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 …
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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 …
Understanding Buffer Requirements for Dicamba Applications in Xtend
Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) On October 31, 2018 the United States Environmental Protection Agency (EPA)announced their decision to extend the registration of the dicamba products Engenia, Fexapan, and Xtendimax for use in dicamba-tolerant …
Herbicide Resistance in Wisconsin: An Overview (December 2018)
Joseph Zimbric (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) 20 Unique Cases of Herbicide Resistance in Wisconsin 20 unique cases (weed species by herbicide site of …
Herbicide Site of Action Key for Crop Injury Symptoms
by Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) and Maxwel Oliveira (UW-Madison Weed Science Postdoctoral Research Associate) With the widespread occurrence of herbicide-resistant weeds, corn and soybean farmers are having to diversify their herbicide programs to obtain …
Send in Waterhemp Seeds for Free Herbicide Resistance Screening
Wisconsin Waterhemp Herbicide Resistance Project by Rodrigo Werle, UW-Madison Extension Cropping Systems Weed Scientist According to our recent SURVEY, waterhemp has become the most concerning weed in row crop production in Wisconsin. Thus, we invite …
Survey seeks Wisconsin soybean farmers’ perceptions on dicamba
Dicamba Use in Wisconsin Soybean Production – SURVEY by Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) In 2017 the Xtend soybean technology was completely launched in the United States (e.g., Environmental Protection Agency [EPA] …
Reporting Dicamba-Injured Acreage in Wisconsin
by Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) At the beginning of July, the weather finally became conducive for POST-emergence herbicide applications in southern Wisconsin, including for dicamba application in Xtend (dicamba-tolerant) soybeans. Typically, injury from …
Weed Science Plot Tour
The Wisconsin Cropping Systems Weed Science Program (WiscWeeds) would like to invite corn and soybean farmers, agronomists, industry representatives and Ag educators to attend the 2018 “Weed Science Plot Tour” on Tuesday, July 17, 2018 …
Application Window For Most Soybean Herbicides Coming Close To An End
by Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) Excessive and constant rainfall through the season thus far across southern Wisconsin has challenged timely herbicide applications in our experimental plots. If not raining, the wind …