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| DOI: | 10.1094/PHYTO-103-6-S2.1 |
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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-103-6-S2.1#page=107
Last checked: 06/03/2013
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): | Olsen, M.;
Douhan, G.;
Pagliaccia, D.;
Chitrampalam, P.;
Nischwitz, C.;
Goldberg, N.;
Leinauer, B. |
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| Author Affiliation: | Olsen: University of Arizona, Tucson, AZ; Douhan and Pagliaccia: University of California-Riverside, Riverside, CA; Chitrampalam: North Dakota State University, Fargo, ND; Nischwitz: Utah State University, Logan, UT; Goldberg and Leinauer: New Mexico State University; Las Cruces, NM |
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| Title: | New occurrences of rapid blight (Labyrinthula terrestris) and other labyrinthulids associated with turfgrasses |
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| Section: | 2013 APS-MSA Joint Meeting abstracts of presentations
Other records with the "2013 APS-MSA Joint Meeting abstracts of presentations" Section
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| Meeting Info.: | Austin, Texas: August 10-14, 2013 |
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| Source: | Phytopathology. Vol. 103, No. 6S, June supplement 2013, p. S2.107. |
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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: Genetic diversity; Golf greens; Isolation technique; Labyrinthula terrestris; Phylogenetic analysis; Rapid blight; Salinity stress; Weed identification
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| Abstract/Contents: | "Until the description of Labyrinthula terrestris, Labyrinthulids were believed to be associated only with marine plants. L. terrestris is a terrestrial pathogen that causes rapid blight on cool season turfgrasses in conditions of elevated salinity. Based on a previous study, two distinct pathogenic lineages and two non-pathogenic lineages of Labyrinthula were identified that revealed unexpected species diversity within the terrestrial environment. Surveys were conducted between 2010-2012 in which Labyrinthula spp. were isolated from golf course turfgrasses in AZ, southern CA, NM and El Paso, TX (N ~ 300). Representative isolates were used to conduct pathogenicity tests. Isolates were identified morphologically based on cell and colony morphology and phylogenetically by the analysis of two rDNA loci (partial SSU and ITS/LSU). In contrast to our previous study, three phylogenetically distinct lineages of pathogenic Labyrinthula spp. were detected as well as more nonpathogenic lineages which could also be differentiated from pathogenic isolates based on cell size and colony morphology. The frequent isolation and genetic diversity of Labyrinthula spp. from turfgrasses in this study not only emphasize the threat of rapid blight in new locations but also show a higher than anticipated diversity of Labyrinthulids associated with land plants. Current studies are underway to determine population and phylogeographic structure of the sampled populations." |
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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):
Olsen, M., G. Douhan, D. Pagliaccia, P. Chitrampalam, C. Nischwitz, N. Goldberg, et al. 2013. New occurrences of rapid blight (Labyrinthula terrestris) and other labyrinthulids associated with turfgrasses. Phytopathology. 103(6S):p. S2.107. |
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| DOI: 10.1094/PHYTO-103-6-S2.1 |
| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-103-6-S2.1#page=107
Last checked: 06/03/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2219736a |
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Digitally in TIC by file name: phytp2013junpres |
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