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Gains in Timothy Forage from Goldenrod Control with 2,4-D, 2,4-DB, and Picloram

Published online by Cambridge University Press:  12 June 2017

E. J. Peters  and
S. A. Lowance
E. J. Peters
Affiliation:
Crops Research Division, Agr. Res. Ser., U. S. Dep. of Agr., Columbia, Missouri
S. A. Lowance
Affiliation:
Crops Research Division, Agr. Res. Ser., U. S. Dep. of Agr., Columbia, Missouri
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Abstract

Postemergence applications of 0.5 and 1.0 lb/A of a potassium salt of 4-amino-3,5,6-trichloropicolinic acid (picloram) killed all or nearly all of the goldenrod (Solidago nemoralis Ait.) growing with timothy (Phleum pratense L.). Two lb/A of butoxy ethanol ester or dimethylamine salt of (2,4-dichlorophenoxy)acetic acid (2,4-D), and 1 and 2 lb/A of butoxy ethanol ester of 4-(2,4-dichlorophenoxy) butyric acid (2,4-DB) reduced yields of goldenrod 75 to 95%. Lower rates of herbicides were relatively unsatisfactory for controlling goldenrod. Timothy was not injured by the herbicides and yields increased 0.8 and 1.0 lb for each 1.0 lb of weeds that failed to grow.

Type
Research Article
Information
Weed Science , Volume 17 , Issue 4 , October 1969 , pp. 473 - 474
Copyright
Copyright © 1969 Weed Science Society of America 

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References

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