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  3. Weeds

Weeds

Successful cereal rye cover crop termination in soybean

Posted on March 16, 2023

If you are a soybean grower, you probably know that weed management programs utilizing high-biomass cereal rye (Secale cereale L.) cover crop in Wisconsin soybean systems and beyond are increasing in popularity. Multiple benefits, such …

Posted in Crops, WCM newsletter, WeedsTagged Werle

Lack of Effective Waterhemp Control, Group 14 soil residual herbicides

Posted on March 16, 2023

The UW-Madison WiscWeeds program has been promoting diversified integrated weed management practices to alleviate the selection pressure imposed by the recurrent use of commonly adopted herbicides due to concern with the alarming rate of herbicide …

Posted in WCM newsletter, WeedsTagged Werle

Wisconsin Palmer amaranth, where are you?

Posted on February 24, 2023

Arneson, Faleco & Werle, UW-Madison Agronomy Weed Science Show of hands, how many of you have heard of Palmer amaranth? We can’t see how many of you have raised your hands, but we are going …

Posted in WCM newsletter, WeedsTagged Werle

2022 WI Weed Science Research Report

Posted on February 3, 2023

The 2022 WI Weed Science Research Report is available! Report includes weed control, crop injury & yield data from 18 corn & soy trials conducted by the WiscWeeds team. The purpose of this report is …

Posted in WCM newsletter, WeedsTagged Werle

Metabolic Herbicide Resistance

Posted on September 22, 2022

Is Metabolic Herbicide Resistance the Straw That Will Break Weed Management’s Back? Jed Colquhoun, UW-Madison, Extension Weed Scientist In a long-term tillage research project in Kansas, a Palmer amaranth population was identified that was resistant …

Posted in WCM newsletter, WeedsTagged Colquhoun

2021 Wisconsin Weed Science Research Report

Posted on February 28, 2022

Ryan DeWerff, Nick Arneson, Rodrigo Werle, Extension Cropping Systems Weed Scientist, UW-Madison The purpose of this report is to share the results of corn and soybean herbicide evaluation research trials conducted by the Wisconsin Cropping …

Posted in WCM newsletter, WeedsTagged Werle

PRE-emergence Herbicide Selection for Early Planted Soybeans

Posted on November 23, 2021

Over the last two growing seasons (2020 and 2021), weather and soil conditions across southern Wisconsin were favorable for early soybean planting (see USDA NASS data below). Under suitable environmental conditions, planting soybean early is …

Posted in WCM newsletter, WeedsTagged Werle

Wisconsin Waterhemp Herbicide Resistance Project

Posted on September 3, 2021

Rodrigo Werle, Assistant Professor & Weed Specialist, Department of Agronomy, University of Wisconsin-Madison 2021 Wisconsin Waterhemp Herbicide Resistance Project (2,4-D, dicamba & glufosinate) Earlier this year we received a few complaints regarding lack of performance …

Posted in WCM newsletter, Weeds

Eight More Weed Identification Factsheets Available

Posted on May 28, 2021

Mark Renz UW Madison Professor and Extension Specialist Test your knowledge on identification of common weed species found in Wisconsin with four new and four updated weed identification factsheets (see table below). These describe key …

Posted in WCM newsletter, WeedsTagged Renz

Six New Weed Identification Factsheets Online

Posted on May 14, 2021

Mark Renz UW Madison Professor and Extension Specialist (mrenz@wisc.edu) Identification of weeds is a critical first step to management. This past winter/spring we have created new factsheets to assist with identification for some of Wisconsin’s …

Posted in WCM newsletter, Weeds
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