Full TGIF Record # 124046
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Web URL(s):https://www.plantmanagementnetwork.org/pub/trial/fntests/reports/2006/T003.pdf
    Last checked: 11/14/2016
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Publication Type:
i
Report
Author(s):Mitkowski, N. A.; Boesch, B.
Author Affiliation:Department of Plant Sciences, University of Rhode Island, Kingston, Rhode Island
Title:Efficacy of fungicides for control of dollar spot on creeping bentgrass, 2005
Section:Turfgrass
Other records with the "Turfgrass" Section
Source:F&N Tests. Vol. 61, 2006, p. T003.
Publishing Information:St. Paul, MN: American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Agrostis stolonifera; Dollar spot; Fungicide trials; Disease control; Application rates
Cultivar Names:Penncross; Penneagle
Abstract/Contents:"Tests were conducted on a Bridgehampton silt loam located at the Skogley Memorial Turfgrass Research Facility at the University of Rhode Island. The turf was maintained at a 0.13-in. mowing height, irrigated as needed and a total of 4 lbs nitrogen was applied in four separate applications throughout the course of the season as a slow release formulation. Plots measured 5 ft x 5 ft with no borders, and were arranged in a randomized complete block design with three replicates on an original mixture of 83% 'Penncross' and 17% 'Penneagle' creeping bentgrass with minimal Poa annua invasion. Fungicides were applied using a CO2-pressurized hand held sprayer fitted with TeeJet 8004VS Visiflow flat fan nozzles delivering 3.2 gal/1000 sq ft at 40 psi. All treatments were first applied on 16 Jun when dollar spot started to appear. One Emerald, one Propiconazole Pro and one 18 Plus treatment were applied approximately every 21 days following 16 Jun (7 and 28 Jul). All Bayleton treatments, one Emerald treatment and one Spectator treatment were applied approximately every 28 days, following 16 Jun (14 Jun and 11 Aug). All other sprays were made on approximately a 14-day interval (30 Jun, 14 and 28 Jul, 11 Aug). A Hand-scattered application of S. homoeocarpa was made to each plot on 30 Jun with approximately 75 g per plot of 8-wk-old colonized rye. Although artificial inoculation at this site typically yields high levels of disease incidence, the summer of 2005 was extremely dry and warm and disease activity was significantly impeded by climatic conditions. Under the level of disease pressure observed, all of the chemicals employed in this study provided effective dollar spot control, at a disease threshold of approximately 1.0%, with the exception of the lowest Bayleton rates, Heritage TL and Spectator at 28 days on the first rating. All products produced satisfactory results on later rating dates. No fungicide resistance was observed."
Language:English
References:0
Note:Reprint appears in Rhode Island Turfgrass Field Day 2006, 2006, p. [29]
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Mitkowski, N. A., and B. Boesch. 2006. Efficacy of fungicides for control of dollar spot on creeping bentgrass, 2005. F&N Tests. 61:p. T003.
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https://www.plantmanagementnetwork.org/pub/trial/fntests/reports/2006/T003.pdf
    Last checked: 11/14/2016
    Requires: PDF Reader
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MSU catalog number: SB 951.3 .F82
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