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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/PDMR/reports/2011/T025.pdf
Last checked: 11/14/2016
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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: Dept. of Plant Pathology; Williams and Burrus: Dept. of Plant Soil Science, University of Kentucky, Lexington, KY |
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| Title: | Influence of fungicide spray programs on turf quality in a mixed creeping bentgrass/Poa annua soil-based green, 2010 |
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| Section: | Turfgrass
Other records with the "Turfgrass" Section
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| Source: | PDMR: Plant Disease Management Reports. Vol. 5, 2011, p. T025. |
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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; Anthracnose; Colletotrichum graminicola; Fungicide application; Fungicide efficacy; Fungicide evaluation; Poa annua; Rhizoctonia blight; Rhizoctonia solani; 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 18-9-18 at the rate of 1.5 lb N/1,000 sq ft on 6 Oct 09 and 1.0 lb N/1,000 sq ft on 12 Apr 10. 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/1,000 sq ft. Treatments were first applied on 19 May, after dollar spot was first detected, with the remaining treatments applied according to the schedules indicated in the table (final application on 29 Jul). Where tank-mixes were rotated, sprays were applied every two weeks, with each tank-mix being applied once every four or six 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 brown patch, anthracnose, and several abiotic factors. Selected, representative data are provided because of space constraints. The level of infestation by P. annua was visually estimated 4 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 45 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, fairy ring, and turf color and texture. 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. No phytotoxicity or growth regulator effects were noted." |
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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!
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Vincelli, P., E. Dixon, D. Williams, and P. Burrus. 2011. Influence of fungicide spray programs on turf quality in a mixed creeping bentgrass/Poa annua soil-based green, 2010. PDMR: Plant Dis. Manage. Rep. 5:p. T025. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/pub/trial/PDMR/reports/2011/T025.pdf
Last checked: 11/14/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website
Notes: Item is within a single large file |
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