Full TGIF Record # 210451
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Web URL(s):https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2012/T048.pdf
    Last checked: 11/14/2016
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Publication Type:
i
Report
Author(s):Martinez-Espinoza, A. D.; Burpee, L. L.
Author Affiliation:Department of Plant Pathology, University of Georgia, Griffin, GA
Title:Control of dollar spot on creeping bentgrass in Georgia, 2010
Section:Turfgrass
Other records with the "Turfgrass" Section
Source:PDMR: Plant Disease Management Reports. Vol. 6, 2012, p. T048.
Publishing Information:St. Paul, Minnesota: American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Agrostis stolonifera; Disease severity; Disease control; Fungicide evaluation; Fungicide trials; Sclerotinia homoeocarpa
Cultivar Names:Penncross
Abstract/Contents:"A fungicide trial was conducted on a 17-yr-old sward of creeping bentgrass grown on a sand/peat root zone (pH 6.2) at the University of Georgia-Griffin campus. Fertilizer treatments consisted of 1.0 lb and 0.5 lb nitrogen (Lesco 24-4-10) per 1,000 sq ft applied on 19 Apr and 9 Sep respectively. The turfgrass was maintained at a height of 0.2-in. by mowing three times per week. Treatments were arranged as plots (3 ft x 4 ft) in a randomized complete block design with four replications. Initial applications were made on 6 May and followed by additional fungicide applications at 14-day intervals. Fungicides were applied using 2.0 gal of water per 1,000 sq ft with a hand-held, CO2-pressured boom sprayer at 30 psi using XR TeeJet 8002VS nozzles. On 7 May, the experimental plots were inoculated with a bentgrass isolate of Sclerotinia homoeocarpa grown on a tall fescue/barley/wheat seed mixture. Previously soaked in water overnight and then double sterilized in an Erlenmeyer flask The plots received approximately 0.24-in. of irrigation water daily at 15:00 and 17:00 hr to ensure foliar wetness for infection. Visual counting of dollar spot infection centers was conducted at 7 to 14 day intervals from the initial application date. Data were subjected to analysis of variance, and means were statistically separated using Student-Newman-Keuls at α=0.05. Dollar spot incidence progressed rapidly, reaching greater than 144 dollar spot infection centers by 14 Jun. After 24 May, when the disease epidemic was severe, all treatments provided statistically significant (α<0.05) disease suppression compared to the non-treated check. No phytotoxicity was observed with any of the treatments."
Language:English
References:0
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Martinez-Espinoza, A. D., and L. L. Burpee. 2012. Control of dollar spot on creeping bentgrass in Georgia, 2010. PDMR: Plant Dis. Manage. Rep. 6:p. T048.
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https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2012/T048.pdf
    Last checked: 11/14/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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