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| Publication Type:
| Report |
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| Author(s): | Sitton, J. W.;
Johnston, W. J.;
Golob, C. T.;
Waldher, J. T. |
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| Author Affiliation: | Department of Crop and Soil Sciences, Washington State University, Pullman, WA |
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| Title: | Control of fusarium patch (pink snow mold) and typhula blight (gray snow mold) on golf course greens with fungicides, 1998 |
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| Source: | Fungicide and Nematicide Tests. Vol. 54, 1999, p. 498. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Microdochium patch; Microdochium nivale; Typhula blight; Typhula; Snow molds; Disease control; Fungicide evaluation; Golf greens; Quality; Disease severity; Application rates; Tank mix
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| Abstract/Contents: | "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 Whitefish, respectively. Annual precipitation was 19 in. at Pullman and 20 in. at Whitefish. Individual treatment plots were 10 ft x 10 ft at Pullman and 10 ft x 5 ft at Whitefish with four replications in a randomized complete-block design. Treatments were applied on 28 Oct 97 at Whitefish and 4 Dec 97 at Pullman with a CO₂-pressurized (40 psi) boom sprayer with XR11004VS flat-fan TeeJet nozzles using a 49 gal H²O/A carrier rate. Snow covered the plots from mid Nov 97 through mid Mar 98 at Whitefish and 18 Dec 97 through 20 Jan 98 at Pullman. Individual plots were evaluated for disease severity and turf quality on 9 Feb 98 at Pullman and 6 Apr 98 at Whitefish. Fusarium patch was the predominant disease, essentially 100%, 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). At Pullman, where disease was essentially all Fusarium patch, all fungicides gave disease control better than the non-treated control. At Whitefish, Medallion 50WP 0.5 oz and Chipco 26GT 2SC 4 fl oz, used alone, gave disease control greater than the non-treated plots but less than the other treatments. Fungicide treatments improved turf quality at Pullman; however, at Whitefish, Medallion 50WP 0.5 oz and Chipco 26GT 2SC 4 fl oz treated plots had turfgrass quality similar to the non-treated control." |
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| Language: | English |
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| References: | 0 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sitton, J. W., W. J. Johnston, C. T. Golob, and J. T. Waldher. 1999. Control of fusarium patch (pink snow mold) and typhula blight (gray snow mold) on golf course greens with fungicides, 1998. Fungicide Nematicide Tests. 54:p. 498. |
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