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| Web URL(s): | https://scisoc.confex.com/crops/2015am/webprogram/Paper93267.html
Last checked: 11/04/2015 |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Jeffries, Matthew D.;
Gannon, Travis W.;
Brosnan, James T.;
Ahmed, Khalied A.;
Breeden, Gregory K. |
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| Author Affiliation: | Gannon and Ahmed: Department of Crop Science; Jeffries: North Carolina State University, Raleigh, NC; Brosnan and Breeden: Department of Plant Sciences, University of Tennessee - Knoxville, Knoxville, TN |
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| Title: | Fluctuations over time in dislodgeable 2,4-D residues from hybrid bermudagrass athletic fields |
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| Section: | C05 turfgrass science
Other records with the "C05 turfgrass science" Section
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| Translated Section: | Graduate student oral competition: Turfgrass cultural practices, ecology and environment |
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| Meeting Info.: | Minneapolis, Minnesota: November 15-18, 2015 |
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| Source: | ASA, CSSA and SSSA International Annual Meetings. 2015, p. 93267. |
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| Publishing Information: | [Milwaukee, Wisconsin]: [American Society of Agronomy and the Entomological Society of America] |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: 2,4-D; Athletic fields; Cynodon dactylon x Cynodon transvaalensis; Dislodgeable residues; Herbicide evaluation; Herbicide residues; Hybrid bermudagrasses
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| Abstract/Contents: | "Research to date has confirmed 2,4-D residues may dislodge from turfgrass in residential settings; however, knowledge pertaining to 2,4-D residues on hybrid bermudagrass (Cynodon dactylon L. x C. transvaalensis) athletic fields is limited. Moreover, previous 2,4-D residue research has been nondescript regarding sample time within a d (TWD) or conducted in the afternoon when the turfgrass canopy is dry, potentially underestimating dislodgement. Field research was conducted to quantify dislodgeable 2,4-D residues at varying TWD (5:00, 7:00, 9:00, 11:00 or 13:00) over several d after treatment (DAT; 1, 2, 3, 6 or 12). Data suggest 2,4-D dislodgeability decreased as TWD increased, with < 0.1% of the applied dislodged at all 13:00 sample timings. Further, increasing dislodgeable residues from afternoon to the subsequent morning suggests 2,4-D can re-suspend over night on treated turfgrass vegetation up to 3 DAT. This response was attributed in part to non-precipitation climatic conditions favoring turfgrass canopy wetness. Findings from this research will improve turfgrass management practices and research designed to assess and minimize human pesticide exposure." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only!
"83-11" |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Jeffries, M. D., T. W. Gannon, J. T. Brosnan, K. A. Ahmed, and G. K. Breeden. 2015. Fluctuations over time in dislodgeable 2,4-D residues from hybrid bermudagrass athletic fields. Agron. Abr. p. 93267. |
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Last checked: 11/04/2015 |
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