Tag Archives: Renz

Weed Identification Series, 3 Biennial Thistles

Mark Renz UW Madison Associate Professor and Extension Specialist, Chelsea Zegler UW Madison Associate Research Specialist We wanted to emphasize Wisconsin’s common weedy biennial thistles in this weed identification series installment.  While Wisconsin has dozens of different thistles, we have three … Continue reading

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Weed Identification, 2017 Series, Horseweed

WEED IDENTIFICATION SERIES PLANT #2 Horseweed Mark Renz UW Madison Associate Professor and Extension Specialist (mrenz@wisc.edu), Chelsea Zegler UW Madison Associate Research Specialist (zegler@wisc.edu) Weed species #2 that we wanted to emphasize this spring is horseweed, also known as marestail. This … Continue reading

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Weed Identification, 2017 Series, Common Chickweed

Mark Renz UW Madison Associate Professor and Extension Specialist (mrenz@wisc.edu), Chelsea Zegler UW Madison Associate Research Specialist (zegler@wisc.edu) Introducing a new Weed ID series of factsheets With everyone gearing up for the field season we thought it would be good to … Continue reading

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Options for 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 and changes in cropping plans for the field. This can be challenging, … Continue reading

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Pest Management in Wisconsin Field Crops, A3646

P. J. Liesch, Glenn Nice, Mark Renz, Damon Smith and Bryan Jensen There have been changes in location and distribution of UW Extension’s, Pest Management in Wisconsin Field Crops Bulletin (A3646). This publication can now be purchased ($30, plus $1.65 … Continue reading

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Brush Management on Working Landscapes in Southwest Wisconsin Field-day

Mark Renz Associate Professor and Extension Weed Specialist Do you have large multiflora rose plants in your pastures? Do you cut back prickly ash only to see it resprout the next spring? Are bush honeysuckles taking over your fence-line? If … Continue reading

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Wild Parsnip, an expanding problem along roadsides in Wisconsin

Mark Renz Associate Professor and Extension Specialist. University of Wisconsin Madison Wild parsnip (Pastinaca sativa), a non-native plant, was first discovered in Wisconsin before 1900. Even those this plant has been present for over 100 years populations continue to spread … Continue reading

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Termination of Winter Rye and Annual Ryegrass Using Glyphosate

Daniel H. Smith, Nutrient and Pest Management Program Mark Renz, Weed Science Extension Specialist, Department of Agronomy, University of Wisconsin-Madison Termination of winter rye and annual ryegrass using glyphosate can be a challenge. A recent study at Arlington Agriculture Research … Continue reading

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2015 Soybeans Herbicide Evaluation Program Results Now Available

Mark Renz and Dave Stoltenberg Agronomy Department, University of Wisconsin-Madison; University of Wisconsin Extension Evaluation of new and existing herbicides for use in soybeans has annually occurred in Wisconsin for over 30 years. This program continues to compare effectiveness of … Continue reading

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2015 Corn Herbicide Evaluation Program Results

Mark Renz, Agronomy Department, University of Wisconsin-Madison, University of Wisconsin Extension, Dave Stoltenberg, Agronomy Department, University of Wisconsin-Madison Evaluation of new and existing herbicides for use in corn has annually occurred in Wisconsin for over 30 years. This program continues … Continue reading

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