Full TGIF Record # 124112
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Web URL(s):https://www.plantmanagementnetwork.org/pub/trial/fntests/reports/2006/T026.pdf
    Last checked: 11/14/2016
    Requires: PDF Reader
Publication Type:
i
Report
Author(s):Tomaso-Peterson, M.; Perry, H.; Meister, C. W.
Author Affiliation:Tomaso-Peterson and Perry: Department of Entomology and Plant Pathology, Mississippi State University, Mississippi State, Mississippi; Meister: Department of Food Science and Human Nutrition, University of Florida, Gainsville, Florida
Title:Control of leaf spot in bermudagrass using EndorseTM fungicide, 2005
Section:Turfgrass
Other records with the "Turfgrass" Section
Source:F&N Tests. Vol. 61, 2006, p. T026.
Publishing Information:St. Paul, MN: American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Cynodon dactylon; Cynodon transvaalensis; Leaf spot; Disease control; Polyoxin D; Fungicide evaluation; Application rates; Application timing; Disease severity
Cultivar Names:Tifgreen
Abstract/Contents:"An Endorse fungicide evaluation for control of leaf spot of bermudagrass was initiated in Sept 2005 on Tifgreen bermudagrass maintained at 0.5 in. mowing height at the Rodney R. Foil Plant Science Research Center, Starkville, MS. Fungicide applications were applied in 2.0 gal of water per 1000 sq ft using a CO2 -pressured back-pack sprayer with a two nozzle (TeeJet 110-02) boom at 40 psi. The treatment plots (4 ft x 6 ft) were arranged in a randomized complete block design with 4 replications. Tifgreen bermudagrass was vertical mowed and fertilized with 1 lb nitrogen (34-0-0)/1000 sq ft on 19 Sept 2005. The initial fungicide application was made on 21 Sept 2005. The plots were inoculated 24 hr post fungicide application with B. spicifera delivered as dried mycelium/conidia infested on ground corncob carrier at 0.3 lb/1000 sq ft. Plots were watered daily in the early evening to insure prolonged leaf wetness. Subsequent fungicide applications were made at 7- or 14-day intervals through 19 Oct. Data were subjected to the analysis of variance and mean separation based on Fisher's protected least significant difference test. The Tifgreen plots were rated for leaf spot severity on 5, 12, and 26 Oct. Leaf spot symptoms were evident on 5 Oct. Results from visual ratings of leaf spot severity indicated Endorse or Protect sprayed every 7 days provided significantly better control compared to the untreated control sprayed with water. Plots treated with Emblem (14-day spray interval [SI]), Endorse (14-day SI), Endorse alternated with Emblem (14-day SI), or CL EXP-04 (14-day SI) demonstrated significantly better leaf spot control as compared to the untreated control. On 12 Oct there were no significant differences among treatments however Endorse (7-day SI), Protect (7-day SI) and Endorse alternated with Protect (14-day SI) reduced leaf spot severity 28, 22, and 22%, respectively, compared to the untreated control. On 26 Oct the new growth of Tifgreen was not symptomatic for leaf spot as temperatures fell below the optimum range for B. spicifera activity."
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Tomaso-Peterson, M., H. Perry, and C. W. Meister. 2006. Control of leaf spot in bermudagrass using EndorseTM fungicide, 2005. F&N Tests. 61:p. T026.
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https://www.plantmanagementnetwork.org/pub/trial/fntests/reports/2006/T026.pdf
    Last checked: 11/14/2016
    Requires: PDF Reader
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MSU catalog number: SB 951.3 .F82
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