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 …
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Content from Mark Renz
How to use UWEX Pest Management Mobile web app
Pest Management Mobile: a resource for pest management in agronomic crops in Wisconsin Mark Renz, Extension Weed Specialist; University of Wisconsin-Extension University of Wisconsin-Extension is pleased to announce Pest Management Mobile, which offers quick mobile …
Big weeds found at the Weed Doctor’s Booth at Farm Technology Days in Barron County
Mark Renz, Extension Weed Scientist This year we had 8 entries into the biggest weed contest. We aren’t sure why fewer entries were submitted, maybe northern Wisconsin has fewer big weeds? While the earlier date …
Survey on Weed Management in Switchgrass and other Perennial Crops
Ariel Larson and Mark Renz, Graduate Student and Extension Weed Scientist, University of Wisconsin-Madison We are currently researching weed management requirements in establishing switchgrass for bioenergy. To compliment our current efforts to create weed management …
Removal of Roundup Ready Alfalfa: What can we learn from 2012
Mark Renz, University of Wisconsin Extension Weed Scientist Alfalfa stand termination has been difficult in 2013. This is likely due to several factors, including poor regrowth in the fall of 2012, late emergence this spring, …
Biggest Weed Contest at Farm Technology Days in Barron County
Mark Renz, UW-Madison Extension Weed Scientist With cooler weather and rain the Weed Doctors are expecting a bumper crop of large weeds. Have a weed in your field that you think is a prize winner? …
Controlling weeds in establishing alfalfa can increase forage quality
Mark Renz, University of Wisconsin Extension Weed Scientist Forage quality can be reduced by weeds in alfalfa. While this response can be seen at any time during the life of an alfalfa stand, effects are …
Alfalfa Removal in Spring
Alfalfa Removal in Spring Mark Renz Extension Weed Scientist, University of Wisconsin-Madison While removal of old stands is recommended with fall applications, many fields are now slated for removal due to winter-kill. This can be …
Pasture Weed Management after a Drought
Pasture Weed Management after a Drought Mark Renz Extension Weed Scientist, University of Wisconsin-Madison Although spring precipitation has alleviated some concern about a continued drought, we can expect some lingering effects in 2013. Many pastures …
Planting alfalfa-grass mixtures? Check the plant-back restrictions from previous herbicide applications.
Planting alfalfa-grass mixtures? Check the plant-back restrictions from previous herbicide applications Mark Renz Extension Weed Scientist, University of Wisconsin-Madison Alfalfa plantings are predicted to be higher in 2013 than the past several years in Wisconsin. …