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000056254 084__ $$2WoS$$aPlant Sciences
000056254 1001_ $$0P:(DE-Juel1)VDB2595$$aWalter, A.$$b0$$uFZJ
000056254 245__ $$aDynamics of seedling growth acclimation towards altered light conditions can be quantified via GROWSCREEN: a setup and procedure designed for rapid optical phenotyping of different plant species
000056254 260__ $$aOxford [u.a.]$$bWiley-Blackwell$$c2007
000056254 300__ $$a447 - 455
000056254 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000056254 440_0 $$04600$$aNew Phytologist$$v174$$x0028-646X
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000056254 520__ $$aUsing a novel setup, we assessed how fast growth of Nicotiana tabacum seedlings responds to alterations in the light regime and investigated whether starch-free mutants of Arabidopsis thaliana show decreased growth potential at an early developmental stage. Leaf area and relative growth rate were measured based on pictures from a camera automatically placed above an array of 120 seedlings. Detection of total seedling leaf area was performed via global segmentation of colour images for preset thresholds of the parameters hue, saturation and value. Dynamic acclimation of relative growth rate towards altered light conditions occurred within 1 d in N. tabacum exposed to high nutrient availability, but not in plants exposed to low nutrient availability. Increased leaf area was correlated with an increase in shoot fresh and dry weight as well as root growth in N. tabacum. Relative growth rate was shown to be a more appropriate parameter than leaf area for detection of dynamic growth acclimation. Clear differences in leaf growth activity were also observed for A. thaliana. As growth responses are generally most flexible in early developmental stages, the procedure described here is an important step towards standardized protocols for rapid detection of the effects of changes in internal (genetic) and external (environmental) parameters regulating plant growth.
000056254 536__ $$0G:(DE-Juel1)FUEK407$$2G:(DE-HGF)$$aTerrestrische Umwelt$$cP24$$x0
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000056254 65320 $$2Author$$aArabidopsis thaliana
000056254 65320 $$2Author$$aimage processing
000056254 65320 $$2Author$$aleaf growth
000056254 65320 $$2Author$$alight
000056254 65320 $$2Author$$aNicotiana tabacum
000056254 65320 $$2Author$$anutrients
000056254 65320 $$2Author$$aphenotypic analysis
000056254 65320 $$2Author$$aroot growth
000056254 650_2 $$2MeSH$$aAcclimatization: physiology
000056254 650_2 $$2MeSH$$aArabidopsis: growth & development
000056254 650_2 $$2MeSH$$aBiomass
000056254 650_2 $$2MeSH$$aImage Processing, Computer-Assisted: methods
000056254 650_2 $$2MeSH$$aLight
000056254 650_2 $$2MeSH$$aPhenotype
000056254 650_2 $$2MeSH$$aPlant Leaves: growth & development
000056254 650_2 $$2MeSH$$aSeedling: growth & development
000056254 650_2 $$2MeSH$$aTobacco: growth & development
000056254 650_7 $$2WoSType$$aJ
000056254 7001_ $$0P:(DE-Juel1)129394$$aScharr, H.$$b1$$uFZJ
000056254 7001_ $$0P:(DE-Juel1)VDB461$$aGilmer, F.$$b2$$uFZJ
000056254 7001_ $$0P:(DE-HGF)0$$aZierer, R.$$b3
000056254 7001_ $$0P:(DE-Juel1)129373$$aNagel, K. A.$$b4$$uFZJ
000056254 7001_ $$0P:(DE-Juel1)129313$$aErnst, M.$$b5$$uFZJ
000056254 7001_ $$0P:(DE-Juel1)129420$$aWiese, A.$$b6$$uFZJ
000056254 7001_ $$0P:(DE-Juel1)VDB52736$$aVirnich, O.$$b7$$uFZJ
000056254 7001_ $$0P:(DE-Juel1)VDB11021$$aChrist, M. M.$$b8$$uFZJ
000056254 7001_ $$0P:(DE-Juel1)129415$$aUhlig, B.$$b9$$uFZJ
000056254 7001_ $$0P:(DE-Juel1)VDB67231$$aJünger, S.$$b10$$uFZJ
000056254 7001_ $$0P:(DE-Juel1)129402$$aSchurr, U.$$b11$$uFZJ
000056254 773__ $$0PERI:(DE-600)1472194-6$$a10.1111/j.1469-8137.2007.02002.x$$gVol. 174, p. 447 - 455$$p447 - 455$$q174<447 - 455$$tThe @new phytologist$$v174$$x0028-646X$$y2007
000056254 8567_ $$uhttp://dx.doi.org/10.1111/j.1469-8137.2007.02002.x
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