Tag Archives: 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 adequate levels of weed control. … Continue reading

Posted in WCM newsletter, Weeds | Tagged , | Comments Off on Herbicide Site of Action Key for Crop Injury Symptoms

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 Wisconsin farmers and agronomists to … Continue reading

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Send in Waterhemp Seeds for Free Herbicide Resistance Screening

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] approval of dicamba-tolerant seed trait … Continue reading

Posted in Crops, WCM newsletter, Weeds | Tagged | Comments Off on Survey seeks Wisconsin soybean farmers’ perceptions on dicamba

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 micro-rates of dicamba (via tank-contamination, … Continue reading

Posted in Crops, WCM newsletter, Weeds | Tagged | Comments Off on Reporting Dicamba-Injured Acreage in Wisconsin

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 at Arlington Ag Research Station … Continue reading

Posted in WCM newsletter, What's New? | Tagged | Comments Off on Weed Science Plot Tour

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 was often blowing or the … Continue reading

Posted in Crops, WCM newsletter | Tagged | Comments Off on Application Window For Most Soybean Herbicides Coming Close To An End

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 production in Wisconsin. The University … Continue reading

Posted in WCM newsletter, What's New? | Tagged , | Comments Off on Waterhemp Management Challenge Plot Tour

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 to keep this troublesome weed … Continue reading

Posted in WCM newsletter | Tagged | Comments Off on Palmer amaranth is now a prohibited noxious weed seed in Wisconsin, but what does it look like?

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 25 Wisconsin counties (see map … Continue reading

Posted in WCM newsletter | Tagged | Comments Off on Waterhemp Management in Soybeans

Strategies for Late Termination of Cereal Rye Cover Crop

Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) andDan Smith (UW NPM Southwest Wisconsin Regional Specialist) 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 … Continue reading

Posted in WCM newsletter, What's New? | Tagged , | Comments Off on Strategies for Late Termination of Cereal Rye Cover Crop