Tag Archives: Werle

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

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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

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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

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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

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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

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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

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Are You PRE-Emergence Ready For Soybean Planting?

by Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) and Shawn Conley (UW-Madison Extension Soybean and Small Grain Specialist) Spring has finally arrived in Wisconsin and so has the planting season. Before getting your soybeans in the ground, make sure … Continue reading

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Geographic Restrictions for Corn and Soybean PRE-emergence Herbicides in Wisconsin

Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) RE-emergence herbicides are the foundation for good weed control in corn and soybeans, particularly with the spread of herbicide-resistant weeds. The use of some PRE-emergence herbicides is limited to certain regions or … Continue reading

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2018 Wisconsin Cropping Systems Weed Science Survey- Results

Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) and Maxwel Oliveira (UW-Madison Weed Science Postdoctoral Research Associate) The objective of our survey was to evaluate the main weed species and management strategies adopted in Wisconsin cropping systems, particularly in corn … Continue reading

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