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Updated: August 8, 2017
Regarding some of the popular PPO/Group 14 soybean herbicides (e.g., Valor products, Envive, Fierce, Trivence, Authority products, Sonic, Surveil, others), if using these in combination with Sharpen/Verdict/OpTill for control of marestail, there is a 14 day restriction before planting. So, if you tank mix Sharpen-containing products with another PPO/Group 14 residual herbicide you must wait 14 days to plant soybeans. Or if Sharpen is applied EPP in a burndown mix without the PPO residual product, then you must wait 2 weeks before applying the Group 14 residual herbicide at planting.
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