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...
Iowa: Good News, Bad News From Latest Palmer Pigweed Tour
Editor's Note: Dr. Bob Hartzler is a professor of agronomy at Iowa State University and an Extension weed specialist. He conducts research on weed...
Louisiana: Don’t Ignore Weeds Between Now And December
It’s not hard to notice how green corn fields are following harvest, and we all know what that color means: weeds. Managing weeds post-harvest...
Iowa: Can You Cut Weed Seed Production with Late-season Herbicides Sprays?
Problems caused by unfavorable conditions this season have resulted in greater than normal weed escapes. These weeds may reduce crop yields and definitely will...
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...
“Planting Green” to Manage Weeds – Video
On the Eastern Shore of Maryland, Trey Hill of Harborview Farms, is using planting green (i.e. planting cash crops into green, living cover crops)...
Weed Management with Cover Crops – Video
Taylor Clarke, Farmer and Extension Agent from Brunswick County, VA, discusses how he transformed his tobacco-based family farm into a soybean-based system by introducing...
Kansas Wheat: Maximize Next Year’s Yields, Control Volunteer Wheat Now
Hidden in the stubble of 2019's wheat harvest, wheat curl mites are moving to find sprouting volunteer wheat seedlings to inhabit and continue the...
Tennessee: Pigweed Escapes in Xtend Crops Continue to Mount
I was thinking it might be 2021 or at least 2020 before we would start getting reports of Xtend soybean fields that were wrapped...
Alabama: Post-Harvest Weed Control – Don’t Quit Yet
As farmers enter harvest season, let’s remember that the work isn’t done just because the crop is out of the field. Planning efforts for...
Glyphosate Lowers pH of Dicamba Spray Mixtures, Says Study
A University of Tennessee Institute of Agriculture study published in the Journal of Weed Technology found that mixing glyphosate with formulations of dicamba consistently...
Iowa: Weed Management – What Is a Realistic Goal?
The current approach to weed management in Iowa is at risk due to rapid expansion of herbicide-resistant weeds. In order to preserve the efficacy...
Illinois: Dicamba Injury – Complaints Skyrocket – Answers?
Approximately two weeks ago, only a few (11 reported as of July 16) dicamba-related complaints had been filed with the Illinois Department of Agriculture...