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| Web URL(s): | https://archive.lib.msu.edu/tic/its/articles/2001jou665.pdf
Last checked: 08/05/2010
Requires: PDF Reader |
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| Publication Type:
| Refereed |
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| Author(s): | Golembiewski, R. C.;
Danneberger, T. K.;
Sweeney, P. M. |
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| Author Affiliation: | Department of Horticulture and Crop Science, The Ohio State University, Columbus, OH |
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| Title: | Lack of dollar spot (Sclerotinia homoeocarpa F.T. Bennet) influence on changing the cultivar composition of a stand of creeping bentgrass |
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| Section: | Turfgrass diseases
Other records with the "Turfgrass diseases" Section
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| Meeting Info.: | Toronto, Ontario, Canada: July 2001 |
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| Source: | International Turfgrass Society Research Journal. Vol. 9, No. Part 2, 2001, p. 665-668. |
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| Publishing Information: | Oakville, Ontario, Canada: International Turfgrass Society |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Dollar spot; Sclerotinia homoeocarpa; Cultivar susceptibility; Seed mixtures; Agrostis stolonifera; Disease resistance; Golf fairways; Random amplified polymorphic DNA markers; Chlorothalonil; Blends
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| Cultivar Names: | Crenshaw; Penncross |
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| Abstract/Contents: | "Seeding creeping bentgrass (Agrostis palustris Huds.) blends has become a common turfgrass management practice on golf course fairways. Blending two or more cultivars with different degrees of resistance to a disease could create a situation where one of the cultivars is favored. This could result in a shift of the proportion of each cultivar in the fairway away from the original proportions. RAPD markers were used to evaluate the influence of dollar spot on competition between two creeping bentgrass cultivars. Plots were seeded on Sept. 1994 with a 50:50 (wt:wt) blend of `Crenshaw' and `Penncross' creeping bentgrass. Natural epidemics of dollar spot occurred in the plots over two years. Chlorothalonil was applied to stop dollar spot epidemics in two treatments when the disease reached 25%, and 90%, respectively. A disease free control (0%) was maintained through preventatitve applications of chlorothalonil. Frequencies of RAPD markers in samples of individual plants taken in the fall of 1995 and 1996 showed no significant difference (P=0.05) in the composition of the blend regardless of disease treatment. Results suggest that cultivars seeded in a blend remain at approximately the same proportion as originally seeded even when dollar spot might be expected to injure one cultivar more than the other." |
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| Language: | English |
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| References: | 8 |
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| Note: | Pictures, b/w
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Golembiewski, R. C., T. K. Danneberger, and P. M. Sweeney. 2001. Lack of dollar spot (Sclerotinia homoeocarpa F.T. Bennet) influence on changing the cultivar composition of a stand of creeping bentgrass. Int. Turfgrass Soc. Res. J. 9(Part 2):p. 665-668. |
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https://archive.lib.msu.edu/tic/its/articles/2001jou665.pdf
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MSU catalog number: SB 433 .I52 v. 9 |
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