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 …
Werle
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 …
Waterhemp Management Challenge Plot Tour
Rodrigo Werle, University of Wisconsin-Madison and UW Extension Cropping Systems Weed Scientist; Dan Smith, Nutrient and Pest Management Program University of Wisconsin-Madison According to our recent SURVEY, waterhemp has become the most concerning weed species in row crop …
Palmer amaranth is now a prohibited noxious weed seed in Wisconsin, but what does it look like?
by Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) Under a new emergency rule, Palmer amaranth has been labeled as a prohibited noxious weed seed in Wisconsin. Given Palmer amaranth’s aggressive nature, this is a worthwhile and necessary attempt …
Waterhemp Management in Soybeans
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. Adding to that challenge, glyphosate-resistant waterhemp populations have been confirmed in …