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Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/fntests/reports/2000/55-506.pdf Last checked: 05/03/2017 Requires: PDF Reader |
Publication Type:
| Report |
Author(s): | Vincelli, P.;
Dixon, E.;
Williams, D. |
Author Affiliation: | Vincelli and Dixon: Department of Plant Pathology; and Williams: Department of Agronomy, University of Kentucky, Lexington, Kentucky |
Title: | Efficacy of fungicides for control of dollar spot of creeping bentgrass, 1999 |
Section: | Turf grass reports Other records with the "Turf grass reports" Section
|
Source: | Fungicide and Nematicide Tests. Vol. 55, 2000, p. 506-507. |
Publishing Information: | St. Paul, MN: American Phytopathological Society |
# of Pages: | 2 |
Keywords: | TIC Keywords: Application rates; Disease severity; Agrostis stolonifera; Dollar spot; Sclerotinia homoeocarpa; Golf greens; Environmental factors; Fungicides; Fungicide evaluation; Fungicide combinations; Disease control
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Cultivar Names: | Penncross |
Abstract/Contents: | "The test was conducted on a Maury silt loam located at the University of Kentucky Turf Center near Lexington. The turf was maintained at 0.19 in. mowing height, irrigated as needed, and fertilized with 1 lb N as 22-0-16 Scott's Fertilizer on 3 Nov 98. Plots measured 4 ft X 4 ft with 2 ft borders, and were arranged in a randomized complete block design with three replications. Fungicide sprays were applied using a COā-pressurized hand-held sprayer fitted with Spray Systems 8003E flat-fan nozzles delivering 2.5 gal/1000 sq ft. All treatmetns were first applied on 26 May when the disease was the first noticed; remaining sprays were applied according to the schedules indicated in the table. Visual counting of spots affected by dollar spot were obtained weekly. Transformed data (logāā) were analyzed using ANOVA and Waller-Duncan k-ratio t-test, (k=100, P=0.05). Weather was generally favorable for dollar spot activity from mid-May through early July, so favorable that the disease was well established by the first spray on 26 May. The transformation of the raw data was accomplished by using a logāā; previous analyses have shown that this helps equalize treatment variances, and consequently more statistical separation is evident between treatments that were effective in controlling dollar spot. Most of the fungicides used in this experiment reduced dollar spot incidence, but Companion and the mixture of Prograss herbicide and Heritage 50WG were not effective treatments. Trying to increase the interval between sprays, with or without increasing the rate, was not an effective strategy when using TM-41702 40WP or Eagle 40WSP." |
Language: | English |
References: | 0 |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Vincelli, P., E. Dixon, and D. Williams. 2000. Efficacy of fungicides for control of dollar spot of creeping bentgrass, 1999. Fungicide Nematicide Tests. 55:p. 506-507. |
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| Web URL(s): https://www.plantmanagementnetwork.org/pub/trial/fntests/reports/2000/55-506.pdf Last checked: 05/03/2017 Requires: PDF Reader |
| MSU catalog number: SB 951.3 .F82 |
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