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Flax (Linum usitatissimum) Response to Thifensulfuron Mixtures with Sethoxydim Plus Broadleaf Weed Herbicides

Published online by Cambridge University Press:  12 June 2017

Douglas A. Derksen  and
David A. Wall
Douglas A. Derksen
Affiliation:
Agric. and Agri-Food Canada, Box 1000A, RR #3, Brandon, MB, Canada, R7A 5Y3
David A. Wall
Affiliation:
Agric. and Agri-Food Canada, Box 1000A, RR #3, Brandon, MB, Canada, R7A 5Y3
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Abstract

Recently, roundleaved mallow, redroot pigweed, and annual smartweed species have become problems for flax producers in the Canadian prairies. The use of thifensulfuron to enhance weed control with commonly used herbicide mixtures was tested at Indian Head, SK and Morden, MB. Visible crop injury and reduced height, yield, and quality occurred at rates as low as 0.5–1.0 g/ha. Improved control of broadleaf weeds was not consistent and antagonism of grassy weed control with sethoxydim occurred.

Keywords

Sethoxydim, 2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-onethifensulfuron, 3-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)-amino]carbonyl]amino]sulfonyl]-2-thiophenecarboxylic acidannual smartweed species, Polygonum sp. # POLXXredroot pigweed, Amaranthus retroflexus L. # AMAREroundleaved mallow, Malva pusilla Sm. # MALPUflax, Linum usitatissimum L.BromoxynilMCPASetaria viridisAvena fatuaAMAREAVEFAMALPOPOLXXSETVI
Type
Research
Information
Weed Technology , Volume 10 , Issue 4 , December 1996 , pp. 795 - 802
Copyright
Copyright © 1996 by the Weed Science Society of America 

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References

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