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Herbicidal Control of Western Ironweed

Published online by Cambridge University Press:  12 June 2017

M. K. McCarty  and
Charles J. Scifres
M. K. McCarty
Affiliation:
Crops Research Division, Agr. Res. Serv., U. S. Dep. of Agr., Lincoln, Nebraska
Charles J. Scifres
Affiliation:
Crops Research Division, Agr. Res. Serv., U. S. Dep. of Agr., Lincoln, Nebraska
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Abstract

Applications of 2-methoxy-3,6-dichlorobenzoic acid (dicamba) and 2,4-dichlorophenoxyacetic acid (2,4-D) controlled top growth the year of treatment, but western ironweed (Vernonia baldwini Torr.) recovered in the following year. One-half lb/A or more of 4-amino-3,5,6-trichloropicolinic acid (picloram) effectively controlled top growth and destroyed roots and rhizomes. Treatment with 2 lb/A of picloram resulted in ironweed-free plots by the fourth season after treatment.

Type
Research Article
Information
Weed Science , Volume 17 , Issue 1 , January 1969 , pp. 77 - 79
Copyright
Copyright © 1969 Weed Science Society of America 

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References

Literature Cited

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