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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2007/T052.pdf
Last checked: 11/14/2016
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | McDonald, S. J.;
Fidanza, M. A.;
Hudson, D. |
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| Author Affiliation: | McDonald: Turfgrass Disease Solution LLC, Pottstown, Pennsylvania; Fidanza: Pennsylvania State University, Reading, Pennsylvania; Hudson: Bellewood Golf Club, Pottstown, Pennsylvania |
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| Title: | Curative control of take-all patch in a creeping bentgrass fairway as influenced by fungicides and plant nutrition, 2006 |
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| Source: | PDMR: Plant Disease Management Reports. Vol. 1, 2007, p. T052. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Fungus control; Take-all patch; Agrostis stolonifera; Golf fairways; Fungicides; Nutrition; Fungicide trials
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| Cultivar Names: | PennTrio |
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| Abstract/Contents: | "The purpose of the study was to evaluate various fungicides and micronutrients applied alone and in tank-mixes for curative control of take-all patch disease in creeping bentgrass. This study was conducted on the seventh fairway at Bellewood Golf Club. Turf damage attributed to take-all patch has been regularly observed each year at this particular site. All fairways on this golf course were established from 'PennTrio' creeping bentgrass in 1998. At the test site, soil pH was 6.3 with 5.4% organic matter. The plots were mowed three times per week at 0.525 inches, and approximately 2 lb N per 1000ft2 per year was supplied to the fairways under routine maintenance. At the start of the study, plots ranged from 15 to 20% blighted turf . Individual plots were 5 ft x 5 ft and arranged in a randomized complete block design with three replications. All treatments were applied on 14 and 29 June, and 13 July 2006. Treatments were applied in 4 gallons of water per 1000 sq ft using an 8010 EVS flat fan nozzle and powered by a CO2 backpack sprayer at 38 psi. Due to the difficulty of working with this disease, two untreated control plots were included within each replication. Percentage of plot area damaged by take-all was assessed visually. Turf quality was rated on a 0 to 10 scale with 10 = best quality and density and 7.5 = minimal acceptable level of quality for a creeping bentgrass fairway. Color was rated on a 0 to 10 scale with 10 = best color and 7.5 = minimal acceptable color for a creeping bentgrass fairway. Data were subjected to analysis of variance and significantly different means were separated according to Fisher's protected least significant difference test at P=0.05. On 21 and 28 June, no statistical differences with disease symptoms were observed (Table 1). By late June, disease activity declined and the reddish-orange color that was originally observed on affected plants was not as prevalent. By 12 July, statistical differences among treatments were observed. Plots treated with Heritage TL, Headway + Plant Food Mn + Flow Thru, Lynx, or the Plant Food Program had less blight symptoms when compared to the untreated plots. By 19 July, however, take-all patch activity had declined in all treated and untreated plots. On 19 July, plots that were completely void of take-all patch disease symptoms were those treated with Heritage TL, Headway + Plant Food Mn + Flow Thru, Lynx, and Tartan. The study was rated again on 2 August, and no take-all patch was observed within the entire study area (data not shown). Hence, the disease could be in the "decline phase" on this creeping bentgrass fairway." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is as abstract and tables only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McDonald, S. J., M. A. Fidanza, and D. Hudson. 2007. Curative control of take-all patch in a creeping bentgrass fairway as influenced by fungicides and plant nutrition, 2006. PDMR: Plant Dis. Manage. Rep. 1:p. T052. |
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Last checked: 11/14/2016
Requires: PDF Reader |
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