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Absorption and Translocation of 2,4-D by Wolftail (Carex Cherokeensis Schwein)

Published online by Cambridge University Press:  12 June 2017

Earl R. Burns ,
Gale A. Buchanan  and
A. E. Hiltbold
Earl R. Burns
Affiliation:
Department of Agronomy and Soils, Auburn University Agricultural Experiment Station, Auburn, Alabama
Gale A. Buchanan
Affiliation:
Department of Agronomy and Soils, Auburn University Agricultural Experiment Station, Auburn, Alabama
A. E. Hiltbold
Affiliation:
Department of Agronomy and Soils, Auburn University Agricultural Experiment Station, Auburn, Alabama
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Abstract

Absorption and translocation of the sodium salt of radioactive (2,4-dichlorophenoxy)acetic acid (2,4-D-2-14C) by wolftail (Carex cherokeensis Schwein) plants grown from rhizomes were enhanced by high relative humidity but were not affected by dimethyl sulfoxide (hereinafter referred to as DMSO). Greatest accumulation of 2,4-D-2-14C translocated from the treated leaf occurred, in the meristematic tissue. DMSO increased the herbicidal activity of the triethanolamine salt of 2,4-D alone, but 2,4-D plus DMSO was no more effective than 2,4-D plus X-77. When both DMSO and X-77 were added to the 2,4-D solution, the treatments were no more effective than when either additive alone was included.

Type
Research Article
Information
Weed Science , Volume 17 , Issue 4 , October 1969 , pp. 401 - 404
Copyright
Copyright © 1969 Weed Science Society of America 

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References

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