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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2007.97.7.S1#page=53
Last checked: 10/20/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Jo, Y.;
Boehm, M.;
Jung, G. |
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| Author Affiliation: | Jo and Jung: University of Massachusetts, Amherst, Massachusetts; Boehm: The Ohio State University, Columbus, Ohio |
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| Title: | Rapid population shift of Sclerotinia homoeocarpa in response to fungicide applications on turfgrass |
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| Meeting Info.: | APS Annual Meeting, San Diego, California: July 28 - August 1, 2007 |
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| Source: | Phytopathology. Vol. 97, No. 7, July Supplement 2007, p. S53. |
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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: Population dynamics; Sclerotinia homoeocarpa; Fungicide application; Dollar spot; Fungicide resistance; Propiconazole; Thiophanate-methyl
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| Abstract/Contents: | "Dollar spot, caused by Sclerotinia homoeocarpa, is the most economically important disease on intensively-cared-for turfgrass in North America. Development of fungicide resistance in S. homoeocarpa has been a major concern on dollar spot management. For monitoring time-course dynamics of S. homoeocarpa populations in response to fungicide, field plots were established on the creeping bentgrass fairway (1.3-cm mowing height) and putting green (0.3-cm mowing height) at the O.J. Noer Turfgrass Research and Education Facility in Verona, WI. Two systemic fungicides commonly used for dollar spot control (thiophanate-methyl an dpropiconazole) were applied on plots at a 21-day interval. Continuous sampling of S. homoeocarpa isolates on the plots prior to each fungicide application was conducted from June through September in 2006. Approximately 800 isolates were collected in their in vitro fungicide sensitivites to the fungicides were measured. In the case of thiophanate-methyl, resistant isolates quickly become dominant in the population to almost 100% in both both fairway and putting green plots treated with either fungicide at the end of the season. Sensitivity to propiconazole significantly decreased in the S. homoeocarpa populations at the plots treated with either fungicide on the putting green but only at the plots treated with propiconazole on the fairway." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Jo, Y., M. Boehm, and G. Jung. 2007. Rapid population shift of Sclerotinia homoeocarpa in response to fungicide applications on turfgrass. Phytopathology. 97(7):p. S53. |
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| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2007.97.7.S1#page=53
Last checked: 10/20/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2219736a |
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