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Planning Ahead: Weed Management Tips for 2020

September 25, 2019
this agronomic image shows waterhemp.

As the 2019 growing season comes to an end, there are lessons we can reflect on as we start preparing for the 2020 season. After a year that saw flood waters transporting weed seed, wet fields making it difficult to plant (let alone make timely herbicide applications) and unplanted fields growing future weed problems, prioritizing weed management and choosing herbicide programs that will work best for the heavy weed pressures your farm may experience are crucial to maximizing next year’s yield potential.

In recent interviews with AgriTalk, Mike Leetch and Leon Hunter, agronomy service managers for Syngenta, share some tips to keep in mind as you start making your 2020 plans.

  • Create diversity by using cover crops, in-row cultivation and crop rotation.
  • Use good agronomic practices at planting – narrow rows, increased plant populations and other practices that promote crop growth and competitive ability.
  • Choose herbicide programs with multiple effective sites of action (SOAs) and overlapping residuals. Also consider the herbicides and SOAs used in the previous season, and as you rotate crops, be sure you’re rotating SOAs to help manage against resistance.
  • Start each season with clean fields. Using effective burndown and residual herbicides at full labeled rates can ensure your fields are gutted of potential weeds.

The ultimate goal is to manage weeds and keep them from going to seed. When looking at herbicides, Syngenta has several product options to fit the wide range of field needs. Our preemergence corn and soybean herbicides give you the flexibility and residual control you need to get crops in the ground. Our post-emergence products also deliver residual control to prevent weeds from going to seed.

Corn Weed Management Options

  • Apply Acuron® herbicide preemergence at the full, labeled rate or in a split-shot application with half of the full rate applied preemergence followed by the other half of the full rate applied post-emergence tank mixed with glyphosate. In trials, Acuron delivered 5 to 15 more bushels per acre than other corn herbicides*.
  • Apply preemergence herbicides like Lumax® EZ or Lexar® EZ followed by a post-emergence herbicide like Acuron, Acuron Flexi or Halex® GT.

Soybean Weed Management Options

We recommend discussing your weed management options with your local retailer or Syngenta sales representative. Listen to more of what our agronomic service managers have to say about weed management next season:

Mike Leetch, agronomy service manager for the western Midwest.

Leon Hunter, agronomy service manager for the eastern Midwest.

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*Acuron yield advantage based on 2016 Syngenta and university trials comparing Acuron to Corvus®, Resicore®, SureStart® II and Verdict®. Herbicides applied preemergence and at full labeled rates.

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