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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},
}