Agronomy Talk

Herbicide Insights: Wheat-Fall Burndown/Residual vs. Spring Burndown

Published on Monday, September 27, 2021

Ben Wiegmann, Beck’s Field Sales Agronomist, reviews the details of the “Weed Management in Wheat” 2021 Herbicide Insight Plot. The purpose of this study is to determine how newer wheat herbicide labels such as Sharpen® and Zidua® SC compare to traditional wheat herbicides. The goal is to evaluate if the residual in the fall will provide adequate control in the spring. The study will also look at various spring treatments. Watch to learn more about the purpose and value of each application in this video. See below for the treatments reviewed in this wheat study.

Herbicide Treatments:

  • 1.5 oz. Sharpen – Application @ Pre-Emerge
  • 3.0 oz. Sharpen – Application @ Pre-Emerge
  • 2.5 oz. Zidua SC – Application @ Delayed Pre-Emerge – with 80% of emerged wheat with at least a ½ in. shoot to spiking
  • 2 oz. Metribuzin – Application @ Two-tiller wheat stage
  • 3.5 oz. PowerFlex® + 0.25% NIS – Application @ Jointing to 3 months prior to double crop planting
  • 0.9 oz. Harmony Extra® + 0.25% NIS @ Prior to flag leaf
  • 0.75 oz. Qualex® – Application @ Prior to flag leaf to 3 months prior to double crop planting
  • 16 oz. Brash® – Application @ Prior to 6th leaf


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Ben Wiegmann

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