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

Indian Agricultural Research Journals

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Title Comparing digital image analysis and visual rating of gamma ray induced Kentucky bluegrass (Poa pratensis) mutants
 
Creator TIWARI, AJAI KUMAR
KUMAR, RAMESH
KUMAR, GUNJEET
KADAM, GANESH B
SAHA, T N
S, GIRISH K
 
Subject Dark green color index, Dark image analysis, Digital image analysis, Poa pratensis
 
Description 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).
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2015-08-07
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/50835
 
Source The Indian Journal of Agricultural Sciences; Vol 85, No 8 (2015)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/50835/21631
 
Rights Copyright (c) 2015 The Indian Journal of Agricultural Sciences