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Organic Acid Enhancement of Pelargonic Acid

Published online by Cambridge University Press:  20 January 2017

Robert Coleman  and
Donald Penner
Robert Coleman
Affiliation:
Summerdale, Inc., 7723 Kempfer Lane, Verona, WI 53593
Donald Penner*
Affiliation:
Department of Crop and Soil Sciences, Michigan State University, East Lansing, MI 48824
*
Corresponding author's E-mail: [email protected]
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Abstract

Selected fatty acids, such as pelargonic acid and caprylic acid, are effective nonselective herbicides for a wide spectrum of annual weed species. Greenhouse and field studies evaluated the potential of certain food-grade organic acids to enhance herbicide activity of pelargonic acid-based formulations. The addition of diammonium succinate and succinic acid improved the efficacy of a pelargonic acid formulation from 117 to 200% in the greenhouse. L-Lactic acid and glycolic acid enhanced the efficacy of pelargonic acid formulations on velvetleaf and common lambsquarters in the greenhouse by 126 to 168% and in the field by 117 to 138%. Thus, combinations of fatty and organic acids with selected emulsifiers can be highly effective as safe, nonselective herbicides.

Keywords

Caprylic acidpelargonic acidcommon lambsquarters, Chenopodium album L., CHEALvelvetleaf, Abutilon theophrasti Medic. ABUTHAdjuvantsemulsifiersglycolic acidlactic acidnatural herbicidessuccinic acidweed control
Type
Research
Information
Weed Technology , Volume 22 , Issue 1 , March 2008 , pp. 38 - 41
Copyright
Copyright © Weed Science Society of America 

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References

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