Full TGIF Record # 8289
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Publication Type:
Author(s):Hartman, J. R.; Clinton, W.; Powell, A. J. Jr.
Author Affiliation:University of Kentucky
Title:Evaluation of fungicides for prevention of dollar spot of creeping bentgrass-1985
Source:Kentucky Turfgrass Research. 1985, p. 49-50.
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Keywords:TIC Keywords: Dollar spot; Sclerotinia homoeocarpa; Fungicides; Disease control; Fungicide evaluation; Agrostis stolonifera
Abstract/Contents:Fungicide treatments were evaluated for dollar spot prevention on a 'Penncross' creeping bentgrass green, located at the University of Kentucky Spindletop Research Farm near Lexington. The turf was maintained at a 0.25 in. mowing height, received minimum nitrogen fertilization, and otherwise received conventional maintenance. Each treatment was replicated four times in a randomized complete block design with 6 ft X 10 ft plots. Treatments were applied using a hand-pumped Solo backpack sprayer with a 6 ft four nozzle boom delivering 2 gal/1000 ft2 and operating at 25 psi. Application dates for all treatments were 24 May, 7 Jun, 21 Jun, and 9 July 1985, except FMC 4921 which was only applied on 24 May. Plots were evaluated 12 Jul by counting the number of infection centers/plot. No disease symptoms were observed at the start of the test, however, disease pressure was heavy by the time the plots were evaluated. All treatments except CGA 449 had significantly less dollar spot infections than the untreated plots. Four treatments, Banner 1.1E, Bayleton 25 DF, and two rates of (3.0 and 4.5 ounces per 1000 feet squared) Prochloraz 40 EC plus Actidione TGF completely prevented dollar spot disease symptoms. A table provides fungicides, application rates, and results.
See Also:See also 1984 report, R=8160. R=8160

See also 1986 report, R=19451. R=19451

See also 1987 report, R=13691. R=13691

See also 1988 report, R=19381. R=19381
Geographic Terms:Kentucky
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hartman, J. R., W. Clinton, and A. J. Jr. Powell. 1985. Evaluation of fungicides for prevention of dollar spot of creeping bentgrass-1985. KY. Turfgrass Res. p. 49-50.
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MSU catalog number: SB 433 .A1 K4
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