Full TGIF Record # 322579
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DOI:10.2134/cftm2019.03.0018
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Publication Type:
i
Refereed
Author(s):Butler, E. Lee; Galle, Glenn H.; Kerns, James P.
Author Affiliation:Dep. of Entomology and Plant Pathology, North Carolina State Univ., Raleigh, NC
Title:Influence of nitrogen rate and timing, fungicide application method, and simulated rainfall after fungicide application on brown patch severity in tall fescue
Section:Applied turfgrass science
Other records with the "Applied turfgrass science" Section
Source:Crop, Forage and Turfgrass Management. Vol. 5, No. 1, 2019, p. 1-6.
Publishing Information:Madison, Wisconsin: American Society of Agronomy and Crop Science Society of America
# of Pages:6
Abstract/Contents:"In North Carolina, tall fescue (Festuca arundinacea Schreb.) is widely grown throughout the Mountain and Piedmont regions. North Carolina is in the transition zone, which is subject to hot, humid summers that predispose tall fescue to brown patch (Rhizoctonia solani K├╝hn). Field trials were conducted over a 2-year period (2015-2016) to evaluate the effects of nitrogen rate and timing, application method of a fungicide, and rainfall following fungicide application on brown patch severity on lawn height tall fescue. Seven rates of urea providing 0 to 6 lb N 1000 ft-2 year-1 were initiated each year in March with repeat applications monthly at 1 lb N 1000 ft-2. In a separate study, various timings of urea were conducted throughout the year for a total of 3 lb N 1000 ft-2 yr-1. In 2015, no significant differences in disease severity or turfgrass quality were observed among the seven N rates. Only the application of 6 lb N 1000 ft-2 yr-1 resulted in significantly higher brown patch compared with the non-treated control in 2016. No significant differences in disease severity or turfgrass quality were observed in the timing study in both years. Azoxystrobin was applied with a ride-on spreader/sprayer (11 gal water-carrier acre-1), a commercial applicator gun (130 gal water-carrier acre-1), and a research spray boom (88 gal water-carrier acre-1). No differences were detected among application methods. A rainfall event of 0.5 inches was simulated with overhead irrigation 30 min after application of fungicides. No differences were detected among the fungicide treatments, and all provided excellent control of brown patch."
Language:English
References:12
Note:Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Butler, E. L., G. H. Galle, and J. P. Kerns. 2019. Influence of nitrogen rate and timing, fungicide application method, and simulated rainfall after fungicide application on brown patch severity in tall fescue. Crop, Forage and Turfgrass Management. 5(1):p. 1-6.
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DOI: 10.2134/cftm2019.03.0018
Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/10.2134/cftm2019.03.0018
    Last checked: 10/27/2022
    Requires: HTML5
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2134/cftm2019.03.0018
    Last checked: 10/27/2022
    Requires: JavaScript; HTML5
https://acsess.onlinelibrary.wiley.com/doi/pdfdirect/10.2134/cftm2019.03.0018
    Last checked: 10/27/2022
    Requires: PDF Reader
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