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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2010.100.6.S148#page=5
Last checked: 11/30/2010
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Wong, F. P.;
Chen, C.;
de la Cerda, K. A.;
Douhan, G. W.;
Stowell, L. |
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| Author Affiliation: | Wong, Chen, de la Cerda and Douhan: University of California-Riverside, Riverside, CA; Stowell: PACE Turf LLC, San Diego, CA |
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| Title: | The biology of brown ring patch disease on cool-season turfgrasses |
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| Section: | 2010 APS Annual Meeting abstracts of special session presentations: Diseases of plants
Other records with the "2010 APS Annual Meeting abstracts of special session presentations: Diseases of plants" Section
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| Source: | Phytopathology. Vol. 100, No. 65, June supplement 2010, p. S152. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Brown ring patch; Characteristics; Cool season turfgrasses; Disease identification; Disease profile; Rhizoctonia yellow patch; Symptoms of pathogen infection; Waitea circinata var. circinata
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| Abstract/Contents: | "Brown ring patch is an emergent disease of cool season turfgrass in the U.S. caused by a variety of Waitea circinata [proposed as var. circinata (Wcc)]. The pathogen was described as causing brown ring patch on creeping bentgrass (Agrostis stolonifera) in Japan in 2005. Following outbreaks of yellow rings associated with a Rhizoctonia-like pathogen on annual bluegrass (Poa annua) in the western U.S. in 2003, Wcc was indentified as the causal agent of the disease. The disease was subsequently diagnosed throughout the U.S. on annual bluegrass, on roughstalk bluegrass (P. trivialis) in the southeastern and southwestern U.S., and a few locations in the western U.S. on creeping bentgrass. Characterization of a diverse collection of Wcc using the ribosomal intergenic spacer and beta tubulin sequences differentiate it from other W. circinata anamorphs (Rhizoctonia oryzae and R. zeae) and from Thanatephorous and Ceratobasidium species. Experiments have demonstrated that Wcc is genotypically diverse, insensitive to benzimidazole fungicides, but can be controlled by other Rhizoctonia-active fungicides, especially flutolanil, polyoxin-D and certain demethylation inhibitors (DMIs). Unlike some Rhizoctonia diseases, brown ring patch is less severe on putting greens with higher nitrogen fertility. Understanding these differences between Waitea, Thanatephorous and Ceratobasidium species is critical for their effective management on turfgrass." |
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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):
Wong, F. P., C. Chen, K. A. de la Cerda, G. W. Douhan, and L. Stowell. 2010. The biology of brown ring patch disease on cool-season turfgrasses. Phytopathology. 100(65):p. S152. |
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| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2010.100.6.S148#page=5
Last checked: 11/30/2010
Requires: PDF Reader |
| 
MSU catalog number: b2219736a |
| Find from within TIC:
Digitally in TIC by file name: phytp2010junspecialpres |
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