WiscWeeds Research Reports

2024 Research Reports

• 2024 Wisconsin Weed Science Research Report (PDF)

2024 Corn Weed Control Trials (field images):

• Corn Herbicide Showcase 1 and 2-Pass Programs with Atrazine (PDF)

• Corn Herbicide Showcase 1 and 2-Pass Programs without Atrazine (PDF)

• Corn Herbicide Tank Mixes with Status (PDF)

• Herbicide Programs for Conventional Corn (PDF)

• PSII and HPPD Herbicide POST Tank Mixes - Giant Ragweed (PDF)

• PSII and HPPD Herbicide POST Tank Mixes – Waterhemp (PDF)

• Storen Weed Control and Crop Safety (PDF)

• Two-Pass Corn Herbicide Programs with Maverick (PDF)

• Weed Control and Crop Safety with Surtain (PDF)

• Weed Management in Short Statured Corn (PDF)

2024 Soybean Weed Control Trials (field images):

• Voraxor Tank Mixed with Residuals Preplant Burndown Control (PDF)

• Enversa and Group 15 Herbicides Layered Residual Comparison (PDF)

• Evaluation of Layered Residual Herbicide Programs in Enlist Soybean (PDF)

• Evaluation of Metribuzin Tank Mixes for Waterhemp Control (PDF)

• Evaluation of POST Herbicide Tank Mixes in Enlist Soybean (PDF)

• Fomesafen and Group 15 Herbicides Layered Residual Comparison (PDF)

• Group 15 Herbicide Comparison (PDF)

• Lead with Liberty ULTRA (PDF)

• Liberty ULTRA Product Comparison (PDF)

• Metribuzin in Early Planted Soybean (PDF)

• Soybean Herbicide Programs for Giant Ragweed Management (PDF)

• Soybean Herbicide Programs for Giant Ragweed Management - Soybean Injury (PDF)

2024 Bareground Weed Control Trials (field images):

• Syngenta Corn Herbicides Residual Waterhemp Control (PDF)

• Postemergence Foliar Control of Waterhemp (PDF)

2024 General Reports:

• Cereal rye cover crop, PRE emergence herbicide fate, and pigweed residual control: Considerations learned from a multi-state field study (PDF)

• Giant Ragweed Control Research Summary 2018-2023 (PDF)

2023 Research Reports

• 2023 Wisconsin Weed Science Research Report (PDF)

2023 Corn Weed Control Trials (field images):

• Albaugh PRE Corn Herbicide Programs (PDF)

• Components of Corn Herbicide Premixes Comparison (PDF)

• Corn Herbicide Showcase 1 and 2-Pass Programs with Atrazine (PDF)

• Corn Herbicide Showcase 1 and 2-Pass Programs without Atrazine (PDF)

• DiFlexx Paired Soil Residual Herbicide Programs (PDF)

• Herbicide Programs for Conventional Corn (PDF)

• Maverick Herbicide PRE Weed Control Comparisons (PDF)

• Maverick Herbicide Split-Application Comparisons (PDF)

• Storen Giant Ragweed Control Comparisons (PDF)

• Storen Weed Control and Crop Safety (PDF)

• Surtain Weed Control and Crop Safety (PDF)

• Syngenta Corn Herbicide Programs Following a Winter Rye Cover Crop (PDF)

2023 Soybean Weed Control Trials (field images):

• Authority Brand Soybean Herbicide Programs (PDF)

• Evaluation of Layered Residual Herbicide Programs in Enlist Soybean (PDF)

• Evaluation of No-Till Herbicide Programs in Enlist Soybean (PDF)

• Syngenta Herbicide Programs in Enlist Soybean (PDF)

• Syngenta Soybean Herbicide Programs Following a Winter Rye Cover Crop (PDF)

• Xtendimax Paired Soil Residual Herbicide Programs (PDF)

• Zidua PRO Residual Weed Control Comparisons (PDF)

2023 Spring Wheat Weed Control Trial (field images):

• Anthem Flex Residual Control in Spring Wheat (PDF)

2023 General Reports:

• Soybean PRE Herbicide Evaluation in Challenging Soils (PDF)

• Waterhemp Got You Worried? WiscWeeds’ Been There, Done That (Story Map)

• Waterhemp Research Summary: What We Have Learned from 5 Years of Chemical Waterhemp Control in Soybean (PDF)

• The Six R’s of Waterhemp Management in Soybeans (PDF)

2022 Research Reports

• 2022 Wisconsin Weed Science Research Report (PDF)

2022 Corn Weed Control Trials (field images):

• Acuron GT Performance Demo (PDF)

• Corn Herbicide Showcase 1 and 2-Pass Programs with Atrazine (PDF)

• Corn Herbicide Showcase 1 and 2-Pass Programs without Atrazine (PDF)

• Evaluation of Corn PRE-Emergence Herbicides - Janesville (PDF)

• Evaluation of Corn PRE-Emergence Herbicides - Lancaster (PDF)

• Herbicide Programs for Conventional Corn - Arlington (PDF)

• Herbicide Programs for Conventional Corn - Brooklyn (PDF)

• POST and Sequential Weed Control with Maverick (PDF)

2022 Soybean Weed Control Trials (field images):

• Authority Brand Soybean Herbicide Programs - Brooklyn (PDF)

• Authority Brand Soybean Herbicide Programs - Janesville (PDF)

• Evaluation of Layered Residual Herbicide Programs in Enlist Soybean (PDF)

• Evaluation of Tendovo for Residual Weed Control and Crop Safety (PDF)

• Preview 2.1SC Herbicide Programs in Enlist Soybean (PDF)

• Reviton Burndown Programs in Soybean (PDF)

• Waterhemp Management in Early Planted Enlist Soybean (PDF)

• XtendFlex Soybean Herbicide Program Recommendations without Dicamba (PDF)

• XtendFlex Soybean Herbicide Programs (PDF)

• XtendFlex Soybean Herbicide Programs for ESA Counties (PDF)

• XtendiMax Paired Soil Residual Herbicide Programs (PDF)

2022 General Reports:

• Concerned about herbicide carryover with interseeded cover crops? Try a bioassay! (YouTube Video)

• No Time to Panic When Your Sweet Corn Field Sours (Story Map)

• Palmer amaranth: The Pest That Doesn’t Pull Any Punches (Story Map)

• Don’t Catch My Drift? Let’s Check Under the Spray Hood (Story Map)

• Cereal Rye Cover Crop Management in Wisconsin (PDF)

• Winter Wheat Rotational Restrictions Following Soybean Residual Herbicides (PDF)

• Weed Suppression in Corn-Soy Systems with Cereal Rye (Story Map)

• WISCWEEDS RESEARCH UPDATE SERIES, Article 8: Influence of Integrated Agronomic and Weed Management Practices on Soybean Canopy Development and Yield (PDF)

2021 Research Reports

• 2021 Wisconsin Weed Science Research Report (PDF)

2021 Corn Weed Control Trials (field images):

• Evaluation of Corn PRE-Emergence Herbicides (PDF)

• Weed Control and Crop Safety with EPOST Herbicide Applications (PDF)

• Shieldex Weed Control and Crop Safety (PDF)

• Reviton Burndown Programs in Corn (PDF)

• Restraint Weed Control and Crop Safety (PDF)

• POST and Sequential Weed Control with Maverick (PDF)

• Evaluation of Acuron GT in a Two-Pass System (PDF)

• Corn Herbicide Showcase (PDF)

• Bayer and Valent Corn Herbicide Programs (PDF)

2021 Soybean Weed Control Trials (field images):

• XtendiMax Paired Soil Residual Herbicide Programs (PDF)

• XtendFlex Soybean Herbicide Programs (PDF)

• XtendFlex Soybean Herbicide Programs for ESA Counties (PDF)

• Reviton Burndown Programs in Soybean (PDF)

• MON 301668 Residual Weed Control and Crop Safety (PDF)

• Liberty Tank Mix Combinations - Crop Tolerance (PDF)

• Evaluation of Tendovo for Residual Weed Control and Crop Safety (PDF)

• Evaluation of Preview 2.1SC for Residual Weed Control and Crop Safety (PDF)

• Evaluation of Layered Residual Herbicide Programs in Enlist Soybean (PDF)

• Authority Supreme-Edge and Anthem Maxx Herbicide Programs (PDF)

2021 Bareground Weed Control Trials (field images):

• Burndown Control of Giant Ragweed (PDF)

2021 General Reports:

• 2021 WiscWeeds Comparison of Herbicide Programs for Conventional Corn (PDF)

• Understanding Dicamba Volatility (PDF)

• WISCWEEDS RESEARCH UPDATE SERIES, Article 7: Preemergence Herbicides, Not Carrier Volume, Impacted Weed Management in Conventional Tillage Systems (PDF)

• Application Window for Soybean Herbicides with Soil Residual Activity (PDF)

• 2021 WiscWeeds Herbicide Comparison for Residual Weed Control in Soybeans on Sandy Soils (PDF)

• 2021 WiscWeeds Herbicide Comparison for Residual Weed Control in Corn (PDF)

• WISCWEEDS RESEARCH UPDATE SERIES, Article 6: Large scale evaluation of 2,4-D choline off-target movement and injury in 2,4-D susceptible soybean (PDF)

• WISCWEEDS RESEARCH UPDATE SERIES, Article 5: Evaluating efficacy of preemergence soybean herbicides using field treated soil in greenhouse bioassays (PDF)

• WISCWEEDS RESEARCH UPDATE SERIES, Article 4: Influence of PRE-emergence herbicides on soybean development, root nodulation and symbiotic nitrogen fixation (PDF)

2020 Research Reports

• 2020 Wisconsin Weed Science Research Report (PDF)

2020 Corn Weed Control Trials (field images):

• Bayer Corn Herbicide Programs (PDF)

• Shieldex Weed Control and Crop Safety (PDF)

• Corn Herbicide Evaluation 1 and 2-Pass Programs with Atrazine (PDF)

• Anthem Maxx Corn Herbicide Programs (PDF)

• Evaluation of Acuron GT in a One Pass System

• Evaluation of Acuron GT in a Two Pass System (PDF)

• Evaluation of Acuron XR and Acuron Flexi XR (PDF)

• Sinate Corn Herbicide Comparison (PDF)

2020 Soybean Weed Control Trials (field images):

• XtendFlex Soybean Herbicide Programs (PDF)

• Valent Herbicides in Enlist Soybeans (PDF)

• Authority Brand Herbicide Programs in Enlist Soybeans (PDF)

• Liberty and Enlist Efficacy in Enlist Soybean - BASF (PDF)

• Liberty and Enlist Efficacy in Enlist Soybean - Corteva (PDF)

• Syngenta Herbicide Programs in Enlist Soybeans (PDF)

• Utility of Layering Residual Herbicides in Soybean (PDF)

• Liberty Tank Mix Combinations for Waterhemp Control (PDF)

• Liberty and Engenia in XtendFlex Soybean (PDF)

• Expanding Residual Control with Alite 27 (PDF)

• Evaluation of Soybean Soil Residual Herbicides - Giant Ragweed (PDF)

2020 Bareground Weed Control Trials (field images):

• Evaluation of Roundup PowerMAX 3 (PDF)

• Burndown Control of Giant Ragweed (PDF)

• Burndown Control of Glyphosate-Resistant Waterhemp (PDF)

2020 General Reports:

• WISCWEEDS RESEARCH UPDATE SERIES, Article 3: Influence of sulfentrazone and metribuzin applied preemergence on soybean development and yield (PDF)

• 2020 Pest Management Update Meetings: WiscWeeds Research Update (PDF)

• WISCWEEDS RESEARCH UPDATE SERIES, Article 2: Soybean injury as influenced by synthetic auxin formulation and spray additives (PDF)

• WISCWEEDS RESEARCH UPDATE SERIES, Article 1: Spray solution pH as influenced by synthetic auxin formulation and spray additives (PDF)

• Weed Seed Movement Via Combines: 2019-2020 Case Study (PDF)

• Weed Seed Management at Crop Harvest (PDF)

• 2020 WiscWeeds Comparison of POST-emergence Corn and Soybean Herbicides (Slides)

• 2020 Post-emergence Corn and Soybean Herbicide Product Restrictions for Broadcast Applications (PDF)

2019 Research Reports

• 2019 Wisconsin Weed Science Research Report (PDF)

2019 Corn Weed Control Trials (field images):

• Bayer Integrated Corn Herbicide Programs (PDF)

• Corn Herbicide Evaluation: 1- and 2-pass Programs with Atrazine (PDF)

• Systems Approach to Weed Management in Corn (PDF)

2019 Soybean Weed Control Trials (field images):

• Tavium Plus VaporGrip Efficacy in Xtend (PDF)

• Authority Brand Programs Efficacy in Soybean (PDF)

• Evaluation of Soybean Soil Residual Herbicides - Brooklyn (PDF)

• Evaluation of Soybean Soil Residual Herbicides - Fond du Lac (PDF)

• Liberty and Enlist One/Enlist Duo Efficacy in Enlist Soybean (PDF)

• Valent Herbicides in a Liberty Link System (PDF)

2019 General Reports:

• 2019 Pest Management Update Meetings: WiscWeeds Research Update (PDF)

• Residual Control of Waterhemp with PRE-emergence Herbicides in Soybean (PDF)

• 2019 WiscWeeds Comparison of Soil Residual Herbicides in Corn (PDF)

• 2019 Wisconsin large-scale 2,4-D drift trial (Vimeo Video)

• Cover crops after corn silage: spring termination options (YouTube Video)

• Early-season soybean herbicide injury (YouTube Video)

• Another herbicide-resistant Palmer amaranth population detected in WI (YouTube Video)

• Weed Talk: Getting the most out of glufosinate (Vimeo Video)

• Industrial hemp herbicide carryover considerations (YouTube Video)

• Considerations prior to cereal rye cover crop termination (Vimeo Video)

2018 Research Reports

• 2018 Wisconsin Weed Science Research Report (PDF)

• 2018 UW Waterhemp Challenge: Comparison of Soil Residual Herbicides (PDF)

• 2018 Large-Scale Dicamba Drift Study (YouTube Video)

• 2018 Tips on Waterhemp Management in Wisconsin Soybeans (YouTube Video)

• 2018 Update on Herbicide Resistant Weeds in Wisconsin (YouTube Video)

2017 Research Reports

• 2017 Nebraska Dicamba Survey (YouTube Video)

• 2017 Nebraska Cover Crop and Weed Control Survey (YouTube Video)

• 2017 Cover Crop Termination (YouTube Video)