Full TGIF Record # 55514
Item 1 of 1
Publication Type:
i
Report
Author(s):Sitton, J. W.; Johnston, W. J.; Golob, C. T.; Waldher, J. T.
Author Affiliation:Department of Crop and Soil Sciences, Washington State University, Pullman, WA
Title:Control of fusarium patch (pink snow mold) and typhula blight (gray snow mold) on golf course greens with fungicides, 1997
Source:Fungicide and Nematicide Tests. Vol. 53, 1998, p. 445.
Publishing Information:St. Paul, MN: American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Agrostis stolonifera; Microdochium nivale; Typhula; Disease control; Golf greens; Fungicides; Quintozene; Chlorothalonil; Propiconazole; Experimental products; Tank mix; Application rates
Abstract/Contents:"Control of fusarium patch (pink snow mold) and typhula blight (gray snow mold) on golf course greens with fungicides, 1997: Trials were conducted on golf greens at Pullman, WA and Whitefish, MT. The sand-based golf greens were constructed at Pullman on a Palouse silt loam and at Whitefish on a Whitefish cobbly silt loam and had been topdressed with sand by the golf course superintendents for several years. Plots were fertilized monthly during the growing season (annual total of 7 lb N/1000 ft²-as 26-3-12) at Pullman and Whitefish. The pH was 7.5 and 5.8 at Pullman and Whitfish, respectively. Annual precipitation was 18.7 in. at Pullman and 20.2 in. at Whitefish. Individual treatment plots were 10 ft x 10 ft with three replications at Pullman and four replications at Whitefish in a randomized complete-block design. Treatments were applied on 30Oct 96 at Whitefish and 26 Nov 96 at Pullman with a CO^D{@-pressurized boom sprayer with XR11002VS flat-fan TeeJet nozzles using a 49 gal H₂O/A carrier rate. Conidia of Microdochium nivale were sprayed on the plot at Pullman at a rate of 5.6 x 10⁵ conidia per treatment plot (10 ft x 10 ft) on 11 Nov 96; the plot at Whitefish received no supplemental inoculum. Deep snow covered the plots from 3 Nov 96 through 15 Apr 97 at Whitefish and mid-Dec 1996 through mid-Feb 1997 at Pullman. Individual plots were evaluated for disease severity and turf quality on 24 Mar 97 at Pullman and 24 Apr 97 at Whitefish. Fusarium patch and Typhula blight were severe at both sites. Fusarium patch was the predominant disease at Pullman; while, a ratio of approximately 75% Fusarium patch:25% Typhula blight occurred in the non-treated controls at Whitefish. Disease index was measured by the number of colonies (Pullman) or percentage of surface area of turf covered (Whitefish). All fungicides gave effective control of M. nivale and Typhula sp. BEst, but not significantly different, Fusarium patch and Typhula blight control was observed with Banner MAXX 14.3MEC 3 fl oz + Daconil 2787 75W 8 oz and CGA BMP 46.5WP 2 oz. Fungicide treatments improved turf quality."
Language:English
References:0
See Also:Other items relating to: P C N B - Quintozene
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sitton, J. W., W. J. Johnston, C. T. Golob, and J. T. Waldher. 1998. Control of fusarium patch (pink snow mold) and typhula blight (gray snow mold) on golf course greens with fungicides, 1997. Fungicide Nematicide Tests. 53:p. 445.
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