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Soil Water Content Affects the Activity of Four Herbicides on Green Foxtail (Setaria viridis)

Published online by Cambridge University Press:  12 June 2017

Rick A. Boydston
Rick A. Boydston*
Affiliation:
Agric. Res. Serv., U.S. Dep. Agric., Irrigated Agric. Res. and Ext. Ctr., Prosser, WA 99350
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Abstract

Low soil water content for 10 to 14 days before and 7 days after herbicide application reduced control of green foxtail with fenoxaprop, fluazifop-P, haloxyfop, and sethoxydim. Withholding irrigation for 10 to 14 days before herbicide application did not reduce control of green foxtail with normal use rates of herbicides if plots were irrigated at the time of application. Low soil water content reduced the activity of sethoxydim less than the other herbicides.

Keywords

Fenoxaprop, (±)-2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]propanoic acidfluazifop-P, (R)-2-[4-[[5-(trifluoromethyl)-2-pyridinyl]-oxy]phenoxy]propanoic acidhaloxyfop, 2-[4-[[3-chloro-5-(trifluoromethyl) - 2 - pyridinyl]oxy]phenoxy]propanoic acidsethoxydim, 2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-onegreen foxtail, Setaria viridis (L.) Beauv. # SETVIDrought stressirrigationmoisture stresswater stressfenoxapropfluazifop-PhaloxyfopsethoxydimSETVI
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 38 , Issue 6 , November 1990 , pp. 578 - 582
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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