Author Archives: Roger Schmidt

Tar Spot on Corn in Wisconsin

Damon L. Smith, Extension Field Crops Pathologist, University of Wisconsin-Madison Tar spot is no longer a cosmetic leaf disease in Wisconsin and Illinois. We have seen epic levels this season, resulting in severe damage in some fields and early dry-down … Continue reading

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2018 Wisconsin Pest Management Update Meetings

The schedule for the 2018 Wisconsin Pest Management Update meeting series has been set. Presentations will include agronomic pest management information for Wisconsin field and forage crops. Speakers include Mark Renz and Rodrigo Werle, weed scientists, Damon Smith, plant pathologist, … Continue reading

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Send in Waterhemp Seeds for Free Herbicide Resistance Screening

Wisconsin Waterhemp Herbicide Resistance Project by Rodrigo Werle, UW-Madison Extension Cropping Systems Weed Scientist According to our recent SURVEY, waterhemp has become the most concerning weed in row crop production in Wisconsin. Thus, we invite Wisconsin farmers and agronomists to … Continue reading

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Wisconsin UWEX Vegetable Crop Update Issue 19

Amanda Gevens, Associate Professor & Extension Specialist, Potato & Vegetable Pathology, UW-Madison Plant Pathology Department Newsletter 19 August 11, 2018 summary of late blight findings and risk cucurbit downy mildew reports from the US crop products updates for potato

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Cancellation of Chlorpyrifos

Bryan Jensen, Dept. of Entomology and IPM Program Some of you have probably heard or seen popular press articles about the Ninth Circuit Court of Appeal’s order ruling that EPA must ban the active ingredient chlorpyrifos which is an active is … Continue reading

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Time to Start Getting Alfalfa Field Ready for Winter

Bill Halfman, Monroe County Ag Agent, Carrie Laboski, Soil Fertility/Nutrient Management Specialist Management decisions made now can impact how alfalfa stands make it through next winter. This year there were a lot of reports of alfalfa stands coming through winter but … Continue reading

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Survey seeks Wisconsin soybean farmers’ perceptions on dicamba

Dicamba Use in Wisconsin Soybean Production – SURVEY by Rodrigo Werle (UW-Madison Extension Cropping Systems Weed Scientist) In 2017 the Xtend soybean technology was completely launched in the United States (e.g., Environmental Protection Agency [EPA] approval of dicamba-tolerant seed trait … Continue reading

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Harvest timing of winter wheat to maximize yield and minimize elevator discounts

Shawn Conley, State Soybean and Small Grains Specialist John Gaska, Senior Outreach Specialist, Adam Roth, Program Manager A research trial was initiated in the fall of 2017 at the Arlington Agricultural Research Station, Arlington, WI to assess the impact of delayed … Continue reading

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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

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Integrated Pest Management and Soybean Aphids

Bryan Jensen, Department of Entomology and Integrated Pest Management (IPM) Program It seems like soybean aphid populations have been creeping up and I understand a few fields have been sprayed.  When we get to this time of year economical soybean aphid … Continue reading

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