Full TGIF Record # 149007
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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=72
    Last checked: 06/10/2009
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Li, Y.; Windham, M.; Trigiano, R.; Wadl, P.; Moulton, K.; Windham, A.; Spiers, J.
Author Affiliation:Li, M. Windham, Trigiano, Wadl and Moulton: University of Tennessee, Knoxville, Tennessee; A. Windham: University of Tennessee, Nashville, Tennessee; Spiers: United States Department of Agricultre - Agricultural Research Service, Poplarville, Mississippi
Title:Anthracnose: A new disease of switchgrass
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. S72.
Publishing Information:St. Paul, MN: American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Anthracnose; Colletotrichum graminicola; Morphology; Panicum virgatum; Symptoms
Cultivar Names:Prairie Sky
Abstract/Contents:"Switchgrass (Panicum virgatum L.) is an important ornamental grass and bioenergy crop. Diseased leaves with anthracnose symptoms were observed in nursery grown switchgrass 'Prairie Sky' in North Carolina and Tennessee in the summer of 2008. Symptoms were fusiform lesions with red-brown edges. Acervuli formed in necrotic leaf and sheath tissues. Fungal isolates were grown on half-strength potato dextrose agar at room temperature with a 12 h photoperiod. Black conidiomata formed in rings on white vegetative mycelia at 2 days after inoculation. Conidia were fuisoid to sickle-shaped and range from 20.0 to 35.6 μm long ^D#x 3.1 to 5.9 μm wide. Setae were black acicular and 3 to 5 septate, ranging from 68.5 to 148.1 μm long. Conidia germinated and formed appressoria at the end of short germ tubes in drops of water on plastic cover slips 20 h after inoculation. Appressoria were oval or pear shaped and ranged from 7.76 to 11.69 μm long and 5.01 to 7.46 μm wide. These morphological characteristics are consistence with the description of Colletotrichum graminicola (Cesati) G.W. Wilson."
Language:English
References:0
Note:This item is an abstract only!
"2009 APS Annual Meeting"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Li, Y., M. Windham, R. Trigiano, P. Wadl, K. Moulton, A. Windham, et al. 2009. Anthracnose: A new disease of switchgrass. Phytopathology. 99(6):p. S72.
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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=72
    Last checked: 06/10/2009
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: b2219736a
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