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Comparing digital image analysis and visual rating of gamma ray induced Kentucky bluegrass (Poa pratensis) mutants

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Title Comparing digital image analysis and visual rating of gamma ray induced Kentucky bluegrass (Poa pratensis) mutants
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Creator Ajai Kumar Tiwari, Ramesh Kumar, Gunjeet Kumar, Ganesh B. Kadam, T.N. Saha, Girish K.S.
 
Subject Dark green color index, Dark image analysis, Digital image analysis, Poa pratensis
 
Description Not Available
Variability was generated in Kentucky bluegrass (Poa pratensis) through gamma-ray irradiation and genotypes
were evaluated for their response to low management, induction of dwarfness and other quality attributes. The main
objective of this study was to judge the suitability of digital image analysis over visual rating of turf quality and to
identify changes in mutants, and correlations among visual rating and digital image analysis were computed. Differences
were significant among mutants with respect to hue, brightness and saturation. Significant and positive correlations
of hue and DGCI were observed with all the parameters of visual rating. There were non-significant correlations of
brightness with quality, brightness with texture, saturation and texture. These relationships were better in DGCI and
color (r2=0.123) DGCI and brightness (r2=0.0849); DGCI and hue (r2=0.0772) and DGCI texture (r2=0.0325). Nonlinear
relationship was noticed between DGCI and saturation (r2=0.0011).
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Date 2018-11-10T18:05:50Z
2018-11-10T18:05:50Z
2015-08-01
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/10182
 
Language English
 
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Publisher Not Available