Full TGIF Record # 280636
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    Last checked: 02/09/2017
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Publication Type:
i
Refereed
Author(s):Cutulle, Matthew; Derr, Jeffrey F.; McCall, David; Nichols, Adam; Horvath, Brandon; Sanchez, Tatiana
Author Affiliation:Cutulle: Syngenta Corp Protection, Vero Beach, FL; Derr and Nichols: Virginia Tech, Hampton Roads Ag. Res. & Ext. Center, Virginia Beach, VA; McCall: Virginia Tech, Glade Road Research Center, Blacksburg, VA; Horvath: Plant Science Department, Knoxville, TN; Sanchez: Plant Pathology Department, University of Florida, Gainesville, FL
Title:Evaluation of chitinase activity in tall fescue cultivars inoculated with Rhizoctonia solani
Section:Research reports
Other records with the "Research reports" Section
Source:Journal of Environmental Horticulture. Vol. 33, No. 4, 2015, p. 143-147.
Publishing Information:Washington, D. C.: Horticultural Research Institute
# of Pages:5
Keywords:TIC Keywords: Chitinase; Cultivar evaluation; Disease susceptibility; Festuca arundinacea; Growth analysis; Rhizoctonia solani
Cultivar Names:Jaguar
Abstract/Contents:"Tall fescue has great utility as a low maintenance turfgrass in the northern and transition zone regions of the United States. A factor limiting tall fescue utility is its susceptibility to the pathogen Rhizoctonia solani Kuhn, the causal agent of foliar brown patch. Chitinase activity has been positively correlated with resistance to R. solani in other plant species. A chitinase assay was developed for tall fescue. Three tall fescue cultivars with differing agronomic qualities and brown patch susceptibility as well as a resistant hybrid bluegrass cultivar were inoculated with R. solani in a greenhouse humidity chamber. Chitinase activity 48 hours after inoculation was negatively correlated with percent brown patch severity 10 days after inoculation. 'Jaguar' tall fescue was the most tolerant to R. solani and exhibited the highest chitinase activity before and after inoculation. No significant increase in chitinase activity was observed in the other tall fescue cultivars following R. solani inoculation. Identifying tall fescue cultivars expressing high amounts of chitinase activity could be important for developing brown patch-tolerant tall fescue cultivars."
Language:English
References:24
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Cutulle, M., J. F. Derr, D. McCall, A. Nichols, B. Horvath, and T. Sanchez. 2015. Evaluation of chitinase activity in tall fescue cultivars inoculated with Rhizoctonia solani. J. Environ. Hortic. 33(4):p. 143-147.
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http://hriresearch.theknowledgecenter.com/Publications/dl.cfm?mfid=18595&CFID=62799825&CFTOKEN=4e8dab5e2aa76b77-6DF920FC-9874-29EC-8BDB4470D5C71771
    Last checked: 02/09/2017
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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