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| DOI: | 10.1094/PHYTO-103-9-S3.1 |
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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-103-9-S3.1#page=8
Last checked: 08/26/2013
Requires: PDF Reader
Access conditions: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Peterson, G. |
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| Author Affiliation: | USDA/ARS/Foreign Disease - Weed Science Research Unit, Fort Detrick, MD |
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| Title: | Potential for the Magnaporthe oryzae gray leaf spot turfgrass pathogen to infect wheat in the U.S. |
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| Section: | 2013 North Central Division meeting abstracts
Other records with the "2013 North Central Division meeting abstracts" Section
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| Meeting Info.: | Manhattan, Kansas: June 12-14, 2013 |
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| Source: | Phytopathology. Vol. 103, No. 9S, September 2013, p. S3.8. |
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| Publishing Information: | St. Paul, Minnesota: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Disease specificity; Epidemics; Lolium perenne; Pyricularia grisea; Poaceae; Triticum
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| Abstract/Contents: | "Wheat blast caused by the pathogen Magnaporthe oryzae (Triticum pathotype; Mot), is an emerging fungal disease in South America and is of regulatory concern to the U.S. First reported in Parana, Brazil in 1986, the disease has spread to 90% of Brazil's wheat growing regions as well as Paraguay, Bolivia and most recently, Argentina. In some years, losses of over 30% were reported nationally with some individual fields reporting 10 to 100% loss. In 2011, a single wheat head with blast symptoms was found in a University of Kentucky wheat plot in Princeton, Kentucky. Molecular characterization revealed that this isolate was a local pathotype of M. oryzae that causes grey leaf spot of Lolium perenne (Mol). Previously it has been reported that Mol and Mot pathotypes infect both Triticum spp and Lolium spp when artificially inoculated. This was the first report of Mol infecting wheat under natural conditions in the U.S. Magnaporthe oryzae e is a species complex reported on many gramineous hosts in the family Poaceae, including the genera Oryza, Triticum, Lolium, Fescue, Setaria, Digitaria, Echinochloa and Stenotaphrum. An effort to collect a broad range of M. oryzae isolates from a diverse number of host plants is underway. This collection will be used to determine the pathogenic specificity among M. oryzae isolates and also will be used for developing Mot specific molecular methods to detect and differentiate the pathogen infecting wheat in South America from the endemic forms found on other Poaceae in the U.S." |
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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):
Peterson, G. 2013. Potential for the Magnaporthe oryzae gray leaf spot turfgrass pathogen to infect wheat in the U.S.. Phytopathology. 103(9S):p. S3.8. |
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| DOI: 10.1094/PHYTO-103-9-S3.1 |
| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-103-9-S3.1#page=8
Last checked: 08/26/2013
Requires: PDF Reader
Access conditions: Item is within a single large file |
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MSU catalog number: b2219736a |
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