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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2009 Proceedings-SWSS.pdf#page=558
Last checked: 07/25/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Massey, J. H.;
Ampim, P. A.;
Stewart, B. A. |
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| Author Affiliation: | Massey and Stewart: Plant and Soil Science, Mississippi State University, Mississippi State, MS; Ampim: Texas AgriLife Research and Extension, Texas A & M University, Dallas, TX |
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| Title: | Factors affecting pesticide runoff from warm-season turfgrass |
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| Section: | Soil and environmental aspects
Other records with the "Soil and environmental aspects" Section
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| Meeting Info.: | Orlando, Florida: February 9-12, 2009 |
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| Source: | 2009 Proceedings, Southern Weed Science Society. Vol. 62, 2009, p. 488. |
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| Publishing Information: | Champaign, Illinois: Southern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Chlorpyrifos; Cultivar evaluation; Cynodon dactylon x Cynodon transvaalensis; Flutolanil; Pesticide evaluation; Research; Runoff control; Zoysia japonica
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| Abstract/Contents: | "This study was conducted to improve the understanding and modeling of pesticide runoff from bermudagrass (Cynodon dactylon [L] Pers. x Cynodon transvalensis Burtt-Davy) and zoygrass (Zoysia japonica Steud.). Factors investigated include pesticide physicochemical properties, mowing height, and plot size. The turfgrass species were maintained to simulate either golf course fairways or residential lawns. The runoff studies used a split plot design and were conducted on plots having 3% slope that ranged in size from 4- to 466-m2. 2, 4-D herbicide, flutolanil fungicide, and chlorpyrifos insecticide were co-applied at 1.12 kg ai/ha, 2.24 kg ai/ha and 2.24 kg ai/ha, respectively. The conservative tracer KBr (10 kg/ha) was applied immediately before initiation of simulated rainfall (38 mm/h for 90 min) 24 h after pesticide application. Runoff from the plots was collected at approximately five-minute intervals and analyzed using HPLC-UV. The runoff parameters measured included the maximum observed concentrations (ppb), total masses (g) and percentages of the applied chemicals observed in runoff. Various hydrological parameters were also measured. While the specific effects of grass species, mowing height, and plot size on runoff depended on the pesticide and runoff parameter analyzed, the total chemical masses in runoff were linearly proportional to plot size for the mobile (e.g., 2,4-D, Br-), moderately mobile (flutolanil) and relatively immobile (chlorpyrifos) chemicals used in this study." |
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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):
Massey, J. H., P. A. Ampim, and B. A. Stewart. 2009. Factors affecting pesticide runoff from warm-season turfgrass. South. Weed Sci. Soc. Proc. 62:p. 488. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2009 Proceedings-SWSS.pdf#page=558
Last checked: 07/25/2013
Requires: PDF Reader
Notes: Item is within a single large file |
| 
MSU catalog number: b2207931 |
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