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Action and Fate of 2,4-D and Dicamba in Trumpetcreeper

Published online by Cambridge University Press:  12 June 2017

L. Thompson Jr. ,
C. H. Slack ,
R. D. Augenstein  and
J. W. Herron
L. Thompson Jr.
Affiliation:
Dep. Agron., Univ. Kentucky, Lexington, KY 40506
C. H. Slack
Affiliation:
Dep. Agron., Univ. Kentucky, Lexington, KY 40506
R. D. Augenstein
Affiliation:
Dep. Agron., Univ. Kentucky, Lexington, KY 40506
J. W. Herron
Affiliation:
Dep. Agron., Univ. Kentucky, Lexington, KY 40506
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Abstract

Trumpetcreeper [Campsis radicans (L.) Seem.] grown from 10-cm root sections was more susceptible to foliar applications of 2,4-D [(2,4-dichlorophenoxy)acetic acid] and dicamba (3,6-dichloro-o-anisic acid) than trumpetcreeper grown from 45-cm root sections. Dicamba controlled trumpetcreeper better than did 2,4-D, particularly trumpetcreeper grown from 45-cm root sections. More 14C-dicamba than 14C-2,4-D was absorbed through the foliage and translocated to the roots of trumpetcreeper grown from 10-cm roots. No 14C-2,4-D was detected in the 45-cm roots; however, 14C-dicamba was recovered from both the upper and the lower sections of the 45-cm roots.

Type
Research Article
Information
Weed Science , Volume 21 , Issue 5 , September 1973 , pp. 429 - 432
Copyright
Copyright © 1973 Weed Science Society of America 

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References

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