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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2007/T010.pdf
Last checked: 11/14/2016
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Rimelspach, J. W.;
Hicks, T. E.;
Boehm, M. J. |
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| Author Affiliation: | Department of Plant Pathology, The Ohio State University, Columbus, Ohio |
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| Title: | Evaluation of fungicides for the control of brown patch in creeping bentgrass, 2006 |
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| Source: | PDMR: Plant Disease Management Reports. Vol. 1, 2007, p. T010. |
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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: Fungicides; Fungicide trials; Fungus control; Brown patch; Agrostis stolonifera; Disease severity; Fungicide evaluation
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| Abstract/Contents: | "The test was conducted at The Ohio State University Turfgrass Research Center, Columbus, OH on a stand of creeping bentgrass established in 1997. Mowing height was 0.17-in. with clippings removed and the area was irrigated as needed. The condition of the sward was good with fair color, minimal thatch and good density. A single 0.125 lb N liquid fertilizer application of 30-10-10 was made 4 Apr. The soil was Crosby B silt loam, pH 7.3. Treatment plots measured 3 ft x 5 ft with 1 ft alleys between plots and 2 ft between blocks, and were arranged in a randomized complete block design, with four replications. All treatments were initiated on 14 Jul. Applications were made with a hand-held, CO2-powered boom sprayer using 6503 TeeJet nozzles at a pressure of 40 psi (water equivalent to 2.0 gal water/1000 sq ft) for all treatments. Applications were made at 14-, 21-, or day intervals. Percent of plot area blighted was assessed visually on a linear 0 to 100% scale where 0 = no blight and 100 = entire plot blighted. Data were transformed by arcsine square root (y) and analyzed using analysis of variance with Duncan's New MRT least significant difference (LSD) (α=0.05). The average maximum and minimum air temperatures (°F) and total precipitation (in.) for each month were: Jun 78.9, 59.6 and 4.30; Jul 85.7, 67.4 and 5.77; and Aug 84.8, 66.8 and 2.94, respectively. Environmental conditions were favorable for brown patch development from natural inoculum and a high level of disease symptoms were expressed at the onset of the trial and continued into mid-Aug. Since the disease was active at the beginning of the evaluation, the curative efficacy of fungicide treatments could be tested. The fastest reduction of brown patch was noted one week after applications was achieved with 3.25 oz Manicure Ultra, 0.36 fl oz Disarm, and 0.9 oz Insignia. In addition, by 14 days, in addition to the previously mentioned treatments 3.6 oz Echo 720, 0.18 oz Disarm applied at 14 days intervals, Disarm plus Banner 1 fl oz Maxx and 0.5 oz Insignia also achieved good disease reduction. No phytotoxicity symptoms were observed during the trial." |
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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!
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Rimelspach, J. W., T. E. Hicks, and M. J. Boehm. 2007. Evaluation of fungicides for the control of brown patch in creeping bentgrass, 2006. PDMR: Plant Dis. Manage. Rep. 1:p. T010. |
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Last checked: 11/14/2016
Requires: PDF Reader |
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