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@ARTICLE{Du:844692,
author = {Du, Baoguo and Kreuzwieser, Jürgen and Dannenmann, Michael
and Junker, Laura and Kleiber, Anita and Hess, Moritz and
Jansen, Kirstin and Eiblmeier, Monika and Gessler, Arthur
and Kohnle, Ulrich and Ensminger, Ingo and Rennenberg, Heinz
and Wildhagen, Henning},
title = {{F}oliar nitrogen metabolism of adult {D}ouglas-fir trees
is affected by soil water availability and varies little
among provenances},
journal = {PLoS one},
volume = {13},
number = {3},
issn = {1932-6203},
address = {Lawrence, Kan.},
publisher = {PLoS},
reportid = {FZJ-2018-02077},
pages = {e0194684 -},
year = {2018},
abstract = {The coniferous forest tree Douglas-fir (Pseudotsuga
menziesii) is native to the pacific North America, and is
increasingly planted in temperate regions worldwide.
Nitrogen (N) metabolism is of great importance for growth,
resistance and resilience of trees. In the present study,
foliar N metabolism of adult trees of three coastal and one
interior provenance of Douglas-fir grown at two common
gardens in southwestern Germany (Wiesloch, W; Schluchsee, S)
were characterized in two subsequent years. Both the native
North American habitats of the seed sources and the common
garden sites in Germany differ in climate conditions. Total
and mineral soil N as well as soil water content were higher
in S compared to W. We hypothesized that i) provenances
differ constitutively in N pool sizes and composition, ii) N
pools are affected by environmental conditions, and iii)
that effects of environmental factors on N pools differ
among interior and coastal provenances. Soil water content
strongly affected the concentrations of total N, soluble
protein, total amino acids (TAA), arginine and glutamate.
Foliar concentrations of total N, soluble protein,
structural N and TAA of trees grown at W were much higher
than in trees at S. Provenance effects were small but
significant for total N and soluble protein content
(interior provenance showed lowest concentrations), as well
as arginine, asparagine and glutamate. Our data suggest that
needle N status of adult Douglas-fir is independent from
soil N availability and that low soil water availability
induces a re-allocation of N from structural N to metabolic
N pools. Small provenance effects on N pools suggest that
local adaptation of Douglas-fir is not dominated by N
conditions at the native habitats.},
cin = {IBG-2},
ddc = {500},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:29566035},
UT = {WOS:000428093900093},
doi = {10.1371/journal.pone.0194684},
url = {https://juser.fz-juelich.de/record/844692},
}