, i.e. total phenolics and condensed tannin) was specifically altered; as SM of U increased by high N load but not by elevated [CO2], and vice versa for SM of H.
Type: article (author version)
URI: http://hdl.handle.net/2115/50386
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: 小池 孝良

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