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You Are Here Growers > Weeds > Foxtail




Foxtail - Green and Yellow

Foxtail
Green Foxtail (Setaria virdis) and Yellow Foxtail (Setaria Lutescens) are the most prolific grassy weeds in sunflower, especially in the northern states. Green foxtail was identified as the second most important weed species found in 2008 sunflower fields in South Dakota. Foxtail is most competitive with sunflower prior to canopy closure taking both nutrients and soil moisture. Foxtail is a warm season plant requiring soil temperatures of 60º for germination.


Control Strategies

Foxtail
1. Pre-plant options include Eptam, Prowl, Sonalan, Dual Magnum and Trifluralin all provide good to excellent control of these weed species

2. Post-emerge herbicides providing excellent control include Beyond¹, Poast, Select, Assure II, Targa, Prism and Arrow 2EC




Additional Links

Colorado Weed Management Guide (link)

Glyphosate, Weeds, and Crops (link)

KSU Weed Publications (link)

NDSU Crop Production and Marketing (link)

SDSU Weed Control in Oilseed Crops (link)

Sunflower labeled Herbicides (link)

Contact the chemical companies to obtain a copy of the label.

Footnotes

(1) Beyond herbicide is specific to CLEARFIELD® hybrids only. Clearfield hybrids have been developed with a resistant gene to Beyond herbicide. Applying Beyond herbicide on non-Clearfield hybrids will result in extensive damage.



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