Waterhemp management in soybean was challenge for several Wisconsin farmers in 2019. The use of PRE-emergence herbicides is a foundation for effective waterhemp control; however, results from our “2018 weed management survey” indicated that the use of …
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2019 Wisconsin Weed Science Research Report
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 …
Wisconsin Waterhemp Herbicide Resistance Project – 2019 Update
Felipe Faleco (UW-Madison Agronomy Graduate Student), David Stoltenberg (UW-Madison Agronomy Professor), Mark Renz (UW-Madison Extension Weed Scientist) and Rodrigo Werle (UW-Madison Extension Weed Scientist) Link to blog post: http://www.wiscweeds.info/post/wisconsin-waterhemp-herbicide-resistance-project-2019-update/ Waterhemp is a competitive, prolific and genetically diverse weed species which has evolved …
2019 Pest Management Update Meetings
Rodrigo Werle, University of Wisconsin-Madison Cropping Systems Weed Scientist and Extension Specialist Don’t forget to pick a location and save the date for the 2019 Wisconsin Pest Management Update Meetings: https://badgercropdoc.com/2019/08/23/2019-pest-management-update-meeting-series-announced/ We are getting several requests …
Waterhemp Management Challenge
Rodrigo Werle; Nick Arneson; Daniel H. Smith According to our recent survey, waterhemp has become the most concerning weed species in Wisconsin row crop production. The University of Wisconsin Nutrient and Pest Management Program (NPM) and the …
Herbicide Rotation Restrictions Before Planting Industrial Hemp
Dr. Rodrigo Werle Assistant Professor & Weed Specialist Department of Agronomy Growing Industrial Hemp in Conventional Agricultural Fields? Don’t forget to check what herbicides were sprayed last year(s) and adjust your spray program moving forward …
Can Brand or Generic Herbicides Be Tank-Mixed? Part 2
Dr. Rodrigo Werle Assistant Professor & Weed Specialist Department of Agronomy This article describes some of the considerations regarding tank mixing S-metolachlor/safened metolachlor, atrazine &/or mesotrione products for weed control in corn (in other words, …
New Video: Early-season Soybean Herbicide Injury Symptoms
Dr. Rodrigo Werle Assistant Professor & Weed Specialist Department of Agronomy In this video, Dr. Rodrigo Werle (UW-Madison Extension Weed Scientist) describes the different types of early-season soybean injury potentially caused by commonly used PRE-emergence …
New Video: Palmer amaranth and Herbicide Resistance, detected in Wisconsin
Dr. Rodrigo Werle Assistant Professor & Weed Specialist Department of Agronomy Another Herbicide-Resistant Palmer amaranth population detected in Wisconsin. In 2018, Dr. Rodrigo Werle detected Palmer amaranth in a soybean field in south-central Wisconsin. Palmer …
Are You PRE-pared for the Soybean (and Waterhemp) Growing Season?
Rodrigo Werle and Shawn Conley Spring has arrived rather quickly in Wisconsin and the planting season is right around the corner (or perhaps it has already started for some growers). Before getting their soybeans in …