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Dong, F.* ; Simon, J.* ; Rienks, M.* ; Lindermayr, C. ; Rennenberg, H.*

Effects of rhizopheric Nitric Oxide (NO) on N uptake in Fagus sylvatica seedlings depend on soil CO2 concentration, soil N availability and N source.

Tree Physiol. 35, 910-920 (2015)
Verlagsversion DOI PMC
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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Rhizospheric nitric oxide (NO) and carbon dioxide (CO2) are signalling compounds known to affect physiological processes in plants. Their joint influence on tree nitrogen (N) nutrition, however, is still unknown. Therefore, this study investigated, for the first time, the combined effect of rhizospheric NO and CO2 levels on N uptake and N pools in European beech (Fagus sylvatica L.) seedlings depending on N availability. For this purpose, roots of seedlings were exposed to one of the nine combinations (i.e., low, ambient, high NO plus CO2 concentration) at either low or high N availability. Our results indicate a significant effect of rhizospheric NO and/or CO2 concentration on organic and inorganic N uptake. However, this effect depends strongly on NO and CO2 concentration, N availability and N source. Similarly, allocation of N to different N pools in the fine roots of beech seedlings also shifted with varying rhizospheric gas concentrations and N availability.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Amino Acids ; Ammonium ; Fine Roots ; Nitrate ; Nitrogen Pools ; Soluble Protein; Elevated Carbon-dioxide; Root-zone Co2; Adult European Beech; Inorganic Carbon; Nitrogen Acquisition; Tomato Seedlings; Lettuce Plants; Gas-exchange; Forest Soil; Amino-acids
Sprache englisch
Veröffentlichungsjahr 2015
HGF-Berichtsjahr 2015
ISSN (print) / ISBN 0829-318X
e-ISSN 1758-4469
Zeitschrift Tree Physiology
Quellenangaben Band: 35, Heft: 8, Seiten: 910-920 Artikelnummer: , Supplement: ,
Verlag Oxford University Press
Verlagsort Oxford
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Environmental Simulation (EUS)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504900-002
PubMed ID 26093371
DOI 10.1093/treephys/tpv051
WOS ID WOS:000360590100010
Scopus ID 84940777408
Erfassungsdatum 2015-06-22
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