Full TGIF Record # 251476
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DOI:10.1094/PHYTO-104-11-S3.1
Web URL(s):http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-104-11-S3.1#page=75
    Last checked: 12/01/2014
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Martinez-Espinoza, A. D.; Steketee, C. J.; Raymer, P.
Author Affiliation:University of Georgia, Griffin, GA
Title:Genotype-isolate interactions for resistance to Sclerotinia homoeocarpa in seashore paspalum
Section:2014 APS-CPS Joint Meeting abstracts of presentations
Other records with the "2014 APS-CPS Joint Meeting abstracts of presentations" Section
Meeting Info.:Minneapolis, Minnesota: August 9-13, 2014
Source:Phytopathology. Vol. 104, No. 11S, November 2014, p. S3.75.
Publishing Information:Lancaster, Pennsylvania: The Society Intelligencer Printing Company for The American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Cultivar evaluation; Cultivar improvement; Disease resistance; Dollar spot; Genotypes; Image analysis; Paspalum vaginatum; Sclerotinia homoeocarpa
Abstract/Contents:"Seashore paspalum (Paspalum vaginatum) is a warm-season turfgrass specie utilized on golf courses and athletic fields in the southeastern USA and in other tropical regions of the world. It is best known for its high salt tolerance, but available cultivars can be sensitive to dollar spot disease. Dollar spot, caused by Sclerotinia homoeocarpa, is a major fungal pathogen of turfgrasses. A management strategy is host plant resistance, but more needs to be known about the pathogen and host interaction to incorporate this resistance into elite genotypes. Five genotypes of seashore paspalum with dollar spot resistance differences were artificially inoculated with five isolates of S. homoeocarpa from several turfgrass species, and evaluated for percent disease visually and with digital image analysis in the field over two years. The experiment was a two-factor, split-plot design, with seashore paspalum genotypes as the main plot, and eight isolate and control treatments as subplots. Using area under the disease progress curve (AUDPC) values, there were statistical differences among the seashore paspalum genotypes and treatments. However, there was not a significant genotype by isolate interaction between the seashore paspalum genotypes and the dollar spot isolates. Using this information, breeders should be able to use one highly virulent S. homoeocarpa isolate to screen for host plant resistance in seashore paspalum."
Language:English
References:0
See Also:Other items relating to: Seashore Paspalum - Since 2000
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Martinez-Espinoza, A. D., C. J. Steketee, and P. Raymer. 2014. Genotype-isolate interactions for resistance to Sclerotinia homoeocarpa in seashore paspalum. Phytopathology. 104(11S):p. S3.75.
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DOI: 10.1094/PHYTO-104-11-S3.1
Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-104-11-S3.1#page=75
    Last checked: 12/01/2014
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: b2219736a
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