Full TGIF Record # 19381
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Publication Type:
Author(s):Hartman, J. R.; Powell, A. J. Jr.; Clinton, W.
Title:Evaluation of fungicides for prevention of dollar spot of creeping bentgrass, 1988
Source:Kentucky Turfgrass Research. 1988, p. 43-44.
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Series:Progress Report 319
Keywords:TIC Keywords: Agrostis stolonifera; Dollar spot; Chemical control; Fungicide evaluation; Golf greens
Abstract/Contents:1988 study to evaluate several candidate and registered fungicides for dollar spot control on a Penncross creeping bentgrass green near Lexington, KY. The turf was maintained at a 0.25 in. mowing height, received 2 lb N/1000 ft2/yr, and otherwise received conventional maintenance. Each treatment was replicated four times in a randomized complete block design with 5ft x 6ft plots. Treatments were applied using a hand-pumped Solo backpack sprayer with a 6ft, four nozzle boom delivering 2 gal/1000 ft2 and operating at 25 psi. Fungicides were first applied to plots in experiment A on 26 May, and continued on 9, 18 and 23 Jun, and 7 and 21 Jul, depending on the application interval desired. Experiment B treatments were begun 2 Jun, and continued for the spray interval desired on 16 and 30 Jun, and 14 and 29 Jul. Curative treatments in experiment B were begun 14 Jul. Plots were evaluated 28 Jul (A) and 8 Aug (B) by counting the number of dollar spot infection centers per plot. Fungicides, application rates, and number of dollar spot infection centers/30ft2 are provided in a table. Dollar spot first appeared in early Jul and developed to high levels by the end of the month. All fungicides except Rizolex and Flutolanil were effective in controlling dollar spot.
See Also:See also 1984 report, R=8160. R=8160

See also 1985 report, R=8289. R=8289

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

See also 1987 report, R=19381. R=19381
Geographic Terms:Kentucky
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hartman, J. R., A. J. Jr. Powell, and W. Clinton. 1988. Evaluation of fungicides for prevention of dollar spot of creeping bentgrass, 1988. KY. Turfgrass Res. p. 43-44.
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MSU catalog number: SB 433 .A1 K4
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