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Significance of current weather conditions for foliar traits of old-growth sessile oak (Quercus petraea Liebl) trees

Arab, Leila; Seegmueller, Stefan; Kreuzwieser, Jürgen; Eiblmeier, Monika; Dannenmann, Michael; Rennenberg, Heinz


The aim of the present study was to elucidate the significance of current weather conditions for foliar traits of adult sessile oak (Quercus petraea), one of the most valuable forest tree species in Central Europe. For this purpose, structural and functional traits were analysed in fully expanded, sun exposed leaves collected in south-west Germany from five old-growth forest stands, representing the meteorological and pedospheric conditions in the growing region, but differing in aridity during the 12 days before harvest in two consecutive years. Across the forest stands, most foliar traits differed significantly between wet and dry weather conditions before harvest as indicated by partial least square discriminant analysis (PLS-DA). These traits included fresh weight/dry weight ratio, leaf hydration, leaf-C content, leaf-C/N ratio, structural N, soluble protein-N, total amino acid-N, cell wall composition, numerous specific amino acids as well as soluble sugar content. Structural biomass, δ13C signature, total N and total C as well as H2O2 contents were not affected by the weather before harvest. These results indicate a high plasticity of the foliar metabolism of drought-tolerant sessile oak to current weather conditions. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000141132
Veröffentlicht am 15.12.2021
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Meteorologie und Klimaforschung – Atmosphärische Umweltforschung (IMK-IFU)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2022
Sprache Englisch
Identifikator ISSN: 0931-1890, 1432-2285
KITopen-ID: 1000141132
HGF-Programm 12.11.23 (POF IV, LK 01) Adaptation of managed landscapes to climate change
Erschienen in Trees - Structure and Function
Verlag Springer
Band 36
Seiten 777–791
Vorab online veröffentlicht am 06.12.2021
Nachgewiesen in Web of Science
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