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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T011.pdf
Last checked: 11/11/2016
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| Publication Type:
| Report |
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| Author(s): | Vincelli, P.;
Dixon, E.;
Williams, D.;
Burrus, P. |
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| Author Affiliation: | Vincelli and Dixon: Department of Plant Pathology; Williams and Burrus: Department of Plant and Soil Science, University of Kentucky, Lexington, Kentucky |
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| Title: | Influence of fungicide spray programs on turf quality in a mixed creeping bentgrass/Poa annua soil-based green, 2008 |
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| Section: | rts/2009/T001.pdf
Other records with the "rts/2009/T001.pdf" Section
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| Source: | PDMR: Plant Disease Management Reports. Vol. 3, 2009, p. T011[1]-T011[3]. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 3 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Anthracnose; Application methods; Colletotrichum graminicola; Disease control; Fungicide efficacy; Fungicide evaluation; Fungicide programs; Golf greens; Poa annua; Rhizoctonia blight; Rhizoctonia solani; Spraying practices; Turfgrass quality
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| Cultivar Names: | Penncross |
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| 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 0.188-in. mowing height and fertilized with urea (46-0-0) at the rate of 1.5 lb N/1000 sq ft on 28 Sep 07 and 14 Oct 07. 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 CO2-pressurized hand-held sprayer fitted with Spraying Systems 8003E flat-fan nozzles delivering 1.5 gal/1000 sq ft, with the exception of the Bli-Nix which was applied at 2.0 gal/1000 sq ft. Most treatments were first applied on 7 May, after dollar spot was first detected, with the remaining treatments applied according to the schedules indicated in the table (final application on 14 Aug). Banner MAXX/ Daconil Ultrex treatments were applied only once each to see if they could delay the onset of dollar spot. Where tankmixes were alternated, sprays were applied every two weeks, with each tank-mix being applied once every four weeks. Visual estimates of turf quality were taken on several occasions and included deterioration of leaf color and density as well as developing leaf necrosis from several diseases. Selected, representative data are provided because of space constraints. The level of infestation by P. annua was visually estimated 1 May, when color differences between the two grass species and the presence of P. annua seed heads facilitated discrimination. The amount of P. annua per plot averaged 51.5 percent and did not differ significantly between treatments. Data were analyzed using ANOVA (alpha=0.05) and Waller-Duncan k-ratio t-test (k=100). Weather was moderately favorable for disease development. Factors affecting turf quality in the plots included brown patch, anthracnose, drought stress, and fairy ring. Damage from dollar spot was not included in turf quality assessments. Most of the fungicides and spray programs consistently produced a higher quality turf than the control. The Bli-Nix at 0.5 fl oz applied bi-weekly and Banner MAXX/ Daconil Ultrex treatments applied only once in the spring or early summer, did not enhance turf quality above the control." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is as abstract and tables only!
Reprint appears in Turf Science, University of Kentucky, August 19, 2009, p. [10-12]
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Vincelli, P., E. Dixon, D. Williams, and P. Burrus. 2009. Influence of fungicide spray programs on turf quality in a mixed creeping bentgrass/Poa annua soil-based green, 2008. PDMR: Plant Dis. Manage. Rep. 3:p. T011[1]-T011[3]. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T011.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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