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@ARTICLE{Blanke:46188,
      author       = {Blanke, V. and Renker, C. and Wagner, M. and Füllner, K.
                      and Held, M. and Kuhn, A. J. and Buscot, F.},
      title        = {{N}itrogen supply affects arbuscular mycorrhizal
                      colonization of {A}rtemisia vulgaris in a phosphate-polluted
                      field site},
      journal      = {The new phytologist},
      volume       = {166},
      issn         = {0028-646X},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-46188},
      pages        = {981 - 992},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Root colonization by arbuscular mycorrhizal fungi (AMF) was
                      investigated in industrially polluted grassland
                      characterized by exceptionally high phosphorus levels (up to
                      120 g kg(-1) soil). Along a pollution-induced nitrogen
                      gradient, soil and tissue element concentrations of
                      Artemisia vulgaris plants and their mycorrhizal status were
                      determined. Additionally, we compared mycorrhization rates
                      and above-ground biomass of A. vulgaris at N-fertilized and
                      control plots in the N-poor area. Despite high soil and
                      tissue P concentrations, plants from N-deficient plots,
                      which were characterized by low tissue N concentrations and
                      N : P ratios, were strongly colonized by AMF, whereas at a
                      plot with comparable P levels, but higher soil and plant N
                      concentrations and N : P ratios, mycorrhization rates were
                      significantly lower. Correlation analyses revealed a
                      negative relationship between percentage root colonization
                      of A. vulgaris by AMF and both tissue N concentration and N
                      : P ratio. Accordingly, in the fertilization experiment,
                      control plants had higher mycorrhization rates than
                      N-fertilized plants, whereas the species attained higher
                      biomass at N-fertilized plots. The results suggest that N
                      deficiency stimulates root colonization by AMF in this
                      extraordinarily P-rich field site.},
      keywords     = {Artemisia: metabolism / Artemisia: microbiology /
                      Fertilizers / Mycorrhizae: metabolism / Nitrogen: metabolism
                      / Phosphates: analysis / Plant Roots: microbiology / Soil:
                      analysis / Soil Pollutants / Fertilizers (NLM Chemicals) /
                      Phosphates (NLM Chemicals) / Soil (NLM Chemicals) / Soil
                      Pollutants (NLM Chemicals) / Nitrogen (NLM Chemicals) / J
                      (WoSType)},
      cin          = {ICG-III},
      ddc          = {580},
      cid          = {I:(DE-Juel1)VDB49},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Plant Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:15869657},
      UT           = {WOS:000228750700026},
      doi          = {10.1111/j.1469-8137.2005.01374.x},
      url          = {https://juser.fz-juelich.de/record/46188},
}