2020 Wisconsin Weed Science Research Report

by Ryan DeWerff (UW-Madison Weed Science Research Specialist), Nicholas Arneson (UW-Madison Weed Science Outreach Specialist), and Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist).

The purpose of this report is to share the results of corn and soybean herbicide evaluation research trials conducted by the Wisconsin Cropping Systems Weed Science Program during the 2020 growing season. Information in this report does not constitute a recommendation or endorsement of any particular product or practice. Information in this report also does not replace any information presented on herbicide labels.

To download the 2020 Wisconsin Weed Science Research Report, CLICK HERE (PDF FILE).

Please do not reproduce information presented within this report for public distribution without the expressed written consent from Dr. Rodrigo Werle.

2020 Research Trials:

Corn Weed Control Trials

  • Bayer Corn Herbicide Programs
  • Shieldex Weed Control and Crop Safety
  • Corn Herbicide Evaluation: 1 and 2-pass Programs with Atrazine
  • Anthem Maxx Corn Herbicide Programs
  • Evaluation of Acuron GT in a One Pass System
  • Evaluation of Acuron GT in a Two Pass System
  • Evaluation of Acuron XR/Acuron Flexi in a 1 and 2 Pass System
  • Sinate Corn Herbicide Programs

Soybean Weed Control Trials

  • XtendFlex Soybean Herbicide Programs
  • Valent Herbicides in Enlist Soybeans
  • Authority Brand Herbicide Programs in Enlist Soybeans
  • Liberty and Enlist Efficacy in Enlist Soybean - BASF
  • Liberty and Enlist Efficacy in Enlist Soybean - Corteva
  • Syngenta Herbicide Programs in Enlist Soybean
  • Utility of Layering Residual Herbicides in Soybean
  • Liberty Tank Mix Combinations for Waterhemp Control
  • Liberty and Engenia in XtendFlex Soybean
  • Expanding Residual Control with Alite 27
  • Evaluation of Soybean Soil Residual Herbicides - Giant Ragweed

Bareground Weed Control Trials

  • Burndown Programs for 8-12” Marestail
  • Evaluation of Roundup PowerMAX 3
  • Burndown Control of Waterhemp and Giant Ragweed

New This Year

  • Summary of Giant Ragweed Control in Corn
  • Summary of Waterhemp Control in Soybean


2020 WiscWeeds Team