Plan for Timely Postemergence Soybean Herbicide Applications

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A postemergence herbicide application is an important part of a soybean weed control program.

These days, it’s commonly understood that proper weed control can no longer be accomplished with a one-and-done approach. A full program approach — which includes burndown, preemergence and postemergence solutions containing multiple modes of action and residual control — is needed to control the most difficult weeds farmers face. A program approach is also needed to help prevent further herbicide resistance from developing in weeds.

At this point in the season, it’s likely that your corn and soybean customers are focused on preemergence herbicide applications and corn planting. However, if you work with soybean farmers, now is a good time to remind them to have a plan in place for a timely postemergence application.

You can help your customers scout their soybean fields following preemergence applications.

If you find weed escapes, you may need to rework their postemergence spraying plans.

A different solution may be necessary to control those weeds.


If you do not find any weed escapes, it’s still a good idea to go through with a postemergence herbicide application. Keeping fields clean all season long will help prevent weeds from robbing soybeans of sunlight and nutrients, paving the way for better yield.

Postemergence Soybean Herbicides

Corteva Agriscience offers a variety of strong and flexible postemergence soybean herbicide solutions to meet your customers needs. Here’s a look at a few of those:

  • DuPont EverpreX® herbicide — EverpreX offers farmers the flexibility of a wide application window. The solution can be applied up to 90 days before harvest. EverpreX provides residual control of ALS-, PPO- and glyphosate-resistant weeds like Palmer amaranth and waterhemp.
  • Synchrony® XP herbicide — Synchrony XP is an affordable tank-mix partner that boosts glyphosate activity in postemergence applications. The solution helps control troublesome weeds like lambsquartersmorningglory and velvetleaf.
  • Enlist One® herbicide — Farmers who grow Enlist E3® soybeans can use Enlist One herbicide. The solution is a straight-goods 2,4-D choline that offers tank-mix flexibility and exceptional weed control designed to land and stay on target. Using Enlist One in a tank mix allows farmers to customize their program to match their weed spectrum.
  • Enlist Duo® herbicide — Farmers who grow Enlist E3 soybeans can use Enlist Duo herbicide. The solution is a convenient, proprietary blend of 2,4-D choline and glyphosate that delivers strong weed control and helps prevent herbicide resistance.

Regardless of which chemistries your customers choose, applying multiple modes of action with residual activity is a great way to wrap up their weed control program approach this season. Keeping soybeans as clean as possible for as long as possible helps ensure maximum yield potential.

The transgenic soybean event in Enlist E3® soybeans is jointly developed and owned by Dow AgroSciences LLC and MS Technologies LLC. Enlist Duo® and Enlist One® are not registered for sale or use in all states. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your area. Enlist Duo and Enlist One herbicides are the only 2,4-D products authorized for use with Enlist crops. DuPont EverpreX® and Synchrony® XP are not registered for sale or use in all states. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your state. Always read and follow label directions.