Category Archives: Weeds

Big weeds found at the Weed Doctor’s Booth at Farm Technology Days

Big weeds found at the Weed Doctor’s Booth at Farm Technology Days Mark Renz, Extension Weed Scientist This year we had 26 entries into the biggest weed contest.  Past winners such as plumeless thistle and common mullein were entered as … Continue reading

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Watch out for Poisonous Plants this Summer

Watch out for Poisonous Plants this Summer Mark Renz Extension Weed Scientist, University of Wisconsin-Madison As pastures are not productive in much of Wisconsin due to the drought and the supply of hay remains low throughout the US, the potential … Continue reading

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Biggest Weed Contest to be held at the Weed Doctor’s Booth at Farm Technology Days in Outagamie County

Biggest Weed Contest to be held at the Weed Doctor’s Booth at Farm Technology Days in Outagamie County Mark Renz, UW-Madison Extension Weed Scientist The weather has been crazy this spring and summer, but the Weed Doctors are betting that … Continue reading

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Dry conditions continue to persist in Southern WI: Poor Early Weed Control is Evident

Dry conditions continue to persist in Southern WI: Poor Early Weed Control is Evident Vince M. Davis, Extension Weed Scientist What happened to this poor soybean stand? Poor stand establishment…Disease…Insects…?   Answer: Dandelion competition in dry conditions! A drive around much … Continue reading

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Late-Season Weed Escapes in Wisconsin Corn and Soybean Fields

Vince M. Davis, Extension Weed Scientist and Ross Recker, Graduate Research Assistant The potential increase of glyphosate-resistant weeds is a major threat to corn and soybean production across the Nation.  Integrated Weed Management tactics, including diversified herbicide use, are important … Continue reading

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Giant Ragweed Resistance to Glyphosate in Wisconsin

Giant Ragweed Resistance to Glyphosate in Wisconsin Dave Stoltenberg (Weed Scientist, Dept. of Agronomy, UW-Madison), Melinda Yerka and Courtney Glettner (Graduate Research Assistants, Dept. of Agronomy, UW-Madison), Jim Stute (Crops and Soils Educator, Rock County, UW-Extension), Tim Trower (Senior Outreach … Continue reading

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Weeds could be Tough to Control with POST Herbicides this Year

Weeds could be Tough to Control with POST Herbicides this Year Vince M. Davis, Extension Weed Scientist Corn and soybean growers have encountered several challenges with controlling weeds with herbicides this season, and the current weather may cause that trend … Continue reading

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New Fact Sheets Added for Invasive Plants and Weeds

New Fact Sheets Added for Invasive Plants and Weeds The Renz lab in the UW-Madison Agronomy Department in cooperation with University of Wisconsin-Extension Team Horticulture, Wisconsin Department of Natural Resources, and the Midwest Invasive Plant Network has continued the development … Continue reading

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Wisconsin Pest Bulletin

The Wisconsin Pest Bulletin from the Wisconsin Department of Agriculture, Trade and Consumer Protection provides pest population estimates, pest distribution and development data, pest survey and inspection results, alerts to new pest finds in the state, and forecasts for Wisconsin’s … Continue reading

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Early Spring Creates Early Weed Pressure Concerns

Early Spring Creates Early Weed Pressure Concerns Vince M. Davis, Cropping Systems Weed Scientist and Extension Specialist, UW-Madison This spring is shaping up to be one for the record books in many ways, but ‘early’ is mostly an understatement.  The need … Continue reading

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