Ernst Undesser

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Indiana Corn: Split Applications Of Soil Residual Herbicides – Video

Corn growing under ideal weather conditions can quickly reach growth stage restrictions for postemergence herbicide applications. In this video, Dr. Bill Johnson discusses the...

Iowa Soybeans: Managing Herbicide-Resistant Waterhemp with Cover Crops, Narrow Rows

Waterhemp control is an increasing challenge for soybean producers due to the evolution of multiple herbicide-resistant populations. With dwindling herbicide resources, there is a...

Missouri Soybeans: Weed Management and New Herbicides – Video

Senior Research Associate Brian Dintelmann focuses on soybean herbicide programs in his follow-up to the corn herbicide programs video. In this video Brian discusses: pre-emergence...

Arkansas Soybeans: Discovering Best Practices in Integrated Weed Management – Video

Weed management comes with the territory, you could say. Best practice is to stay ahead of it by taking a long-term approach. Thanks to...

Mississippi: Recent Troublesome Pigweed Escapes – Podcast

Larry Steckel from the University of Tennessee joins Bobby and Jason on the Call in line to discuss his recent reports of Pigweed Escapes...

Dicamba: Environmental Factors that Influence Application Success – Video

Specific weather and environmental factors are commonly associated with off-target dicamba movement. Can we identify which of these factors are most important for successful...

Iowa: Scout Now for Palmer Amaranth

This is the time of year to begin scouting for Palmer amaranth (Amaranthus palmeri) in Iowa crop fields. While Palmer amaranth has been identified...

Iowa: What’s up With Waterhemp?

Over the last two weeks I have received a few calls related to identifying a “new form of waterhemp” in Southwest Iowa. In reality,...

Missouri: Status of Dicamba Labels, Research on pH Modifiers – Video

The 9th Circuit Court of Appeals caught many of us off-guard with their ruling to vacate XtendiMax, FeXapan, and Engenia dicamba labels in June....

Minnesota Soybeans: Walk, Hoe, Map, Mow – Your Best Aug. Weed...

My dad was a dairy farmer his entire life. When he was 41 he had a heart attack and had to take a year...

Dicamba-Resistant Pigweed Confirmed. Now What? – DTN

Weed scientists are officially confirming the presence of dicamba-resistant Palmer amaranth in Tennessee, where the dicamba-tolerant Xtend trait has dominated cotton and soybean acreage...

Tennessee: Dicamba-Resistant Pigweed Makes Stewardship Even More Important

Has Palmer amaranth evolved dicamba resistance in Tennessee?  Results from some of the greenhouse experiments this winter and spring as well as in field...

Enlist Herbicide Gains Key Court Reprieve – DTN

The U.S. Court of Appeals for the Ninth Circuit today denied a petition to vacate the registration of Corteva Agriscience's Enlist Duo herbicide, a...

Missouri Soybeans: At-Harvest Weed Seed Terminator Evaluation – Video

If there is one good feature of waterhemp, it may be that female plants typically retain greater than 90% of seed on seedheads at...

Indiana Soybeans: Volunteer Corn Control in Enlist, Xtend Crops – Video

In the last couple of years, we have received multiple calls regarding the control of volunteer corn in Enlist and Xtend soybeans systems. The following...

Missouri Corn: Weed Management and New Herbicides – Video

Senior Research Associate Brian Dintelmann gives an excellent summary that highlights some of the corn weed management research conducted at Bradford this summer. He...

Arkansas Cotton, Soybeans: Recent Pigweed Escapes Are Troubling

Over the last couple weeks I have had several conversations with consultants and growers about pigweed control. Many are concerned with the levels of...

Minnesota: Palmer Amaranth Found in Winona County

The Minnesota Department of Agriculture (MDA) has confirmed Palmer amaranth for the first time in Winona County. The Palmer amaranth plants were found in...

Minnesota Wheat: Pre-Harvest Weed Control Revisited

Wet and windy weather has made for weed control challenges in small grains. Combine this with poor stands, poor tillering, and a shorter than...

Georgia Peanuts: How Much 2,4-DB Can You Apply?

2,4-DB is a very popular and inexpensive peanut herbicide that is used on at least 35% of the acres in GA.  There are a...