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Uptake and Translocation of Selected Herbicides in Mugwort

Published online by Cambridge University Press:  12 June 2017

A. B. Rogerson  and
S. W. Bingham
A. B. Rogerson
Affiliation:
Virginia Polytechnic Institute and State Univ. Agr. Chem. Div., Uniroyal, Inc., Raleigh, North Carolina
S. W. Bingham
Affiliation:
Virginia Polytechnic Institute and State Univ., Blacksburg, Virginia
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Abstract

Four 14C-labeled herbicide solutions were used to determine uptake and translocation patterns in mugwort (Artemisia vulgaris L.) roots. The 14C-(2,3,6-trichlorophenyl)acetic acid (14C-fenac) was bound in the roots and rhizomes and structures initiated on the rhizomes were heavily labeled. Little movement of 14C-isomers of fenac or 14C-fenac occurred from point of application on leaves. Rhizomes devoid of roots did not offer an appreciable avenue for entry of 2-chloro-4,6-bis-(ethylamino)-s-triazine (14C-simazine) into mugwort. Little movement of 3-amino-s-triazole (14C-amitrole) occurred from primary to secondary plants. Uptake of 14C-fenac was not increased appreciably by pretreatment of the plant root-rhizome system with (2,4-dichlorophenoxy)acetic acid (2,4-D), 2,4-dinitrophenol (DNP), or simazine.

Type
Research Article
Information
Weed Science , Volume 19 , Issue 4 , July 1971 , pp. 325 - 329
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

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