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DOI: | 10.1094/PHYTO.2009.99.6.S1 |
Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2009.99.6.S1#page=61 Last checked: 06/10/2009 Requires: PDF Reader Notes: Item is within a single large file |
Publication Type:
| Report |
Content Type: | Abstract or Summary only |
Author(s): | Kammerer, S.;
Harmon, P. F. |
Author Affiliation: | Kammerer: University of Florida, Saint Augustine, Florida; Harmon: University of Florida, Gainesville, Florida |
Title: | A new Rhizoctonia sp. pathogenic to seashore paspalum turfgrass |
Section: | Abstracts submitted for presentation at the 2009 APS annual meeting Other records with the "Abstracts submitted for presentation at the 2009 APS annual meeting" Section
|
Meeting Info.: | Portland, Oregon: August 1-5, 2009 |
Source: | Phytopathology. Vol. 99, No. 6, June Supplement 2009, p. S61. |
Publishing Information: | St. Paul, MN: American Phytopathological Society |
# of Pages: | 1 |
Keywords: | TIC Keywords: Paspalum vaginatum; Rhizoctonia; Teleomorphs; Waitea circinata var. circinata
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Geographic Terms: | Florida |
Abstract/Contents: | "A wide diversity of Rhizoctonia species, anastomosis groups (AG), and varieties cause diseases of both warm and cool season turfgrasses. Waitea circinata is a teleomorph of some Rhizoctonia spp. Over sixty Rhizoctonia-like isolates were collected from thinning patches of seashore paspalum from a few inches to a few feet in diameter and with orange to yellow borders, on eight different golf course fairways in Florida over an 18-month sampling program. A group of four isolates from three golf courses resembled Rhizoctonia morphologically and had profuse pink to yellow mycelia in culture and produced small dark brown sclerotia. Three of four of these isolates were obtained from the 3 January, 2008 sampling. Isolates were insensitive to thiophanate-methyl fungicide and were difficult to get into pure culture. Amplified fragments of r DNA including internal transcribed spacers from the isolates were sequenced bi-directionally using primers ITS1/ITS4. Consensus sequences for these 4 isolates matched with 98% homology isolates NUK-3BG and DAI-5BG of Waitea circinata var. circinata (GenBank accession numbers AB213567 and AB213569), the Waitea reddish-brown patch pathogen of bentgrass first identified in Japan. Pathogenicity was confirmed on two cultivars of seashore paspalum and 'Penncross' creeping bentgrass in incubator inoculations. This is the first report of Waitea reddish-brown patch on a warm season grass and the first reported isolation of this strain of Rhizoctonia in the United States." |
Language: | English |
References: | 0 |
See Also: | Other items relating to: Seashore Paspalum - Since 2000 |
Note: | This item is an abstract only! "2009 APS Annual Meeting" |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Kammerer, S., and P. F. Harmon. 2009. A new Rhizoctonia sp. pathogenic to seashore paspalum turfgrass. Phytopathology. 99(6):p. S61. |
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| DOI: 10.1094/PHYTO.2009.99.6.S1 |
| Web URL(s): http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2009.99.6.S1#page=61 Last checked: 06/10/2009 Requires: PDF Reader Notes: Item is within a single large file |
| MSU catalog number: b2219736a |
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