Category Archives: Weeds

Update on Waterhemp and Palmer Amaranth in Wisconsin

Waterhemp and Palmer Amaranth in Wisconsin: an update on locations and call to report new infestations. Mark Renz, UW Madison Associate Professor and Extension Specialist We have been observing the continued spread of waterhemp and Palmer amaranth in Wisconsin. These … Continue reading

Posted in Weeds | Tagged | Comments Off on Update on Waterhemp and Palmer Amaranth in Wisconsin

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

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

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Geographic Restrictions for Corn and Soybean PRE-emergence Herbicides in Wisconsin

Wisconsin Herbicide Mode of Action Chart

Daniel H. Smith- Nutrient and Pest Management Program, University of Wisconsin-Madison The Nutrient and Pest Management and the Wisconsin Cropping Weed Science programs have recently updated the Wisconsin herbicide mode of action chart. This publication provides herbicide mode of action, group … Continue reading

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Wisconsin Herbicide Mode of Action Chart

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

Posted in WCM newsletter, Weeds | Tagged | Comments Off on 2018 Wisconsin Cropping Systems Weed Science Survey- Results

Video: Combine Cleaning To Prevent Spreading Weed Seeds

Daniel H. Smith- Nutrient and Pest Management Program, University of Wisconsin-Madison, Kevin Jarek- Outagamie County, University of Wisconsin- Extension This 5-minute video demonstrates a top-to-bottom front-to-back procedure for cleaning a combine of plant material. Prior to winter storage a combine needs to be cleaned … Continue reading

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Video: Combine Cleaning To Prevent Spreading Weed Seeds

Weed Identification Series, Galinsoga (Quickweed)

Mark Renz UW Madison Associate Professor and Extension Specialist, Chelsea Zegler UW Madison Associate Research Specialist Due to the warm weather last week we thought we would share one more weed ID plant for the season: Quickweed aka Galinsoga. We actually … Continue reading

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Weed Identification Series, Galinsoga (Quickweed)

Weed Identification Series, Barnyardgrass

Mark Renz UW Madison Associate Professor and Extension Specialist, Chelsea Zegler UW Madison Associate Research Specialist Well the season is nearly over, but we wanted to point out a weed species that had a prolific year: Barnyardgrass. This species has long … Continue reading

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Weed Identification Series, Barnyardgrass

Weed Identification Series, Biennial Wormwood

Mark Renz UW Madison Associate Professor and Extension Specialist, Chelsea Zegler UW Madison Associate Research Specialist Biennial wormwood is not new to Wisconsin, as has been in the state over 100 years, but I have seen it spreading throughout Wisconsin for … Continue reading

Posted in WCM newsletter, Weeds | Tagged | Comments Off on Weed Identification Series, Biennial Wormwood

Video- Pigweed Identification Emphasizing Flowering Characteristics

Mark Renz UW Madison Associate Professor and Extension Specialist, Sam Marquardt UW Madison Assistant Outreach Specialist Pigweeds aren’t going away anytime soon. In fact, Palmer amaranth and waterhemp are moving into new areas of Wisconsin where they previously did not exist. … Continue reading

Posted in WCM newsletter, Weeds | Tagged , | Comments Off on Video- Pigweed Identification Emphasizing Flowering Characteristics
Page 1 of 812345...Last »