• Crop Protection
  • Apr 06, 2020

Look Beyond Your Seed’s Traits for Successful Weed Control


 

Early emerging soybean field

Planting herbicide-resistant seed is the new norm for most farmers. And while postemergence applications are certainly important, to protect the trait technology and to get more effective weed control, it’s crucial to build a season-long strategy that relies on layered residual herbicides with multiple modes of action. The extra upfront planning and investment will save you headaches later on, because once weed populations are established, they’re more costly to control.

Residual herbicides, by definition, offer a longer window of weed control due to their persistence in the soil. That feature alone helps explain why they’re an important component of a successful weed-management program. Here’s why an extended window of coverage should be an essential component of your herbicide strategy.

  1. Better weed control. Because you get an extended window of coverage, you’ll get better control of late-germinating and newly emerged weeds.

  2. More flexibility. The extended protection of residual herbicides allows more time to make postemergence herbicide applications, in the event that bad weather or logistical challenges prevent you from getting into fields.

  3. Less pressure on postemergence applications. If you’ve started with a burndown and a solid residual program, fields should be fairly clean when you make a postemergence herbicide application. Any remaining weeds should be small and more effectively controlled with a postemergence application.

  4. More effective herbicide-resistance management. Layering residual herbicides with multiple modes of action throughout the season helps control herbicide-resistant populations in your fields and helps prevent new herbicide-resistant populations from developing. 

Herbicide-resistant traits are a valuable tool to help control weeds, but there are more essential components of a strong weed-management program. To steward the technology and get more effective weed control, a comprehensive season-long strategy should include multiple residual herbicides with different modes of action. For more information on developing a strong weed management strategy, speak with your WinField United retailer.

 

This article was originally published in February 2019 and was updated in April 2020.

 
All photos are either the property of WinField United or used with permission.

© 2020 WinField United. Important: Before use always read and follow label instructions. Crop performance is dependent on several factors many of which are beyond the control of WinField United, including without limitation, soil type, pest pressures, agronomic practices, and weather conditions. Growers are encouraged to consider data from multiple locations, over multiple years, and be mindful of how such agronomic conditions could impact results. WinField is a trademark of WinField United.




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