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@ARTICLE{Walter:56254,
      author       = {Walter, A. and Scharr, H. and Gilmer, F. and Zierer, R. and
                      Nagel, K. A. and Ernst, M. and Wiese, A. and Virnich, O. and
                      Christ, M. M. and Uhlig, B. and Jünger, S. and Schurr, U.},
      title        = {{D}ynamics of seedling growth acclimation towards altered
                      light conditions can be quantified via {GROWSCREEN}: a setup
                      and procedure designed for rapid optical phenotyping of
                      different plant species},
      journal      = {The new phytologist},
      volume       = {174},
      issn         = {0028-646X},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-56254},
      pages        = {447 - 455},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Using a novel setup, we assessed how fast growth of
                      Nicotiana tabacum seedlings responds to alterations in the
                      light regime and investigated whether starch-free mutants of
                      Arabidopsis thaliana show decreased growth potential at an
                      early developmental stage. Leaf area and relative growth
                      rate were measured based on pictures from a camera
                      automatically placed above an array of 120 seedlings.
                      Detection of total seedling leaf area was performed via
                      global segmentation of colour images for preset thresholds
                      of the parameters hue, saturation and value. Dynamic
                      acclimation of relative growth rate towards altered light
                      conditions occurred within 1 d in N. tabacum exposed to high
                      nutrient availability, but not in plants exposed to low
                      nutrient availability. Increased leaf area was correlated
                      with an increase in shoot fresh and dry weight as well as
                      root growth in N. tabacum. Relative growth rate was shown to
                      be a more appropriate parameter than leaf area for detection
                      of dynamic growth acclimation. Clear differences in leaf
                      growth activity were also observed for A. thaliana. As
                      growth responses are generally most flexible in early
                      developmental stages, the procedure described here is an
                      important step towards standardized protocols for rapid
                      detection of the effects of changes in internal (genetic)
                      and external (environmental) parameters regulating plant
                      growth.},
      keywords     = {Acclimatization: physiology / Arabidopsis: growth $\&$
                      development / Biomass / Image Processing, Computer-Assisted:
                      methods / Light / Phenotype / Plant Leaves: growth $\&$
                      development / Seedling: growth $\&$ development / Tobacco:
                      growth $\&$ development / J (WoSType)},
      cin          = {ICG-3 / JARA-ENERGY},
      ddc          = {580},
      cid          = {I:(DE-Juel1)ICG-3-20090406 / $I:(DE-82)080011_20140620$},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Plant Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:17388907},
      UT           = {WOS:000245413900027},
      doi          = {10.1111/j.1469-8137.2007.02002.x},
      url          = {https://juser.fz-juelich.de/record/56254},
}