Ernst Undesser

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Tennessee Wheat: Early Fall Weed Management

As we approach the fly-free date for sowing winter wheat, we need a plan to control our most common weedy pests in this crop. ...

Nebraska: Identifying Fall-Emerging Weeds – Video

As the 2020 corn and soybean harvest begins to wind down, we would like to encourage growers to take a proactive approach to managing...

Mississippi: Fall Residual Herbicide Programs – Podcast

Jason and Bobby sit down to discuss the importance of when to spend the extra money on fall residual herbicide and when to use...

Indiana: 5 Application Tips for Fall Applied Herbicides, Winter Weed Control

As harvest season progresses quickly this fall due to favorable weather conditions and our crops come out of the field, now is the time...

Soybeans: Chaff Lining Fields for Palmer Amaranth Management

Herbicide-resistant weeds have resulted in the loss of effective herbicides and has forced farmers to seek alternative strategies.  Australian farmers have developed harvest time...

Georgia Corn: “New” Herbicides for 2021

In the last few weeks, I have seen some publicity about potential “new” herbicides in field corn.  In many cases, these “new” herbicides are not...

Weed Management: 6 Challenges from 2020, Preparing for 2021 – DTN

In keeping with the theme of 2020, a lot of things went wrong with weed control this year. Between large weed seedbanks lurking on prevented...

Iowa: Volunteer Corn Management – Video

August's derecho left many Iowans with unharvestable corn. For operations that left their corn in the field, decisions should be made to reduce the...

Dicamba’s Status As EPA Scrambles – It’s Complicated – DTN

As the fall seed-buying season advances, EPA is facing a major time crunch on its dicamba herbicide decisions. The agency had originally vowed to have...

Ohio Soybeans: Fall-Applied Herbicides – What Goes Around Comes Around

Fall herbicide treatments have fallen off over the past several years for a couple of reasons, among them the effectiveness of new soybean trait...

Minnesota: Fall Weed Management Considerations, What to Do with Escapes –...

This Podcast is sponsored by the UMN Extension Integrated Pest Management (IPM) Program. In this week’s podcast, we feature Dr. Debalin Sarangi, who was recently...

Atrazine’s Proposed Label Includes Drift And Inversion Stipulations – DTN

EPA Administrator Andrew Wheeler announced on Friday interim mitigation measures for atrazine and two related herbicides, propazine and simazine, during an agriculture event in...

Iowa: Using a Vertical Tillage Tool for Weed Management – Video

In addition to preparing the soil for planting, tillage can be an effective strategy for weed management. During a field trial, blue chalk was...

Dicamba: Ag Groups Urge Timely Re-Registration

A wide ranging group of Nebraska agriculture organizations is urging the U.S. Environmental Protection Agency to move swiftly to re-register over-the-top, post-emergence dicamba products....

Minnesota: Weed Control Ahead of the Combine

For the most part, it’s too late to control weeds this year, but there is still time to limit weed seeds going back into...

Minnesota: Herbicide-Resistant Weed Screening Survey

Herbicide resistant weeds are widespread in Minnesota and several reports on weed control failure following herbicide applications were reported recently. Therefore, testing weed populations...

Missouri Corn, Soybeans: Fall Management Strategies for Horseweed

Horseweed, or marestail, is one of the most troublesome weeds we encounter in corn and soybean fields in Missouri, and is especially common in...

Georgia Corn: Late-Season Glyphosate Applications and Weed Seed Production

Now that many growers are finishing up with field corn harvest, I have been getting lots of questions about the potential effects of late-season...

Tennessee: Manage Resistance – Scout for Fall Pigweed Escapes

Some have been concerned about losing dicamba due to court or EPA rulings. Everyone should be more concerned about losing dicamba and 2,4-D to...

Western Iowa: 2020 Palmer Amaranth Tour – How Did We Do?

Harrison County Ground zero for Palmer amaranth in Iowa is a 25 acre field that had a severe Palmer amaranth infestation when the weed...