Wet weather and cold temperatures have not only prevented the start of planting, they’ve prevented spring weed control. Ohio State University Extension offers 10 options for weed burndown, particularly in no-till.

1. In all mixtures containing glyphosate, increase rate to the equivalent of 1.5 to 2.2 lb ae/A.

2. One option is to just omit the 2,4-D ester and rely on glyphosate for the burndown. This is probably the worst choice on this list, but it can work in some fields.

3. Keep 2,4-D ester in the mix with glyphosate and wait another 7 days to plant.

4. Apply a combination of glyphosate, Sharpen (or other saflufenacil product), and MSO. Major drawback to this is that saflufenacil cannot be used in combination with residual products that contain flumioxazin (Valor) or sulfentrazone (Authority/Spartan) less than 14 days before planting.

5. Use Liberty (36 oz/A) for burndown. This should be applied with a metribuzin-containing herbicide.

Read more details and get more tips from Ohio State.

 

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