Full TGIF Record # 250011
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Web URL(s):https://scisoc.confex.com/crops/2014am/webprogram/Paper87858.html
    Last checked: 10/24/2014
Publication Type:
Content Type:Abstract or Summary only
Author(s):Woosley, Paul; McKeith, Amanda; Munshaw, Gregg C.
Author Affiliation:Woosley and McKeith: Western Kentucky University, Bowling Green; Munshaw: University of Kentucky, Lexington, KY
Title:Utilization of a portable spectrophotometer for evaluating and nitrogen rate effects on hybrid bermudagrass turf
Section:C05 Turfgrass Science
Other records with the "C05 Turfgrass Science" Section

Stress tolerance, diseases, cultural practices, and environment
Other records with the "Stress tolerance, diseases, cultural practices, and environment" Section
Meeting Info.:Long Beach, California: November 2-5, 2014
Source:ASA, CSSA and SSSA Annual Meetings [2014]. 2014, p. 87858.
Publishing Information:[Milwaukee, Wisconsin]: [American Society of Agronomy]
# of Pages:1
Keywords:TIC Keywords: Color evaluation; Cultivar evaluation; Establishment rate; Hybrid bermudagrasses; Nitrogen; Seeding rate; Spectrophotometry; Sprigging; Traffic simulation
Cultivar Names:Tifway 419; Riviera; Latitude 36
Abstract/Contents:"A studied was initiated in the summer of 2013 to evaluate seeding/sprigging, nitrogen, and traffic rates on establishment and survivability of hybrid bermudagrass (Cynodon dactylon [L.] Pers. var. dactylon x C. transvaalensis Burtt-Davy) established late. The study was replicated in two different locations, Lexington and Bowling Green, KY. Three bermudagrass cultivars were utilized; 'Tifway 419', 'Riviera', and 'Latitude 36'. Riviera seeding rates consisted of 11.8, 23.6, and 47.2 g/m2. Tifway 419 and Latitude 36 sprigging rates were 34.6, 69.2, and 138.4 m3/ha. Nitrogen was applied weekly at rates of 12.2, 24.4, and 48.8 kg/ha for a total of seven applications. Plots were seeded/sprigged on 7/15/2013. Traffic treatments were applied utilizing a Cady traffic simulator which included one and three events per week. Traffic treatments began on 9/2/2013 and continued through 11/1/2013. Percent bermudagrass cover, percent turfgrass disturbance, bermudagrass color, and turf quality were visually rated. In addition, turf was analyzed by a HunterLab miniscan EZ colorimeter. Spectra included an L* range (light to dark), A* range (red to green), and a B* range (yellow to blue). Colorimeter data showed significant differences among main effects. Latitude 36 and Riviera possessed significantly lower L* (darker) values compared to Tifway 419. Latitude 36 also showed lower A* (greener) values than Riviera and Tifway 419. The low nitrogen rate possessed higher L* (lighter) values than the medium and high nitrogen rates. In addition, a significant difference in B* (blue) values was observed among all nitrogen treatments. Finally, L*, A*, and B* values were significantly different between high and low traffic treatments. Results were similar to the visual observations. These results, along with the portability and ease of use of the HunterLab miniscan EZ colorimeter, indicate that a portable spectrophotometer can be a helpful instrument in turfgrass field research."
Note:This item is an abstract only!
"Poster Number 613"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Woosley, P., A. McKeith, and G. C. Munshaw. 2014. Utilization of a portable spectrophotometer for evaluating and nitrogen rate effects on hybrid bermudagrass turf. Agron. Abr. p. 87858.
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    Last checked: 10/24/2014
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