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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 fairways with fungicides, 1998 |
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| Source: | Fungicide and Nematicide Tests. Vol. 54, 1999, p. 512. |
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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: Poa pratensis; Microdochium patch; Microdochium nivale; Typhula blight; Typhula; Disease control; Snow molds; Fungicide evaluation; Golf fairways; Application rates; Quality; Tank mix; Disease severity
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| Abstract/Contents: | "Trials were conducted on Kentucky bluegrass golf course fairways at Pullman, WA and Whitefish, MT. The soil at Pullman is a Palouse silt loam (pH 6.2), while the soil at Whitefish, MT is a Whitefish cobbly silt loam (pH 5.5 to 5.8). The annual precipitation was 19 in. and 20 in. at Whitefish and Pullman, respectively. Individual treatment plots were 10 ft x 10 ft with four replications in a randomized complete-block design. Treatments were applied on 28 Oct 97 and 4 Dec 97 at Whitefish and Pullman, respectively, with a CO₂-pressurized (40 psi) boom sprayer with XR11004VS fan-flat TeeJet nozzles, at 49 gal H₂O/A carrier rate. The plot received no supplemental inoculum. Snow covered the plots from mid Nov 97 through mid Mar 98 at Whitefish and 18 Dec 97 through 20 Jan 98 at Pullman. The plots were rated for disease severity and turf quality on 9 Feb 98 at Pullman and 6 Apr 98 at Whitefish. Fusarium patch was the predominant disease at Pullman, essentially 100%; while, a ratio of approximately 25% Typhula: 75% M. nivale occurred in the non-treated controls at Whitefish. The percentage of area infected was used to assess disease severity. At Pullman, where disease severity was minimal, all fungicide treatments gave better disease control than non-treated control. At Whitefish, Medallion 50W 0.5 oz, Medallion 50W 0.5oz + Daconil Ultrex 82.5W 5 oz, Chipco 26GT 2SC 4 fl oz, FL971556 9.6MEC 6 fl oz, and FL971557 11.7MEC 6 fl oz gave the best disease control. Fungicide treatments maintained turf quality with the exception of FL971556 9.6MEC 6 fl oz and FL961557 11.7MEC 6 fl oz at Pullman. At Whitefish, fungicides improved turf quality with the exception of Daconil Ultrex 82.5W 5 oz." |
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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 fairways with fungicides, 1998. Fungicide Nematicide Tests. 54:p. 512. |
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