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| Web URL(s): | http://www.apsnet.org/publications/phytopathology/backissues/Documents/1993Articles/phyto83n12_1331.pdf#page=41
Last checked: 10/16/2015
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): | Golembiewski, R. C.;
Vargas, J. M. Jr.;
Jones, A. L.;
Detweiler, A. R. |
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| Author Affiliation: | Dept. of Bot. & Plant Path., Mich. State Univ. |
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| Title: | Resistance of Sclerotinia homeocarpa to demethylation inhibitor fungicides |
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| Source: | Phytopathology. Vol. 83, No. 12, December 1993, p. 1371. |
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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: Sclerotinia homoeocarpa; Fungicide resistance; DMI resistance
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| Abstract/Contents: | "Fifty isolates of Sclerotinia homeocarpa were collected from golf courses 1-3 where DMI fungicides had been reported to give little or no control, and from golf courses 4-6 where DMI fungicides had never been used. The mean ED50 values based on radia mycelial growth were 0.95, 4.53, 4.67, 0.13, 0.09 and 0.14 [Mu]g triadimefon/ml for courses 1-6, respectively. The same trends in mean ED50 values were also observed for fenarimol and propiconazol. ED50 values for isolates from golf courses 1-3 were 10-42X higher than isolates from golf courses 4-6. Isolates with ED50 values for triadimefon also had high ED50 values fenarimol and propiconazol. The range of ED50 values for course 2 did not overlap those for courses 4-6, while isolates from courses 1 and 3 had either high or low ED50 values. Applied label rates of the DMI fungicides failed to control dollar spot on golf course 2. The significant difference in mean ED50 values between courses 1-3 and courses 4-6 and the failure of several DMI fungicides to control dollar spot on course 2, indicates that resistance of S. homeocarpa to DMI fungicides has developed on some golf courses." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Other items relating to: DOLLAR |
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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):
Golembiewski, R. C., J. M. Jr. Vargas, A. L. Jones, and A. R. Detweiler. 1993. Resistance of Sclerotinia homeocarpa to demethylation inhibitor fungicides. Phytopathology. 83(12):p. 1371. |
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| Web URL(s):
http://www.apsnet.org/publications/phytopathology/backissues/Documents/1993Articles/phyto83n12_1331.pdf#page=41
Last checked: 10/16/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 599 .P48 |
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