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Ohio: Where Has All the Waterhemp Come From?

Weed populations are constantly shifting, in response to the pressure from our cultural and herbicide use practices, and how good our management of weeds...

Illinois: Dicamba – Considerations for Application Restrictions

On March 1, 2019 the Illinois Department of Agriculture (IDOA) announced it will require Special Local Needs labels (referred to as 24(c) labels) during...

Tennessee Corn: Ryegrass and Poa Management Options

Clearly this year, many are having trouble managing ryegrass and poa.  Questions began months ago and continue today and have ranged from tactics to burn...

Herbicide Resistance: Using Effective Site of Action – Video

Using different and multiple herbicide site of action is important, understanding how to use “effective herbicide site of action” is critical for addressing herbicide...

Tennessee: Dicamba – May 15 Deadline and Other FAQs – Podcast

In this podcast, Dr. Larry Steckel answers questions about the newly approved over-the-top dicamba product, Tavium, the looming May 15 cutoff for older dicamba...

Michigan: Herbicide Resistant Weeds – How Far Have They Spread?

In 2018, 39 samples were submitted for herbicide resistance screening to Michigan State University Diagnostic Services. This is a 26% drop from the previous...

Ohio Soybeans: Burndown Programs Following Wet Weather Delays

While it’s not terribly late yet, the wet soils and wet forecast could keep most of us out of the fields for a while. ...

Alabama Corn: Options for Controlling Morningglory

The most troublesome weed for most corn growers in North Alabama is the annual morningglory. The backbone of our morning-glory weed control program is...

Electrocuting Weeds – European Zapper Slated For U.S. Testing

A new weed-killing tool is coming to America and its mode of action is, well, quite shocking. The latest buzz in weed control is called...

Fighting Back Against Pigweed – 6 Best Management Practices

Waterhemp and Palmer amaranth, both members of the pigweed family, have become significant threats to crop yields and farm incomes across the Americas. In...

Soybean Weed Control: New Premix of Dicamba and S-Metolachlor

This month EPA approved a new dicamba-based herbicide that can be used in Roundup Ready 2 Xtend soybean (dicamba/glyphosate-resistant soybean), which came to the...

Dicamba: Effects of pH, Tankmixing And Additives – Deep Diving Into A Deep Subject

How do tankmixes and pH affect dicamba volatility? That’s a deep and wide subject that University of Tennessee weed scientists addressed in late April...

Dicamba: Does Adding Glyphosate to Low-Volatile Formulations Increase Volatility?

All week we have discussed UTIA’s latest research on low-volatile dicamba formulations.  We will end this series of blog posts with one of the...

Dicamba: Effect of pH Modifiers on pH of Roundup PM Mixtures

Tennessee soybean growers asked my colleague, Dr. Tom Mueller, and me to vet some of the directions on the XtendiMax and Engenia labels.  In...

Low-Volatile Dicamba Formulations – Does an AMS or Glyphosate Mix Lower Spray Tank pH...

This is the second in a series of blogs on research that Dr. Tom Mueller and I did to examine some of the directions...

Ohio: With Marestail, It’s All About Winning The Long Game – The Seed Bank

For the second year in a row, we are scrounging to find enough marestail at the OARDC Western Ag Station to conduct the research...

Michigan: You Can’t Afford To Give Marestail A Free Ride Ahead Of Planting

Winter annual weeds and newly emerged summer annuals are starting to flourish. As temperatures start to increase, competition for field operations will occur. Most...

Resistance Management: Watch And Learn – 2 Videos On Tank-Mix Strategies

Research from the past few years has shed light on how important it is to mix herbicides rather than rotate herbicides. Herbicide resistant species become...

Dicamba: How Does Tank-Mixing Glyphosate Affect pH?

With the off-target dicamba movement in recent years, Tennessee soybean growers asked my colleague, Dr. Tom Mueller, and me to vet some of the...

Nebraska: Spring Burndown Challenges And How To Overcome Them – Podcast

On this month’s Nebraska CropWatch podcast, Extension Educator Michael Sindelar talks with Extension Weed Specialist Amit Jhala about spring burndown herbicide applications.  Jhala talks about...