Full TGIF Record # 119742
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Web URL(s):http://archive.lib.msu.edu/tic/ressum/2006/32.pdf
    Last checked: 01/23/2017
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Publication Type:
Author(s):Morris, Kevin
Author Affiliation:National Turfgrass Evaluation Program
Title:National Turfgrass Evaluation Program (NTEP) testing of cultivars and experimental selections
Section:Breeding, genetics, and physiology
Other records with the "Breeding, genetics, and physiology" Section
Source:2006 Turfgrass and Environmental Research Summary. 2006, p. 32.
# of Pages:1
Publishing Information:Far Hills, NJ: United States Golf Association
Keywords:TIC Keywords: National Turfgrass Evaluation Program; Cultivar evaluation; Poa pratensis; Image analysis; AMMI
See Also:Other Reports from this USGA research project: 1999-02-162
Note:Pictures, color
USGA Summary Points:In the first two years of data from six Kentucky bluegrass trial locations, a new statistical analysis procedure, 'AMMI', was found to more accurately predict top-performing grasses than the standard statistical procedure 'ANOVA'. These results may help users of turfgrass data to better identify the best grasses. A study at the University of Illinois showed that two hand-held color meters accurately measured color and correlated well with human evaluations. A multispectral imaging system was less accurate in assessing turf color, was difficult to calibrate for density, texture, and quality ratings, and was slower to operate. Considering the additional time needed to collect ratings, the multispectral imaging system is not recommended to replace human visual evaluations at this time. Researchers at the University of Arkansas used a digital camera system and software to collect and analyze turfgrass data. Data on various characteristics, such as color and percent ground cover, are statistically repeatable using digital image analysis and correlate well with human evaluations (visual ratings). Turfgrass quality ratings computed from digital image analysis had a weaker correlation with human evaluations, although the digital quality ratings were more repeatable (consistent).
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Morris, K. 2006. National Turfgrass Evaluation Program (NTEP) testing of cultivars and experimental selections. Turfgrass Environ. Res. Summ. p. 32.
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    Last checked: 01/23/2017
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MSU catalog number: SB 433 .A1 A6
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