Category Archives: Weeds

Which thistle is in my pasture and how to control it…..

Mark Renz Extension Weed Specialist; University of Wisconsin-Madison & Extension Thistles are all up and actively growing. While we have a variety of thistles, typically pastures have one of 5 common weedy thistles in Wisconsin. Not sure which one? The … Continue reading

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Which thistle is in my pasture and how to control it…..

Pre-emergence Herbicides for Weed Management in Soybean

Liz Bosak, Outreach Specialist, Department of Agronomy, University of Wisconsin-Madison Pre-emergence herbicides can lower the risk of developing herbicide resistance and add flexibility to the post-emergence application timing. For an excellent discussion of how a two-pass herbicide program can reduce … Continue reading

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Pre-emergence Herbicides for Weed Management in Soybean

Scout your fields for weed seedlings this spring

Liz Bosak, Outreach Specialist, Department of Agronomy The fields may look cold, wet, and dormant this week but weeds were germinating in some fields in Janesville and Arlington last week. On April 17 at Janesville, common lambsquarters, giant ragweed, and … Continue reading

Posted in WCM newsletter, Weeds | Comments Off on Scout your fields for weed seedlings this spring

2015 Weed emergence “on target” in Wisconsin

Mark Renz Extension Weed Scientist, Agronomy Department, University of Wisconsin-Madison Knowledge of weed emergence is very important as it help in the selection and optimization of early season weed control. While typically weed emergence is consistent from year to year, … Continue reading

Posted in WCM newsletter, Weeds | Tagged | Comments Off on 2015 Weed emergence “on target” in Wisconsin

Common ragweed confirmed ALS inhibitor-resistant in Brown County Wisconsin

Recently, Thomas Butts, a graduate research assistant, Vince Davis, and Dave Stoltenberg confirmed that a common ragweed population in Wisconsin is resistant to an ALS inhibitor. Here is the conclusion from their research paper (linked below) which stresses resistance management … Continue reading

Posted in WCM newsletter, Weeds | Comments Off on Common ragweed confirmed ALS inhibitor-resistant in Brown County Wisconsin

5 Free apps for Wisconsin crop production

by Roger Schmidt, IPCM computer specialist These five free apps help Wisconsin farmers and crop consultants quickly do calculations and find answers concerning crop and pest management. The apps all use University of Wisconsin science and research-based information sources. By … Continue reading

Posted in Crops, Fertility & Soil, Insects & Mites, Plant Disease, WCM newsletter, Weeds, What's New? | Comments Off on 5 Free apps for Wisconsin crop production

Palmer amaranth confirmed glyphosate-resistant in Dane County, Wisconsin

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.

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Palmer amaranth confirmed glyphosate-resistant in Dane County, Wisconsin

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.

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Glyphosate resistance confirmed in two Wisconsin common waterhemp populations

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 they felt deserved the title … Continue reading

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Big weeds found at the Farm Technology Days event in Portage County

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 are holding the biggest weed … Continue reading

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Biggest Weed Contest at the Weed Doctor’s Booth at FTD
Page 3 of 812345...Last »