Thomas Butts, a graduate research assistant, and Vince Davis report a new confirmation of a glyphosate-resistant weed in Wisconsin. Their full report is available here. For more information, please visit the WCWS documents page.
Weeds
Glyphosate resistance confirmed in two Wisconsin common waterhemp populations
Recently, Thomas Butts, a graduate research assistant, and Vince Davis confirmed two herbicide-resistant common waterhemp populations in Wisconsin. The full report is now available. For more information, please visit the WCWS documents page.
Big weeds found at the Farm Technology Days event in Portage County
Mark Renz, Extension Weed Scientist Despite the cool summer we had plenty of weeds at the Weed Experts booth this past week. Of the many samples brought in for identification eight participants submitted nine weeds …
Biggest Weed Contest at the Weed Doctor’s Booth at FTD
Mark Renz, UW-Madison Extension Weed Scientist What does a cold winter, a wet spring, and a moderate summer produce? A bumper crop of big weeds! Yes once again weed scientists with University of Wisconsin Extension …
Bur and Wild Cucumber; Two Native Vines Common in Wisconsin
Mark Renz, Extension Weed Specialist, UW-Madison Now is the time of year when we start to notice vines climbing trees, crops, and even structures. While Wisconsin has over 50 plants categorizes as vines, bur (Sicyos …
White tipped/bleached Canada thistle, a good thing
Mark Renz, University of Wisconsin Extension Weed Specialist Wet springs, bring good and bad things from a weed perspective. First the bad: we often see much more Canada thistle in our pastures, row crops, and …
Data suggests glyphosate resistance of two Wisconsin common water hemp populations
Thomas R. Butts and Vince M. Davis, Department of Agronomy, University of Wisconsin-Madison The two weed populations examined were collected from crop production fields in Eau Claire and Pierce counties. They were identified through the …
Wisconsin 2014 Pest Management Field Day
Bryan Jensen, University of Wisconsin IPM Program Pest Management Field Day June 26, 2014, 8:30 am Arlington Agricultural Research Station. Our field day features several topics presented by University of Wisconsin faculty, staff and students. Pre-registration …
Arlington Weed Garden Open for 2014
Mark Renz, Extension Weed Scientist Although summer hasn’t officially started, the weed garden is open and ready for business at the Arlington Ag. Research Station. Thanks to a generous donation by the Wisconsin Certified Crop …
Little leaf buttercup, a bitter weed in spring hayfields
Mark Renz, Extension Weed Scientist, and Kevin Shelley, UW NPM Program Buttercups, have been showing up this spring in pastures and hayfields in southern Wisconsin. While Wisconsin has 18 species of buttercup, little leaf buttercup (Ranunculus arbotivus) is the …