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| Web URL(s): | http://www.tandfonline.com/doi/pdf/10.1080/07060669209500884
Last checked: 2/23/2018
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| Publication Type:
| Report |
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| Author(s): | O'Gorman, D. T.;
Hsiang, T. |
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| Author Affiliation: | Department of Environmental Biology, University of Guelph, Guelph, Ontario |
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| Title: | Occurrence in Ontario of Leptosphaeria korrae, causal agent of necrotic ring spot of Kentucky bluegrass |
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| Section: | Abstracts/Résumés
Other records with the "Abstracts/Résumés" Section
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| Meeting Info.: | Charlottetown, Prince Edward Island: July 26-29, 1992 |
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| Source: | Canadian Journal of Plant Pathology. Vol. 14, No. 3, 1992, p. 246. |
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| Publishing Information: | [Canada]: Canadian Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Disease evaluation; Disease identification; Genotypes; Growth rate; Isolation technique; Morphology; Necrotic ring spot; Ophiosphaerella korrae; Patch diseases; Poa pratensis; Polymerase chain reaction; Polymorphism
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| Geographic Terms: | Ontario, Canada |
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| Abstract/Contents: | "Leptosphaeria korrae causes necrotic ring spot which is a severe disease of Kentucky bluegrass resulting in rings of dead turfgrass up to 1 metre in size. Results of a survey distributed to members of the turfgrass industry, indicated 74% of the respondents considered NRS as one of the most serious of the patch diseases. To confirm the presence of L. korrae in Ontario, the survey also requested patch disease samples. Fungi were isolated from surface sterilized root pieces obtained from samples of patch disease. Hyphal tips were transferred to potato dextrose agar plates and isolates were tentatively identified as L. korrae on the basis of growth rate and colony morphology. Out of 74 isolates, we have induced sexual fruiting in 21 and have positively identified these as L. korrae based on ascopore morphology. These isolates are being utilized in the polymerase chain reaction to screen random amplified polymorphic DNA (RAPD) primers, for use in distinguishing genotypes on the basis of polymorphisms within the amplified DNA fragment." |
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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):
O'Gorman, D. T., and T. Hsiang. 1992. Occurrence in Ontario of Leptosphaeria korrae, causal agent of necrotic ring spot of Kentucky bluegrass. Can. J. Plant Pathol. 14(3):p. 246. |
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| Web URL(s):
http://www.tandfonline.com/doi/pdf/10.1080/07060669209500884
Last checked: 2/23/2018
Requires: PDF Reader
Access conditions: Item is within a limited-access website
Notes: Item is within a single large file |
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MSU catalog number: b2189612 |
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