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Effect of Two Polysaccharide Adjuvants on Glyphosate Spray Droplet Size and Efficacy

Published online by Cambridge University Press:  20 January 2017

Elizabeth J. Jones ,
James E. Hanks ,
Gene D. Wills  and
Robert E. Mack
Elizabeth J. Jones*
Affiliation:
Delta Research and Extension Center, Mississippi Agriculture and Forestry Experiment Station, Stoneville, MS 38776
James E. Hanks
Affiliation:
Application Production Technology Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Stoneville, MS 38776
Gene D. Wills
Affiliation:
Delta Research and Extension Center, Mississippi Agriculture and Forestry Experiment Station, Stoneville, MS 38776
Robert E. Mack
Affiliation:
Research and Development Helena Products Group, Helena Chemical Company, Memphis, TN 38120
*
Corresponding author's E-mail: [email protected]
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Abstract

Laboratory and field studies were conducted to determine the effect of the drift control adjuvants HM 2005B and HM 9752 on the droplet spectra and efficacy of spray mixtures of a potassium salt formulation of glyphosate. Droplet spectra were examined using a laser spray droplet analyzer. The addition of each adjuvant decreased the percentage of the spray volume in small diam spray droplets (<141μm) and either had no effect or increased glyphosate efficacy. These adjuvants could prove useful for providing management in potential drift situations.

Keywords

GlyphosateFlat fan nozzledrift controllaser droplet size analyzerAbutilon theophrasti Medik. ABUTHEchinochloa crus-galli (L.) Beauv. ECHCGIpomoea lacunosa L. IPOLA
Type
Research
Information
Weed Technology , Volume 21 , Issue 1 , March 2007 , pp. 171 - 174
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

Akesson, N. B., Steinke, W. E., and Yates, W. E. 1994. Spray atomization characteristics as a function of pesticide formulations and atomizer design. J. Environ. Sci. Health B29/4:785–814.Google Scholar
Anonymous, , 2005. Label: Roundup WeatherMax. Web page: http://www.cdms.net/. Accessed: May 19, 2006.Google Scholar
Bode, L. E., Butler, B. J., and Goering, C. E. 1976. Spray drift and recovery as affected by spray thickener, nozzle type, and nozzle pressure. Trans. Am. Soc. Agric. Eng. 19:213–218.CrossRefGoogle Scholar
Harris, L. E. and Hyslop, G. R. 1942. Selective sprays for weed control in crops. Oreg. Agric. Exp. Stn. Bull. 403:1–31.Google Scholar
Hazen, J. L. 1996. United States Patent 5,550,224. Webpage: http://www.uspto.gov/patft/index.html. Accessed: June 5, 2006.Google Scholar
Li, J., Smeda, R. J., Sellers, B. A., and Johnson, W. G. 2005. Influence of formulation and glyphosate salt on absorption and translocation in three annual weeds. Weed Sci. 53:153–159.Google Scholar
McMullan, P. M. 2000. Utility adjuvants. Weed Technol. 14:792–797.Google Scholar
McWhorter, C. G. 1971. The effect of alkali metal salts on the toxicity of MSMA and dalapon to johnsongrass. Weed Sci. Soc. Am. Abstr. 11:84.Google Scholar
Mueller, T. C. and Womac, A. R. 1997. Effect of formulation and nozzle type on droplet size with isopropylamine and trimesium salts of glyphosate. Weed Technol. 11:639–643.Google Scholar
Ramsdale, B. K. and Messersmith, C. G. 2001. Drift-reducing nozzle effects on herbicide performance. Weed Technol. 15:453–460.Google Scholar
Spray Drift Task Force 1997. A Summary of Ground Application Studies. Webpage: http://www.agdrift.com. Accessed: March 14, 2006.Google Scholar
Wills, G. D. 1971. Effects of inorganic salts on the toxicity of dalapon and MSMA to purple nutsedge. Weed Sci. Soc. Am. Abstr. 11:84–85.Google Scholar
Wills, G. D. 1973. Effects of inorganic salts on the toxicity of glyphosate to purple nutsedge. Weed Sci. Soc. Am. Abstr. 13:59.Google Scholar
Wills, G. D. and McWhorter, C. G. 1985. Effect of inorganic salts on the toxicity and translocation of glyphosate and MSMA in purple nutsedge (Cyperus rotundus). Weed Sci. 33:755–761.Google Scholar