Using a gestalt to measure the quality of in vitro responses
Identifieur interne : 002423 ( Main/Curation ); précédent : 002422; suivant : 002424Using a gestalt to measure the quality of in vitro responses
Auteurs : Randall P. Niedz [États-Unis] ; Scott E. Hyndman [États-Unis] ; Terence J. Evens [États-Unis]Source :
- Scientia horticulturae [ 0304-4238 ] ; 2007.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Horticulture.
English descriptors
Abstract
Overall "quality" of in vitro responses can sometimes be difficult to assess using measured response variables (e.g., shoot number and height, and callus fresh weight). Gestalt Theory is the idea that the whole is perceived to be greater than the sum of the individual parts. To determine if a gestalt assessment could be used to assess quality of in vitro responses two plant tissue culture systems were examined-Brugmansia x candida shoot multiplication and sweet orange nonembryogenic callus growth. The gestalt assessment of each system was compared to measured responses-shoot number, leaf length and width for Brugmansia x candida, and fresh weight accumulation for citrus. The gestalt analysis modeled as precisely as the measured response variables for both in vitro systems while satisfying the statistical assumptions necessary for a valid analysis. We concluded that the gestalt response is a valid response as it was indistinguishable, in terms of statistical quality, from the measured responses.
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Pascal:07-0205833Le document en format XML
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<front><div type="abstract" xml:lang="en">Overall "quality" of in vitro responses can sometimes be difficult to assess using measured response variables (e.g., shoot number and height, and callus fresh weight). Gestalt Theory is the idea that the whole is perceived to be greater than the sum of the individual parts. To determine if a gestalt assessment could be used to assess quality of in vitro responses two plant tissue culture systems were examined-Brugmansia x candida shoot multiplication and sweet orange nonembryogenic callus growth. The gestalt assessment of each system was compared to measured responses-shoot number, leaf length and width for Brugmansia x candida, and fresh weight accumulation for citrus. The gestalt analysis modeled as precisely as the measured response variables for both in vitro systems while satisfying the statistical assumptions necessary for a valid analysis. We concluded that the gestalt response is a valid response as it was indistinguishable, in terms of statistical quality, from the measured responses.</div>
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