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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  and
G. A. Buchanan
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
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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
Information
Weed Science , Volume 19 , Issue 6 , November 1971 , pp. 669 - 671
Copyright
Copyright © Weed Science Society of America 

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References

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