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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2007/T015.pdf
Last checked: 11/14/2016
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Kaminski, J. E. |
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| Author Affiliation: | Department of Plant Science, University of Connecticut, Storrs, Connecticut |
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| Title: | Curative control of yellow tuft with various fungicides, 2006 |
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| Source: | PDMR: Plant Disease Management Reports. Vol. 1, 2007, p. T015. |
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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; Downy Mildew; Fungicides; Fungicide trials; Disease severity
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| Abstract/Contents: | "The study was conducted at the University of Connecticut Plant Science Research and Education Facility located in Storrs, CT. Fungicides were applied with a CO2 pressurized sprayer equipped with a flat-fan nozzle (8010E), and calibrated to deliver 2.0 gal water per 1000 ft2. Treatments were applied on the dates footnoted in the data tables. Soil was a silt loam with a pH of 5.9. Turf was maintained at 0.50-in., and was fertilized with 0.2 lb N per 1000 ft2 prior to initiation of the study. Plots measured 3 ft x 6 ft, and were arranged in a randomized complete block with three replications. Percent of plot area affected by S. Macrospora was assessed visually on a linear 0 to 100% scale where 0 = entire plot area green and healthy, and 100 = entire plot area blighted. Yellow tuft severity was rated on a 0 to 5 scale where 0 = no active yellow patch and 5 = bright yellow tufts observed throughout the plot. Prior to data analyses, all data were square root transformed. All data were subjected to analysis of variance and means separated using Fisher's protected least significant difference test. Data shown in the data table, however, represent the actual mean of each treatment. Yellow tuft became active in late August following a period of rainfall. Two wks after the initial application (22 Sep), there were no differences among any treatments and an average of 5.7 to 11.3% yellow tuft was observed in all plots. Three wks after sequential applications, only plots treated with Subdue MAXX had reduced levels of yellow tuft when compared to all other treatments. On 13 Oct, plots treated with Subdue MAXX had a total of 1.7% yellow tuft while all other treatments and the untreated control had an average of 7.7 to 14.0% disease. In addition to reducing the overall percent disease per plot, plots treated with Subdue MAXX also reduced the severity of the symptoms when compared to all other treatments. Except for Subdue MAXX, no differences in percent disease or severity were observed among any treatments including the untreated control." |
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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):
Kaminski, J. E. 2007. Curative control of yellow tuft with various fungicides, 2006. PDMR: Plant Dis. Manage. Rep. 1:p. T015. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2007/T015.pdf
Last checked: 11/14/2016
Requires: PDF Reader |
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