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

Elizabeth J. Jones; James E. Hanks; Gene D. Wills; Robert E. Mack

doi:10.1614/WT-06-066.1

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Elizabeth J. Jones, James E. Hanks, Gene D. Wills, Robert E. Mack

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 (<141 μm) and either had no effect or increased glyphosate efficacy. These adjuvants could prove useful for providing management in potential drift situations.

Nomenclature: Glyphosate

Citation Download Citation

Elizabeth J. Jones, James E. Hanks, Gene D. Wills, and Robert E. Mack "Effect of Two Polysaccharide Adjuvants on Glyphosate Spray Droplet Size and Efficacy," Weed Technology 21(1), 171-174, (1 January 2007). https://doi.org/10.1614/WT-06-066.1

Received: 30 March 2006; Accepted: 1 June 2006; Published: 1 January 2007

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