Full TGIF Record # 272545
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DOI:10.1094/PHYTO.2011.101.6.S1
Web URL(s):http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2011.101.6.S1#page=104
    Last checked: 06/20/2016
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Publication Type:
i
Report
Author(s):Liberti, D.; Rollins, J. A.; Harmon, P. F.
Author Affiliation:University of Florida, Gainesville, FL
Title:Evidence of genetic diversity and heterothallism in Sclerotinia homoeocarpa, the causal agent of dollar spot disease on turfgrass
Section:2011 APS-IPPC Joint Meeting abstracts of presentations
Other records with the "2011 APS-IPPC Joint Meeting abstracts of presentations" Section
Meeting Info.:Honolulu, Hawaii: August 6-10, 2011
Source:Phytopathology. Vol. 101, No. 6S, June 2011, p. S104.
Publishing Information:Lancaster, Pennsylvania: The Society Intelligencer Printing Company for The American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Dollar spot; Genetic diversity; Geographical distribution; Morphological evaluation; Sclerotinia homoeocarpa
Abstract/Contents:"Sclerotinia homoeocarpa F.T. Bennett causes dollar spot disease (DSD) on warm season and cool season turfgrasses in Florida and in northern states. The morphological and genetic relationship among DSD isolates collected from warm and cool season turfgrasses is unclear. We characterized a collection of 47 isolates of S. homoeocarpa from both warm and cool season turfgrass species in Florida and northern states. Screening the collection for morphological characters showed that the Florida collection mainly was represented by a novel strain of S. homoeocarpa. We found differences in mycelia pigmentation, stroma formation, and symptom development on St. Augustinegrass, as well as a strong vegetative incompatibility reaction between the Floridian and northern strains. We characterized and sequenced the MAT1-2 high-mobility group and MAT1-1 a box mating-type gene loci from the collection. Our data demonstrate an idiomorphic structure and an equal distribution of mating types in our collection characteristic of out crossing heterothallic fungi. Phylogenies established with the MAT locus and variable regions of the ribosomal DNA provided additional support for the observed morphological distinction between the strains. These findings provide new insight into the genetic diversity of this pathogen and its geographic distribution."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Liberti, D., J. A. Rollins, and P. F. Harmon. 2011. Evidence of genetic diversity and heterothallism in Sclerotinia homoeocarpa, the causal agent of dollar spot disease on turfgrass. Phytopathology. 101(6S):p. S104.
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DOI: 10.1094/PHYTO.2011.101.6.S1
Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2011.101.6.S1#page=104
    Last checked: 06/20/2016
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: b2219736a
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