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Influence of Time of Herbicide Application on Control of Kudzu

Published online by Cambridge University Press:  12 June 2017

Ray Dickens
Affiliation:
Dep. of Agron. and Soils, Auburn Univ. Agr. Exp. Sta., Auburn, Alabama 36830
G. A. Buchanan
Affiliation:
Dep. of Agron. and Soils, Auburn Univ. Agr. Exp. Sta., Auburn, Alabama 36830

Abstract

Field experiments were conducted during 1968 to 1970 to determine the influence of time of herbicide application on control of kudzu [Pueraria lobata (Willd.) Ohwi]. Picloram (4-amino-3,5,6-trichloropicolinic acid) effectively controlled kudzu when applications were made as early as May 22 and as late as October 28. Acceptable control was obtained with rates of picloram 0.34 kg/ha or higher. In contrast, (2,4,5-trichlorophenoxy)acetic acid (2,4,5-T) was most effective when applied during the first half of summer. Essentially no control of kudzu was obtained from 2,4,5-T applied 1 week before the first killing frost.

Type
Research Article
Copyright
Copyright © Weed Science Society of America 

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References

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