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Ernst Undesser

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Glyphosate and Cancer – Myths vs. Facts

Whether on social media or in farming circles, many questions linger about glyphosate, better known as Roundup, and a link to cancer. “It’s hard...

Oklahoma: Winter Wheat – Weed Management for Slow Developing Crops

November has been cooler than normal and that has limited wheat growth across the state. Most of fields where wheat was planted earlier have...

Texas: Drones in Weed Management – Better Tech Needed

Remote sensing provides an alternative to ground-based manual scouting for weeds in agriculture fields. And, while many advances have been made, many are still...

Georgia Cotton: Direx 4L FIFRA 24(c) Special Local Need Label Approved

At the recent Weed Science Update in Tifton, we discussed that federal diuron labels only allow applications between 15 and 45 days prior to...

Mississippi: Talking Pest Management with Corteva – Podcast

Podcasting from the 2019 Mississippi State University Row Crop Short Course, Angus Catchot and Darrin Dodds talk with Chris McClain from Corteva. http://extension.msstate.edu/sites/default/files/audio/CSR_Corteva.mp3

Texas Corn, Sorghum: Soil Management Considerations for Pre-Emergence Herbicides

Many farmers across Texas will be thinking about planting corn in just a couple of months, and sorghum shortly after that. Managing soil for...

North Carolina: Auxin Herbicide Best Management Practices Trainings for 2020

The schedule for the 2020 Auxin Herbicides-Best Management Practices training has been finalized. This training, presented by NC State University Weed Specialists and organized...

Mississippi: New Paraquat Handling and Use Regulations

Paraquat dichloride is often simply referred to as “paraquat” and is one of the most common herbicide active ingredients in the United States (US-EPA...

Syngenta’s New Gramoxone 3SL (Paraquat) Formulation

Syngenta recently received a label for their new formulation of paraquat sold under the trade name of Gramoxone 3SL (3 lb ai/gal).  As you...

Herbicide Rule Changes – Hoops You’ll Have To Jump Through –...

The federal label requires special training if you intend to use Engenia, XtendiMax, FeXapan, or Tavium dicamba formulations in 2020. And, for the first...

Italian Ryegrass: Study Explores Different Control Methods – Video

Italian ryegrass is a problematic weed in cereals, grass seed crops, and grain crops planted no-till. It can result in significant yield losses if...

Marestail: Integrated Weed Management Starts Now – Video

Marestail, also known as horseweed, management is challenging because the weed can emerge in both fall and spring. In addition, herbicide resistant populations are...

Soybeans: Cereal Rye Cover Crop Helps Control Weeds – DTN

When John Werries and his son Dean started using cover crops, their primary goal was to prevent soil erosion on their Illinois farm. Seven...

Waterhemp: ‘Friendly’ Native Evolves into Cornbelt’s Worst Weed Problem

Waterhemp’s rise to the Cornbelt’s worst weed is one of the Cornbelt’s more fascinating weed-related events over the past 40 years.  Waterhemp (Amaranthus tuberculatus) is...

Harvest Weed Seed Control – Podcast

In this installment of the Gopher Coffee Shop podcast, Extension educators Ryan Miller and Brad Carlson sit down with Dr. Michael Walsh, a Weed...

Pennsylvania: Is It Too Late to Control Weeds?

As temperatures get colder, some people wonder if it is too late to control weeds, especially perennials. In the fall, foliar applied herbicides can...

Harvest Weed Seed Control – How It Depletes Soil Seedbank

The Soil Seedbank “Soil seedbank” refers to weed seeds present in the soil. The soil seedbank serves as the source of next season weed problems....

Soybeans: 7 Herbicide-Tolerant Traits Available – Which to Pick? – DTN

Farmers have a range of choices when it comes to herbicide-tolerant soybean technology in 2020 -- up to seven different traits. When selecting seed, remember...

Nebraska: Glyphosate-Resistant Marestail – Fall Management Options

Abundant rain the last couple of months in much of eastern Nebraska has promoted the relatively early emergence of winter annual weeds, particularly marestail....

Harvest Weed Seed Control – Waterhemp Seed Retention

Combines are the most important seed dispersal mechanism for weeds in our cropping system.  While a small amount of seed may leave the field with...