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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2007.97.7.S1#page=58
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): | Koch, P. L.;
Jo, Y.;
Jung, G. |
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| Author Affiliation: | Jo and Jung: University of Massachusetts - Amherst, Amherst, Massachusetts; Koch: University of Wisconsin - Madison, Madison, Wisconsin |
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| Title: | Thiophanate-methyl and propiconazole in vitro sensitivity of Sclerotinia homoeocarpa isolates collected from golf course putting greens, fairways, and roughs |
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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. S58-S59. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Thiophanate-methyl; Propiconazole; In vitro; Sclerotinia homoeocarpa; Dollar spot; Fungicide resistance; Golf greens; Golf fairways; Golf rough; Turf Maintenance
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| Abstract/Contents: | "Sclerotinia homoeocarpa, the fungus that causes dollar spot, is the primary disease of golf course turf in the temperate regions of the world. Repeated applications of different fungicides are needed every year for managing dollar spot to an acceptable level, which has led to fungicide resistance. Thiophanate-methyl and propiconazole are two of the most commonly used systemic fungicides for the control of dollar spot, but several reports indicate widespread resistance to S. homoeocarpa to both fungicides. The objective of this study was to determine whether cultural practices used on golf courses and the previous used of fungicides affect the fungicide sensitivity in S. homoeocarpa populations. Approximately 1,400 S. homoeocarpa isolates were collected from putting greens, fairways, and roughs on six Wisconsin golf courses and one Massachusetts golf course varying in age and fungicide usage and subjected to an in vitro fungicide assay. Thiophanate-methyl insensitivity was higher in the S. homoeocarpa populations on fairways than putting greens, regardless of course age or fungicide history. Greater levels of propiconazole insensitivity were found at golf courses and putting greens with the most intensive history of propiconazole usage. Isolates sampled from roughs on 5 of the 7 golf courses had no statistical difference in the sensitivity to both fungicides. These results suggest that management practices on golf course turf may affect the fungicide sensitivity in S. homoeocarpa populations." |
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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):
Koch, P. L., Y. Jo, and G. Jung. 2007. Thiophanate-methyl and propiconazole in vitro sensitivity of Sclerotinia homoeocarpa isolates collected from golf course putting greens, fairways, and roughs. Phytopathology. 97(7):p. S58-S59. |
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| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2007.97.7.S1#page=58
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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