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| Web URL(s): | http://www.newss.org/proceedings/Proceedings_NEPPSC16_Vol1.pdf#page=70
Last checked: 03/15/2018
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Proceedings |
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| Content Type: | Abstract or Summary Only |
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| Author(s): | Shelton, C. D.;
McCall, D. S.;
Miller, G. L. |
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| Author Affiliation: | Virginia Tech, Blacksburg, VA |
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| Title: | Impact of fraze mowing on bermudagrass recovery from spring dead spot |
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| Section: | NE-ASA/CSSA/SSSA student contest - oral presentations
Other records with the "NE-ASA/CSSA/SSSA student contest - oral presentations" Section
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| Meeting Info.: | Philadelphia, Pennsylvania: January 3-7, 2016 |
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| Source: | Proceedings of the First Annual Meeting of the Northeastern Plant, Pest, and Soils Conference. 2016, p. 44. |
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| Publishing Information: | s.l.: Northeastern Weed Science Society; the Eastern Branch of the Entomological Society of America; the Northeastern Division of the American Phytopathological Society; the Northeast Branch of the American Society of Agronomy; the Crop Science Society of America; the Soil Science Society of America; and the American Society of Horticultural Science-Northeast Region |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Ammonium sulfate; Comparisons; Control methods; Cynodon; Disease control; Evaluative methods; Fraise mowing; Ophiosphaerella; Spring dead spot; Thatch control; Urea
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| Abstract/Contents: | "Spring dead spot (SDS), caused by Ophiosphaerella spp., is one of the most prominent diseases of bermudagrass. Managing this disease with fungicides can be difficult and requires sequential applications over multiple years. SDS is characterized by circular depressions of voided turf varying in size up to one meter. Under heavy pressure, the voids result in an uneven surface that decrease playability. "Fraze mowing" is an emerging strategy which removes most surface plant material and thatch allowing for a smoother playing surface. Our objective is to explore alternative options for the recovery and long-term suppression of spring dead spot with fraze mowing. Research trials were conducted at the Strikers Soccer Club West Creek Fields in Richmond, VA in 2015. Plots were 4.5 m x 1.8 m and arranged in a randomized complete block design with four replications. Fraze mowing was conducted on 5/29/2015 at four and eight mm depths using a Koro Fieldtopmaker. Urea and ammonium sulfate were applied as granular broadcast applications immediately following trial initiation every seven days for six weeks at a rate of 24.4 kg N ha-1. Visual assessments and reflectance data were collected during the six week application period. The simple ratio vegetation index (RVI= NIR 760nm/ RED 670nm) was calculated with reflectance data and transformed to show objective changes in plot quality over time. Area under turf quality progression curve was calculated for all treatments using RVI data. RVI values were lower in fraze mowed plots for the first two weeks after application. Fraze mow treatments yielded higher turf quality (reflectance and visual) on subsequent dates. Six weeks after fraze mowing, plots treated with ammonium sulfate recovered faster than plots treated with urea, regardless of depth. Spring data collection will be used to determine whether fraze mowing impacts the SDS epidemic after a growing season." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Shelton, C. D., D. S. McCall, and G. L. Miller. 2016. Impact of fraze mowing on bermudagrass recovery from spring dead spot. p. 44. In Proceedings of the First Annual Meeting of the Northeastern Plant, Pest, and Soils Conference. Philadelphia, Pennsylvania: January 3-7, 2016. s.l.: Northeastern Weed Science Society; the Eastern Branch of the Entomological Society of America; the Northeastern Division of the American Phytopathological Society; the Northeast Branch of the American Society of Agronomy; the Crop Science Society of America; the Soil Science Society of America; and the American Society of Horticultural Science-Northeast Region. |
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| Web URL(s):
http://www.newss.org/proceedings/Proceedings_NEPPSC16_Vol1.pdf#page=70
Last checked: 03/15/2018
Requires: PDF Reader
Notes: Item is within a single large file |
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Digitally in TIC by file name: nppsc2016 |
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