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Control of Wild Oats in Oats by Barban Plus Antidote

Published online by Cambridge University Press:  12 June 2017

F. Y. Chang ,
G. R. Stephenson ,
G. W. Anderson  and
J. D. Bandeen
F. Y. Chang
Affiliation:
Dep. of Environmental Biology; Univ. of Guelph, Guelph, Ontario, Canada
G. R. Stephenson
Affiliation:
Dep. of Environmental Biology; Univ. of Guelph, Guelph, Ontario, Canada
G. W. Anderson
Affiliation:
Dep. of Crop Sci.; Univ. of Guelph, Guelph, Ontario, Canada
J. D. Bandeen
Affiliation:
Dep. of Crop Sci.; Univ. of Guelph, Guelph, Ontario, Canada
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Abstract

Growth room and field studies indicated that coating the seeds of oats (Avena sativa L.) with NA (1,8-naphthalic anhydride) at rates of 0.5 to 1% by seed weight significantly reduced the phytotoxicity of barban (4-chloro-2-butynyl m-chlorocarbanilate) applied to the foliage at rates up to 1.2 kg/ha. Complete protection was obtained when barban was applied at 0.4 kg/ha, the highest rate recommended for the control of wild oats (Avena fatua L.) in cereal crops. Treatment of oat seeds with this antidote did not reduce the herbicidal effect of barban on wild oats grown in the same soil. Thus, coating oat seeds with the antidote may allow the use of barban for the selective control of wild oats in oat crops. NA seed treatment also slightly reduced oat injury from diallate [S-(2,3-dichloroallyl)diisopropylthiocarbamate] and triallate [S-(2,3,3-trichloroallyl)diisopropylthiocarbamate].

Type
Research Article
Information
Weed Science , Volume 22 , Issue 6 , November 1974 , pp. 546 - 548
Copyright
Copyright © 1974 by the Weed Science Society of America 

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References

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