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| DOI: | 10.1094/PHYTO-102-7-S4.1 |
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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-102-7-S4.1#page=76
Last checked: 08/10/2012
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): | Martínez-Espinoza, A. D.;
Martinez-Uribe, O. A.;
Kim, D. |
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| Author Affiliation: | Martínez-Espinoza: University of Georgia, Griffin; Martinez-Uribe: University of Georgia, Athens; Kim: Georgia State University, Atlanta, GA |
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| Title: | Identification and characterization of tar spot on seashore paspalum in Georgia |
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| Meeting Info.: | Providence, Rhode Island: August 4-8, 2012 |
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| Source: | Phytopathology. Vol. 102, No. 7S, July 2012, p. S4.76. |
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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 evaluation; Disease identification; Genetic characterization; Paspalum vaginatum; Phyllachora paspalicola; Symptoms of pathogen infection; Tar spot
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| Geographic Terms: | Georgia |
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| Abstract/Contents: | "Diseased seashore paspalum (Paspalum vaginatum) turfgrass plants were first observed at a research greenhouse at the University of Georgia-Griffin campus. Symptoms included defined, small, circular to slightly oval black spots or black spots with yellow tissue on the periphery. Some spots coalesced and formed short delineated strips. Symptoms closely resemble those of tar spot described for other turfgrasses. Light and scanning electron microscopy revealed that clypei are oval in shape with a slightly raised center. Clypei erupt through the epidermis of the plant tissue. Masses of ascospores ooze through small ruptures in the clypei. Asci were cylindrical and arranged in a palisade formation with vegetative tissue dispersed throughout the ascocarp. Asci size ranged from 7 to 8 μ width x 48 μ to 51 μ in length. Ascospores surface is smooth, ellipsoidal and many of them have a slightly conical end. Ascospore size ranged from 5.7 to 7 μ in width x 10 to 11 μ in length. Grass clippings were taken from the infected source and inoculated into healthy seashore cultivars. Healthy plants of cvs. SeaIsle 2000, Aloha, Seaisle Supreme and an experimental line were successfully infected with tar spot. Clypei, ascocarp, asci and ascopore morphology and measurements correspond to those described for Phyllachora paspalicola (Syn: Phyllachora vaginata). To our knowledge this is the first report of tar spot on seashore paspalum in Georgia." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Other items relating to: Seashore Paspalum - Since 2000
Other items relating to: Seashore Paspalum - Since 2000 |
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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):
Martínez-Espinoza, A. D., O. A. Martinez-Uribe, and D. Kim. 2012. Identification and characterization of tar spot on seashore paspalum in Georgia. Phytopathology. 102(7S):p. S4.76. |
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| DOI: 10.1094/PHYTO-102-7-S4.1 |
| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-102-7-S4.1#page=76
Last checked: 08/10/2012
Requires: PDF Reader
Notes: Item is within a single large file |
| 
MSU catalog number: b2219736a |
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Digitally in TIC by file name: phytp2012julpres |
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