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Combination Effects of Acifluorfen with Crop Oil Concentrates and Postemergence Grass Herbicides

Published online by Cambridge University Press:  12 June 2017

Yong-Zheng Chen  and
Donald Penner
Yong-Zheng Chen
Affiliation:
Pestic. Res. Ctr., Dep. Crop and Soil Sci., Michigan State Univ., E. Lansing, MI 48824-1114
Donald Penner
Affiliation:
Pestic. Res. Ctr., Dep. Crop and Soil Sci., Michigan State Univ., E. Lansing, MI 48824-1114
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Abstract

Greenhouse studies were initiated to identify potential interactions of the postemergence herbicide acifluorfen {5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acid} with the postemergence grass herbicides sethoxydim {2-[1-(ethoxyimino) butyl]-5-[2-(ethylthio) propyl)-3-hydroxy-2-cyclohexen-1-one}, diclofop {2-[4-(2,4-dichlorophenoxy)phenoxy]propanoic acid}, and RO-13-8895 [acetone 0-(D-(2-(p-[(α,α,α-trifluoro-p-tolyl)oxy) phenoxy)propionyl)oxime}. Greatest control of barnyardgrass [Echinochloa crus-galli (L.) Beauv. # ECHCG] was obtained with the combination of acifluorfen and sethoxydim plus a crop oil concentrate. This combination increased foliar absorption of 14C-acifluorfen by barnyardgrass but not by soybean [Glycine max (L.) Merr. ‘Corsoy’]. The combination of acifluorfen with diclofop appeared to reduce phytotoxicity to barnyardgrass and increase it to soybean. Little or no interaction was observed in combinations of acifluorfen and RO-13-8895.

Keywords

SethoxydimdiclofopRO-13-8895ECHCGGlycine max
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 33 , Issue 1 , January 1985 , pp. 91 - 95
Copyright
Copyright © 1985 by the Weed Science Society of America 

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References

Literature Cited

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