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Protection of Corn (Zea mays) from Acetanilide Herbicidal Injury with the Antidote R-25788

Published online by Cambridge University Press:  12 June 2017

J. R. C. Leavitt  and
Donald Penner
J. R. C. Leavitt
Affiliation:
Pestic. Res. Center, Dep. Crop Soil Sci., Michigan State Univ., East Lansing, MI 48824
Donald Penner
Affiliation:
Pestic. Res. Center, Dep. Crop Soil Sci., Michigan State Univ., East Lansing, MI 48824
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Abstract

The antidote R-25788 (N,N-diallyl-2,2-dichloroacetamide) protected corn (Zea mays L. ‘DeKalb 315A’) seedlings from injury caused by the acetanilide herbicides, alachlor [2-chloro-2′,6′-diethyl-N-(methoxymethyl)acetanilide], metolachlor [2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide], H-22234 [N-chloroacetyl-N-(2,6-diethylphenyl)glycine ethyl ester], and H-26910 [N-chloroacetyl-N-(2-methyl-6-ethylphenyl)glycine isopropyl ester] in a greenhouse study. R-25788, however, did not protect four weed species tested. R-25788 only partially protected corn from injury caused by acetochlor [2-chloro-N-(ethoxymethyl)-6′-ethyl-o-acetotoluidide]. R-25788 was an effective antidote whether applied preemergence, preplant-incorporated, or as a tank mix. Injury symptoms caused by EPTC (S-ethyl dipropylthiocarbamate) and the acetanilide herbicides were similar; both caused leaf twisting and rolling, and at high rates leaves failed to emerge through the coleoptile.

Keywords

EPTCalachlormetolachlorH-22234H-26910acetochlor
Type
Research Article
Information
Weed Science , Volume 26 , Issue 6 , November 1978 , pp. 653 - 659
Copyright
Copyright © 1978 by the Weed Science Society of America 

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References

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