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Control of Virginia Creeper (Parthenocissus quinquefolia): Effects of Carrier Volume on Toxicity and Distribution of Triclopyr

Published online by Cambridge University Press:  12 June 2017

Thomas J. Tworkoski ,
Roger S. Young  and
John P. Sterrett
Thomas J. Tworkoski
Affiliation:
U.S. Dep. Agric., Foreign-Dis.–Weed Sci. Res., Ft. Detrick, Bldg. 1301, Frederick, MD 21701
Roger S. Young
Affiliation:
W. V. Univ. Exp. Farm, Route 9, Kearneysville, WV 25430
John P. Sterrett
Affiliation:
U.S. Dep. Agric., Foreign-Dis.–Weed Sci. Res., Ft. Detrick, Bldg. 1301, Frederick, MD 21701
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Abstract

The butoxyethyl ester of triclopyr {[(3,5,6-trichloro-2-pyridinyl)oxy] acetic acid} was more effective than either the triethylamine salt formulation or an equivalent combined rate of the butoxyethyl esters of triclopyr plus 2,4-D [(2,4-dichlorophenoxy)acetic acid] (1:2, w/w) for the control of Virginia creeper [Parthenocissus quinquefolia (L.) Planch. # PRTQU]. Carrier volume did not affect 14C-triclopyr absorption and distribution, but control generally was greater after high carrier-volume application (281 L/ha) because the dense Virginia creeper canopy was thoroughly penetrated. In orchards, Virginia creeper was controlled by triclopyr ester at 0.6 kg ae/ha through the second season after treatment if foliage was covered thoroughly.

Keywords

2,4-Dlow volumetranslocationformulationsPRTQU
Type
Research
Information
Weed Technology , Volume 2 , Issue 1 , January 1988 , pp. 31 - 35
Copyright
Copyright © 1988 by the Weed Science Society of America 

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References

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