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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-105-4-S2.1#page=11
Last checked: 05/12/2015
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| Publication Type:
| Report |
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| Author(s): | Vines, P. L.;
Tomaso-Peterson, M.;
Allen, T. |
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| Author Affiliation: | Vines: Mississippi State University, Starkville; Tomaso-Peterson and Allen: Mississippi State University, Mississippi State, MS |
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| Title: | Evaluating novel ectotrophic root-infecting fungi as possible etiological agents for summer decline of ultradwarf bermudagrass |
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| Section: | Southern Division Meeting abstracts
Other records with the "Southern Division Meeting abstracts" Section
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| Meeting Info.: | Atlanta, Georgia: February 1-2, 2015 |
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| Source: | Phytopathology. Vol. 105, No. 4S, April 2015, p. S2.11. |
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| Publishing Information: | Lancaster, Pennsylvania: The Society Intelligencer Printing Company for The American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Disease evaluation; Dwarf bermudagrasses; Ectotrophic root-infecting fungi; Etiology; Gaeumannomyces graminis; Gaeumannomyces graminis var. graminis; Gaeumannomyces incrustans
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| Abstract/Contents: | "Roots of ultradwarf bermudagrasses expressing symptoms of summer decline are typically brown to black in color, diminutive in size, and frequently colonized with dark runner hyphae, growth cessation structures, and simple hyphopodia, which are characteristic signs of ectotrophic root-infecting (ERI) fungi. Research at Mississippi State University led to the identification of six novel fungal species (Gaeumannomyces paulograminis, Magnaporthiopsis hawaiiensis, M. Cynodontis, M. Taurocanis, Candidacolonium cynodontis, and Pseudophialophora cynodontis) and two previously recognized species (G. Graminis var. graminis and M. incrustans) from colonized roots. The objective of this study was to screen the ERI fungal species for pathogenicity on 'Champion' and 'MiniVerde' ultradwarf bermudagrasses. Representative isolates from each of the eight fungal species were selected and grown on potato dextrose agar (PDA) under 24 hour fluorescent light until complete colonization of PDA occurred. The experiment was conducted in a randomized complete block split-plot design with three replications. Ultradwarf bermudagrass cultivars (n = 2) were whole plots and fungal isolates (n = 10) were split-plots. In vivo inoculations were performed in three inch diameter pots and placed in light- and temperature-controlled growth chambers for eight weeks. Pathogenicity was assessed through a series of evaluation parameters and Koch's postulates were confirmed by reisolation of the fungus from roots within each pot. Results from this study will be discussed in detail." three years of use, fungicide resistance was reported in the |
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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):
Vines, P. L., M. Tomaso-Peterson, and T. Allen. 2015. Evaluating novel ectotrophic root-infecting fungi as possible etiological agents for summer decline of ultradwarf bermudagrass. Phytopathology. 105(4S):p. S2.11. |
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| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-105-4-S2.1#page=11
Last checked: 05/12/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website
Notes: Item is within a single large file |
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MSU catalog number: b2219736a |
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