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Ernst Undesser

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Arkansas: Dicamba – It’s Past April 15, Which Formulation Can I...

I have fielded several questions over the last week about dicamba regulations and what the rules “mean” and what can be sprayed etc.  Most...

Nebraska: Record Keeping: Pesticides, Herbicides, Fertilizer Applications

A recordkeeping form for private pesticide applicators in Nebraska is available for free online. This form fits neatly on one page, includes all required...

Nebraska: Invasive Scotch Thistle Weed has Staying Power

Early Detection and Rapid Response (EDRR) is a concept to identify potential invasive species prior to or just as the invasive is becoming established....
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Weed Control: Top Priority in Delayed Spring Planting – DTN

With major storm systems working their way across the Plains, Midwest and South this week, planting may seem a more distant dream than ever. For...

Missouri: Dicamba – 5 Things We’ve Learned, At Least So Far

As we prepare for another year with the Xtend soybean and cotton system, we thought it would help to briefly summarize some of the...

Weedy Rice: How a Domesticated Crop Can Become a Problematic Weed

Weedy rice is neither wild rice nor crop rice, but rice gone rogue that has shed some traits important to people. It also is...

Weed Management Requires Community Collaboration

Weed species continue to spread and management costs continue to mount, in spite of best management practices and efforts by research and extension personnel...

Indiana: ATS and Burndown Herbicides – Deep Diving On The Topic

This spring we have received a number of questions regarding the use of glyphosate-based burndown herbicides programs with ATS (ammonium thiosulfate).  Increased use of...

Herbicides: Why Are Adjuvants Important, How Are They Different?

Adjuvants are products used to enhance herbicide activity. They act as an herbicide activator or stabilizer by modifying the physical properties of spray solutions....

Texas Peanuts: 4 Keys To Consistent Weed Management

Best Management Practices (BMPs) for peanut production include effective season-long weed management. Below are four weed management principles in peanut production. Start clean 2. Use residual...

Minnesota: Palmer Pigweed Still Spreading – What You Should Know

Tracking Palmer amaranth in Minnesota Palmer amaranth in Minnesota started with just one pathway of spread – a single company selling contaminated native seed mix...

New EPA-Required Paraquat Training, Additional Use Restrictions

The United States Environmental Protection Agency recently announced the requirement and availability of a new certified applicator training module for paraquat dichloride (also known...

Nebraska: Invasive Marestail in Pastures – Act Quickly

Marestail / Horseweed a.k.a.: Canadian horseweed, Canada fleabane   Scientific name: Conyza canadensis (L.) Cronquist Family: Asteraceae (Sunflower family) Marestail, also known as horseweed, is a native annual forb. With the advent of...

North Carolina: New Burndown Herbicide – Elevore

Burndown season is here and while glyphosate (Roundup, others) plus 2,4-D plus flumioxazin (Valor SX, others) is the standard, there is some interest in...

Delaware: Dicamba – Check Pesticide Use Limitation Areas Before Spraying

The Delaware Department of Agriculture is urging all pesticide applicators that plan to use dicamba this growing season to check the U.S. Environmental Protection...

Indiana Wheat: Spring Herbicide Applications for Winter Annuals

The winter is finally winding down and we are bound to have warmer days and spring in the near future. As we look towards...

Iowa: Spring Burndown — Take Possible Resistance Into Account

With the short timeframe for fieldwork this spring prior to planting, early weed management may fall to the bottom of the priority list for...

North Carolina: Plenty Of Ruts — How Will Needed Tillage Affect...

Most folks are trying to put the 2018 growing season behind them, especially with the abnormally wet, hurricane-ridden, and drawn-out harvest season. However, traveling...

Illinois: With New Confirmation, Waterhemp Is The State’s Resistance Champ

The continual evolution of weed species and populations resistant to herbicides from one or more site-of-action groups represents one of the most daunting challenges...

Iowa: Check FieldWatch Before Spraying

Prepare for a safe pesticide application season by checking the FieldWatch registry before making pesticide applications. The FieldWatch registry is intended to provide easy-to-use,...