Full TGIF Record # 214108
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Web URL(s):https://archive.lib.msu.edu/tic/gcman/article/2012dec74.pdf
    Last checked: 01/10/2013
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Author(s):Miller, Gerald L.; Soika, Michael D.; Tredway, Lane P.
Author Affiliation:Miller: Former Graduate Student; Tredway: Former Associate Professor; Soika: Laboratory Research Specialist, Department of Plant Pathology, North Carolina State University, Raleigh, N. C.
Title:Preventive fairy ring control on putting greens: Several DMI fungicides can be effective for preventive control of fairy ring on creeping bentrass greens
Other records with the "Research" Section
Source:Golf Course Management. Vol. 80, No. 12, December 2012, p. 74-76, 78, 80, 82.
Publishing Information:Lawrence, Kansas: GCSAA Communications Inc.
# of Pages:6
Keywords:TIC Keywords: Agrostis stolonifera; Azoxystrobin; Crinipellis oreades; Cultivar evaluation; DMI fungicides; Fairy rings; Flutolanil; Fungicide application; Irrigation rates; Pyraclostrobin; Temperatures; Tests
Trade Names:Prostar; Heritage; Insignia
Abstract/Contents:Discusses the 3 different types of fairy ring disease and the problems associated with curative fungicide applications, and that little research has been done into preventative control of fairy ring disease. States that the purpose of the research was to evaluate various application strategies for DeMethylation Inhibitor (DMI) fungicides, specifically to "evaluate the impact of single preventive application, timing and fungicide rate on fairy ring control, and to investigate the influence of irrigation timing and soil-surfactant tank mixtures on preventive fungicide performance." Details the methods and materials used in two experiments. States the in the first experiment, treatments were applied to different plots of infected turf when five-day average soil temperatures were 50, 55, 60, 65, 70, or 75 degrees Fahrenheit, along with a high or low rate of Bayleton and tebuconazole. States that in the second experiment, fungicide treatments consisted of two applications of a low rate of triadimefon and triticonazole, and included hand watering with 1/4 inch of water closely following the fungicide application. Reports that from experiment 1 the high rates of fungicide applied lowered the severity of infection, and that rates of infection were slightly lower with the low rate of application as well as applications that took place at 55 and 60 degree soil temperatures, but these were not statistically different from control values. Concludes from experiment 2 that plots treated with two low rate applications had the lowest levels of area under the disease progress curve (AUDPC), and that the onset of symptoms in a following year was significantly delayed, as well as the fact that irrigation timing did not affect the efficacy of fungicide applications.
See Also:Original report appears in Plant Disease, 96(7) July 2012, p. 1001-1007, R=209914. R=209914
Note:Pictures, color
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Miller, G. L., M. D. Soika, and L. P. Tredway. 2012. Preventive fairy ring control on putting greens: Several DMI fungicides can be effective for preventive control of fairy ring on creeping bentrass greens. Golf Course Manage. 80(12):p. 74-76, 78, 80, 82.
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    Last checked: 01/10/2013
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