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 …
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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 …
Considerations Prior to Cereal Rye Cover Crop Termination
Dr. Rodrigo Werle, Dan Smith, and Shawn Conley Fall-planted cereal rye is increasingly used as a cover crop to protect the soil during winter and spring in corn and soybean cropping systems across the Midwest. …
Video: POST-Emergence Pigweed Control with Contact Herbicides in Soybeans
Dr. Rodrigo Werle Assistant Professor & Weed Specialist Department of Agronomy In this demonstration video, Dr. Rodrigo Werle discusses some of the considerations when using contact-based products such as PPO-inhibitors (group 14) and glufosinate (group …
4 Locations for Upcoming University of Wisconsin Regional Waterhemp Workshops
by Rodrigo Werle, UW-Madison Extension Cropping Systems Weed Scientist Has waterhemp become a problematic weed species in your farms or your clients’ operations? Would you like to learn more about the biology and how to …
2018 Wisconsin Weed Science Research Report
by Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) and Ryan DeWerff (UW-Madison Weed Science Research Specialist) The purpose of this report is to share the results of twenty-three corn and soybean herbicide evaluation research …