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Ernst Undesser

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Plan Your Cover Crop for Weed Suppression – Video

How much biomass do you need for weed suppression? The more you let a cover crop grow, the greater effect that biomass will have...

No Pigweed Left Behind – Make That A Goal At Harvest

At harvest this year, watch for patches of pigweeds, which are quickly multiplying across Ohio. A campaign dubbed “No Pigweed Left Behind” is aimed at...

Texas: Herbicide-Resistant Kochia Invading High Plains

Kochia, a kind of tumbleweed, has long been associated with the Texas High Plains, but its abundance is starting to alarm Texas A&M AgriLife...

Tennessee Wheat: Ryegrass Management Options

With all the issues with ryegrass in wheat last year many are asking if there are any better options for control. The main issue...

Iowa: Harvest Weed Seed Control Clinic, Boone, Oct. 21

The spread of multiple-resistant weeds threatens Iowa’s production system. In order to slow the expansion of resistance, greater diversity in weed management is necessary.  An...

Herbicide Resistant Waterhemp Moves Into Canada

A team including evolutionary biologists from the University of Toronto (U of T) have identified the ways in which herbicide-resistant strains of an invasive...

Ohio: 4 Reminders for Fall Herbicide Treatments

If you have never applied herbicide in fall to burn down winter annuals, or done it only infrequently, this might be the year to...

Fall Burndown: 3 Points To Remember

The plentiful rain in September has provided ideal conditions for establishment of winter annual weeds, thus many no-till fields will have dense stands of...

Minnesota: Check Fields for Palmer Pigweed This Fall

The fall harvest season is a good time to look for the presence of Palmer amaranth. Palmer amaranth is on Minnesota’s prohibited noxious weed...

Weed Management: Taking Drones Beyond Scouting – Video

UAV technology is being incorporated into agriculture, from scouting crops and fruit trees to counting and tracking cattle. Two members of the GROW team...

Louisiana Sugarcane: Turning Up the Heat for Weed Control

Weeds are thieves. They steal nutrients, sunlight and water from our food crops. In the case of sugarcane, yield refers to the amount of...

Iowa: ISU to Conduct Survey for Herbicide Resistant Waterhemp

The escalating spread of herbicide-resistant weed populations has become a production challenge in the corn-soybean based cropping system of the Midwest. With the evolution...

South Dakota: Palmer Amaranth Declared a Prohibited Noxious Weed Seed

As of September 2, 2019, palmer amaranth seed has been added to South Dakota’s list of prohibited noxious weed seeds. Seed for sale within...

Ohio Corn, Soybeans: Reminders About Pre-Harvest Herbicide Treatments

Information on preharvest herbicide treatments for field corn and soybeans can be found in the “Weed Control Guide for Ohio, Indiana, and Illinois”, at...

Ohio Soybeans: Sorting Out Herbicide Resistance Traits

The world of soybean herbicide resistance traits has gotten more complex over the past several years.  The good news is that we have new...

Is Unmanned Aerial Weed Control Ready for Takeoff?

Scientists with the Weed Science Society of America (WSSA) say unmanned aerial vehicles (UAVs) may soon revolutionize weed management. And it’s easy to see...

Palmer Pigweed Resistance – Keys Behind the Evil Genius

Corn, soybean, and cotton farmers shudder at the thought of Palmer amaranth invading their fields. The aggressive cousin of waterhemp - itself a formidable...

Kentucky Wheat: Ryegrass Control Begins at Planting

Italian ryegrass (AKA: annual ryegrass) continues to be a major weed in Kentucky wheat acres, and has arguably become tougher to control over the...

Monster Tumbleweed: Invasive New Species Here to Stay

A new species of gigantic tumbleweed once predicted to go extinct is not only here to stay -- it's likely to expand its territory. The...

Integrated Weed Management – Understand the Soil Seed Bank – Video

Understanding of the weed seed bank is crucial for successfully using integrated weed management. Weed seeds are deposited into the seed bank at the...