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Physiological characteristics of a stem cut and blade delivery method of application

Published online by Cambridge University Press:  12 June 2017

Richard L. Wahlers ,
James D. Burton ,
Eleanor P. Maness  and
Walter A. Skroch
Richard L. Wahlers
Affiliation:
Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609
Eleanor P. Maness
Affiliation:
Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609
Walter A. Skroch
Affiliation:
Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609
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Abstract

Herbicide absorption and translocation patterns were determined following a wet blade method of application to dogfennel stems. Treatment consisted of severing stems with a pruning shear blade containing 5 μl of [14C]-triclopyr or [14C]-clopyralid solution. More than 73 or 82% of applied [14C]-triclopyr or [14C]-clopyralid was absorbed immediately, and uptake increased to more than 90%, 60 min after treatment. Both radiolabeled compounds appeared in the roots as soon as 12 h after treatment. By 48 h, 5 to 7% of the [14C] label was present in the roots, and 7 to 10% was exuded from the roots.

Keywords

clopyralidtriclopyrdogfennel[Eupatorium capillifolium (Lam.) Small]Autoradiographyblade deliverycut and applicationBurch Wet Blade®xylem cavitationEUPCA
Type
Physiology, Chemistry, and Biochemistry
Information
Weed Science , Volume 45 , Issue 6 , December 1997 , pp. 746 - 749
Copyright
Copyright © 1997 by the Weed Science Society of America 

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References

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