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| Web URL(s): | https://web.archive.org/web/20131112235232/http://www2.gcsaa.org/GCM/2007/sept/pdfs/rhizoctonia.pdf
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https://archive.lib.msu.edu/tic/gcman/article/2007sep98.pdf
Last checked: 09/30/2008
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| Publication Type:
| Professional |
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| Author(s): | Wong, Frank P.;
Kaminski, John E. |
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| Author Affiliation: | Wong: Assistant Specialist, Cooperative Extension, Department of Plant Pathology and Microbiology, University of California, Riverside, California; Kaminski: Assistant Professor, Department of Plant Sciences, University of Connecticut, Storrs, Connecticut |
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| Title: | A new Rhizoctonia disease of bluegrass putting greens: A new turfgrass disease has been found on annual bluegrass and rough bluegrass |
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| Section: | Research
Other records with the "Research" Section
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| Source: | Golf Course Management. Vol. 75, No. 9, September 2007, p. 98-103. |
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| Publishing Information: | Lawrence, KS: Golf Course Superintendents Association of America |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Rhizoctonia; Poa annua; Poa trivialis; Waitea circinata var. circinata; Fungicide trials; Disease identification; Symptoms; Characteristics; Disease profile; Cultural methods; Application timing
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| Abstract/Contents: | Profiles Waitea circinata var. circinata, a cool-season turfgrass pathogen. States that "it has been found on annual bluegrass (Poa annua) and...rough bluegrass (P. trivialis)." Mentions disease incidence in 2004 and 2005 in California, Oregon, and Washington, stating that "the outbreaks were occuring any time from December to July...In many cases several fungicide applications were needed to supprses disease activity. By 2005, it was clear that something new was emerging." Explains that "a Rhizoctonia-like fungus was repeatedly isolated from these samples. In some cases, R. zeae...was found, but in most cases, it was something different. Characterization of the pathogen revealed two surprises. First, it was not yellow patch (R. cerealis) at all. Second, it was a Rhizoctonia species that no one recognized. Further investigation and DNA fingerprinting of the pathogen revealed that it was W. circinata var. circinata, a Rhizoctonia species." Details the biology and disease cycle of W. circinata va. circinata. Also details diagnosis and identification of the disease. Mentions research focusing "on the identification and characterization of the...pathogen." Reports that "analysis of the ribosomal DNA sequences confirmed that U.S. [United States] isolates were nearly identical to those from Japan and distinct from Rhizoctonia species." Discusses potential methods of treating the pathogen. Concludes that "because symptoms of [W. circinata var. circinata] are similar to those of other disease, recognizing and identifying this pathogen is key for its management. Correct fungicide selection and application timing in addition to cultural practices such as thatch management are the major factors in controlling the disease." |
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| Language: | English |
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| References: | 6 |
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| Note: | Pictures, color
Figures
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wong, F. P., and J. E. Kaminski. 2007. A new Rhizoctonia disease of bluegrass putting greens: A new turfgrass disease has been found on annual bluegrass and rough bluegrass. Golf Course Manage. 75(9):p. 98-103. |
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| Web URL(s):
https://web.archive.org/web/20131112235232/http://www2.gcsaa.org/GCM/2007/sept/pdfs/rhizoctonia.pdf
Last checked: 08/08/2016
Requires: PDF Reader
https://archive.lib.msu.edu/tic/gcman/article/2007sep98.pdf
Last checked: 09/30/2008
Requires: PDF Reader |
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MSU catalog number: b2193862a |
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