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| DOI: | 10.1002/ps.355 |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1002/ps.355/full
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| Publication Type:
| Refereed |
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| Author(s): | Ma, Qingli;
Gan, Jianying;
Becker, J. Ole;
Papiernik, Sharon K.;
Yates, Scott R. |
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| Author Affiliation: | Ma, Gan, Papiernik, and Yates: George E. Brown Jr. Salinity Laboratory, USDA-ARS, Riverside, CA; and Becker: Department of Nematology, University of California, Riverside, CA |
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| Title: | Evaluation of propargyl bromide for control of barnyardgrass and Fusarium oxysporum in three soils |
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| Section: | Papers
Other records with the "Papers" Section
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| Source: | Pest Management Science. Vol. 57, No. 9, September 2001, p. 781-786. |
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| Publishing Information: | London : for the Society of Chemical Industry by John Wiley & Sons |
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| # of Pages: | 6 |
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| Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1002/ps.355/abstract
Last checked: 03/14/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Bromide; Weed control; Echinochloa crusgalli; Fusarium oxysporum; Sandy loam soils; Loamy sand soils; Muck soils; Application rates; Half-life; Adsorption
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| Abstract/Contents: | "With the scheduled phasing out of methyl bromide, there is an urgent need for alternatives. We evaluated the efficacy of propargyl bromide as a potential replacement for methyl bromide for the control of barnyardgrass (Echinochloa crus-galli) and Fusarium oxysporum in an Arlington sandy loam, a Carsitas loamy sand and a Florida muck soil. Soil was mixed with barnyardgrass seeds or F oxysporum colonized on millet seeds, and treated with propargyl bromide at a range of concentrations. The mortality of the fungi and weed seeds was determined after 24h of exposure at 30°C. The concentrations required to inhibit 50% barnyard seed germination (LC50) were 2.8, 2.4 and 48.5 μg g-1 in the sandy loam, loamy sand and muck soil, respectively. In contrast, the LC50 values for F oxysporum were 11.2, 10.8 and 182.1 μg g-1 in the sandy loam, loamy sand and muck soil, respectively. The low efficacy of propargyl bromide in the muck soil was a result of the rapid degradation and high adsorption of the compound in the soil. The degradation half-life (t1/2) was only 7 h in the muck soil at an initial concentration of 6.8 μg g-1, compared to 60 to 67h in the sandy loam and loamy sand, respectively. The adsorption coefficients (Kd) were 0.96, 0.87 and 5.6 cm3g-1 in the sandy loam, loamy sand and muck soil, respectively. These results suggest that registration agencies should consider site-specific properties in recommending application rates for propargyl bromide." |
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| Language: | English |
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| References: | 15 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ma, Q., J. Gan, J. O. Becker, S. K. Papiernik, and S. R. Yates. 2001. Evaluation of propargyl bromide for control of barnyardgrass and Fusarium oxysporum in three soils. Pest Manage. Sci. 57(9):p. 781-786. |
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| DOI: 10.1002/ps.355 |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1002/ps.355/full
Last checked: 03/14/2014
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1002/ps.355/pdf
Last checked: 03/14/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/enhanced/doi/10.1002/ps.355
Last checked: 03/14/2014
Access conditions: Item is within a limited-access website
Notes: Enhanced HTML version |
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MSU catalog number: SB 951 .A1 P45 |
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