About “Beyond the Rows”

Beyond the Rows is a Monsanto Company blog focused on one of the world’s most important industries, agriculture. Monsanto employees write about Monsanto’s business, the agriculture industry, and the farmer.
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Weed Management Strategies: Diversity is Still Key

By Greg Elmore, Technology Development Manager – Weed Management

This season, with new dicamba herbicide technology available to farmers and continuing discussions about glyphosate resistance, it’s especially important to remember to utilize a variety of weed control approaches to minimize the potential for selection of herbicide resistance. Farmers should keep in mind the importance of diversifying their weed management strategies, including using non-chemistry options as well as herbicides with multiple effective sites of action. This diversity is also key for the important task of properly managing new herbicides, like XtendiMax® with VaporGrip® Technology, to help create longevity for that technology.

Because no two fields are the same, farmers must have access to the right combination of products and practices that work best for their individual needs. For years, Monsanto has partnered with weed scientists, academics, agronomists and industry partners to help provide these weed management solutions to farmers. By combining efforts, like those noted below, farmers can continually evolve their weed management strategies and help minimize the potential for developing resistant weed populations.

  • Use multiple weed control approaches, which can include herbicides, cover crops, tillage, crop rotation and proper planting timing. Overusing any one tool, no matter how well that tool works, can lead to resistance. Choosing a diverse mix of products and practices is vital to both properly managing weeds and helping technologies endure on the farm.
  • When selecting herbicides, utilize the right combination of effective herbicides that fit your specific farm. This includes using herbicides from different site of action groups to help avoid developing weed populations that can be resistant to herbicides.
  • Implement best management practices, including controlling weeds before they reach four inches tall, utilizing herbicides at the right time and in the right rate and scouting fields following an herbicide application to ensure weed control, among others. The goal is to leave no weeds in the field that can set seed and contribute to future weed management challenges.
  • Ensure applicators understand and follow all label directions for any herbicide being used, including use rates, tank mix and nozzle requirements, wind speed requirements and all other label specifics. It is the responsibility of the applicator to comply with all product labels and state and local regulations.
  • Confirm spray pattern overlap and ensure adequate coverage of herbicide(s) by applying within current approved nozzle choice and pressure (visit xtendimaxapplicationrequirements.com for specific application requirements, including approved nozzles). In fields with increased weed pressure, increasing the spray volume applied per acre to 15GPA or greater is recommended.

Farmers with questions about weed management strategies or certain herbicides can get in touch with their local extension agent, agronomist or state or local pesticide regulatory agency. They also can check out Roundup Ready PLUS Crop Management Solutions, which provides expert weed management recommendations and best management practices, including emphasizing the importance of utilizing herbicides with multiple effective sites of action.

Want to know more about the latest crop protection tools or herbicide resistance? Visit roundupreadyxtend.com or ask us your questions at discover.monsanto.com.

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