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Laboratory Studies on the Behavior of the Herbicide Safener CGA-43089

Published online by Cambridge University Press:  12 June 2017

A. Nyffeler ,
H. R. Gerber  and
J. R. Hensley
A. Nyffeler
Affiliation:
Research and Develop. Dep., Agric. Chem. Div., CIBA-GEIGY Ltd., Basle, Switzerland
H. R. Gerber
Affiliation:
Research and Develop. Dep., Agric. Chem. Div., CIBA-GEIGY Ltd., Basle, Switzerland
J. R. Hensley
Affiliation:
Research and Develop. Dep., Agric. Div., CIBA-GEIGY Corp., Vero Beach, FL 32960
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Abstract

CGA-43089 [α-(cyanomethoximino)-benzacetonitrile] applied as a seed treatment enables sorghum [Sorghum bicolor (L.) Moench] to tolerate metolachlor [2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide]. Improved tolerance of alexandergrass [Brachiaria plantaginea, (Link) A. Hitchc.] Eleusine spp., proso millet (Panicum miliaceum L.) and rice (Oryza sativa L.) to metolachlor also was demonstrated. Seven sorghum cultivars, representing widely divergent types of germplasm, responded similarly to the safening effect of CGA-43089 when the cultivars were exposed to metolachlor. Treated sorghum seed may be stored more than 1 yr without a loss of safening activity. In these growth chamber experiments, neither extremes of soil moisture nor temperature reduced the effectiveness of the safener. The predominant site of uptake of CGA-43089 is the coleoptile of sorghum seedlings.

Keywords

Herbicide antidotemetolachlorsorghum
Type
Research Article
Information
Weed Science , Volume 28 , Issue 1 , January 1980 , pp. 6 - 10
Copyright
Copyright © 1980 by the Weed Science Society of America 

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References

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