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| Web URL(s): | http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2004.pdf#page=18
Last checked: 12/10/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Smith, Randy L.;
Blewett, Craig;
Breuninger, Jamie M.;
Loughner, Dan L.;
Tolley, Mike;
Handly, Jack;
Brinton, Will F. |
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| Author Affiliation: | Smith, Blewett, Breuninger, Loughner and Tolley: Dow AgroSciences LLC, Indianapolis, Indiana; Handly: Weed Man, Auburn, California; Brinton: Woods End Research Laboratory, Inc., Mt. Vernon, Maine |
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| Title: | Degradation of fluroxypyr and dicamba during composting of treated turfgrass |
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| Section: | Weeds of horticultural crops
Other records with the "Weeds of horticultural crops" Section
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| Meeting Info.: | Colorado Springs, Colorado: March 9-11, 2004 |
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| Source: | Proceedings of the Western Society of Weed Science. Vol. 57, 2004, p. 16-17. |
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| Publishing Information: | Newark, CA: Western Society of Weed Science |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Fluroxypyr; Dicamba; Herbicides; Composts; Clippings; Degradation; Composting
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| Abstract/Contents: | "Degradation of fluroxypyr, [(4-amino-3,5-dichloro-6-fluoro-2-pyridinyl)oxy]acetic acid and dicamba, 3,6-dichloro-2-methoxybenzoic acid was assessed in a model leaf-yard waste compost. The compost study was performed in a replicated laboratory bench-scale system. Fluroxypyr and dicamba herbicides had been previously applied to grass under controlled, turf plot conditions. Fluroxypyr and dicamba were applied at 0.28 kg ae/ha and 0.19 kg ae/ha labeled rates, respectively. At seven days after application treated and untreated grass clippings were harvested and sent for use in this study. Experimental compost was prepared from these grass clippings by blending according to a prior formula using leaf debris to achieve a typical yard-waste compost. Bench-scale composting was conducted for 39 days in 4.5-liter Dewar flasks, which allowed the compost to naturally self-heat to temperatures similar to those achieved in full-scale composting. Compost sample analysis indicated that in bench-top composting of the treated grass clippings, both fluroxypyr and dicamba degraded rapidly from initial levels of approximately 100 ppb. No detectable residues of either compound were found after 24 days of thermophilic composting. Degradation profiles for both compounds fit first order decay models with half-lives of approximately 5 days indicating that under good composting conditions residues of either chemical would not be expected to exist after composting." |
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| Language: | English |
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| References: | 0 |
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| Note: | "This article appears as abstract only." |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Smith, R. L., C. Blewett, D. L. Loughner, M. Tolley, J. Handly, and J. M. Breuninger. 2004. Degradation of fluroxypyr and dicamba during composting of treated turfgrass. Proc. West. Soc. Weed Sci. 57:p. 16-17. |
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| Web URL(s):
http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2004.pdf#page=18
Last checked: 12/10/2013
Requires: PDF Reader
Notes: Item is within a single large file |
| 
MSU catalog number: SB 610 .W43 v.49 |
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