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DOI: | 10.1094/PDIS-94-5-0596 |
Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PDIS-94-5-0596 Last checked: 05/17/2010 Requires: PDF Reader http://apsjournals.apsnet.org/doi/pdfplus/10.1094/PDIS-94-5-0596 Last checked: 05/17/2010 Requires: PDF Reader |
Publication Type:
| Refereed |
Author(s): | Pigati, R. L.;
Dernoeden, P. H.;
Grybauskas, A. P.;
Momen, B. |
Author Affiliation: | Pigati, Dernoeden and Grybauskas: Department of Plant Science and Landscape Architecture; Momen: Department of Environmental Science and Technology, University of Maryland, College Park |
Title: | Simulated rainfall and mowing impact fungicide performance when targeting dollar spot in creeping bentgrass |
Section: | Research Other records with the "Research" Section
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Source: | Plant Disease. Vol. 94, No. 5, May 2010, p. 596-603. |
Publishing Information: | St. Paul, MN: American Phytopathological Society |
# of Pages: | 8 |
Related Web URL: | http://apsjournals.apsnet.org/doi/abs/10.1094/PDIS-94-5-0596 Last checked: 05/26/2010 Notes: Abstract only |
Keywords: | TIC Keywords: Agrostis stolonifera; Boscalid; Chlorothalonil; Dollar spot; Fungicide evaluation; Iprodione; Mowing timing; Precipitation; Propiconazole
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Abstract/Contents: | "In this 2-year field study, four chemically diverse fungicides (i.e., chlorothalonil, boscalid, iprodione, and propiconazole) were evaluated for their ability to control dollar spot (Sclerotinia homoeocarpa) in creeping bentgrass (Agrostis stolonifera) as affected by simulated rain and mowing timing. Simulated rain (25 to 32 mm) was imposed about 30 min after fungicide application and was compared to rain-free plots. One set of plots was mowed in the morning when the canopy was wet with dew and compared to plots that were mowed when the canopy was dry in the afternoon. The percent reduction in dollar spot control associated with simulated-rain versus rain-free treatments in 2007 and 2008, respectively, was as follows: chlorothalonil 67 and 83%; propiconazole 42 and 79%; boscalid 48 and 70%; and iprodione 33 and 66%. When disease pressure was low, all fungicides subjected to simulated rain provided effective dollar spot control for 7 or more days following the initial application in each year. Across all fungicide-treated plots over 2 years, the average percent reduction in dollar spot associated with morning mowing ranged from 54 to 65%. The reduction in dollar spot severity in morning-mowed plots improved the performance of all fungicides." |
Language: | English |
References: | 24 |
See Also: | See also related summary "Simulated rainfall and mowing impact fungicides targeting dollar spot", 2008 Turfgrass Pathology and Weed Science Research Summaries, 2008, p. 68 R=147205 R=147205
See also related abstract "Simulated rainfall and mowing impact fungicides targeting dollar spot", 2008 Joint Annual Meeting: Abstracts (GSA/SSSA/ASA/CSSA/GCAGS/HGS, 2008, p. [40249] R=145678 R=145678
See also related abstract "Simulated rainfall and mowing impact fungicide performance when targeting dollar spot in fairway creeping bentgrass", 2007 Turfgrass Pathology and Weed Science Research Summaries, 2007, p. 18-29 R=144585 R=144585 |
Note: | Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Pigati, R. L., P. H. Dernoeden, A. P. Grybauskas, and B. Momen. 2010. Simulated rainfall and mowing impact fungicide performance when targeting dollar spot in creeping bentgrass. Plant Disease. 94(5):p. 596-603. |
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| DOI: 10.1094/PDIS-94-5-0596 |
| Web URL(s): http://apsjournals.apsnet.org/doi/pdf/10.1094/PDIS-94-5-0596 Last checked: 05/17/2010 Requires: PDF Reader http://apsjournals.apsnet.org/doi/pdfplus/10.1094/PDIS-94-5-0596 Last checked: 05/17/2010 Requires: PDF Reader |
| MSU catalog number: b2194824a |
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