Weed Control

Palmer amaranth, commonly known as pigweed, has been a longtime foe of Arkansas soybean farmers. Jason Norsworthy, weed scientist for the University of Arkansas System Division of Agriculture, said it is the No. 1 weed affecting Arkansas soybean production. However,...

This year, the Acadia Parish Louisiana State University AgCenter will again be hosting the Acadia / LSU South Farm Field Day, June 12, beginning at 8:30 a.m. We will have LSU AgCenter rice and soybean specialists give talks regarding rice...

Waterhemp and Palmer amaranth, both members of the pigweed family, have become significant threats to crop yields and farm incomes across the Americas. In the United States, they compete with crops in the South and in parts of the...

• By Tom Barber • Horseweed (marestail) has always been an issue at spring burndown prior to planting. In the early 2000’s, it became a much bigger problem in the southern United States by developing resistance to glyphosate (Roundup). Horseweed can germinate...

Soybean varieties differ with respect to levels of tolerance or sensitivity to saflufenacil. Alabama Extension specialists have researched and recorded soybean varietal responses to saflufenacil applications for the past two years, in hopes of helping producers make informed decisions...

The Environmental Protection Agency has registered Taviuim Plus VaporGrip Technology, a premix from Syngenta that contains dicamba and S-metolachlor. State registrations are pending. The premix can be used preplant, at planting and early post-emergence on Roundup Ready 2 Xtend soybeans...

• By Charlie Cahoon and Wes Everman • 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 around the state this Extension season, we’ve observed many...

• By Larry Steckel • Clethodim is quickly replacing glyphosate as the “go-to” herbicide for grass control in West Tennessee. It began a few years ago as folks found that ryegrass and poa in many fields could no longer be controlled...

The Southern Weed Science Society recently honored Larry Steckel, a professor with the University of Tennessee Department of Plant Sciences, with the Outstanding Educator Award. The award was presented at the society's 2019 annual meeting in Oklahoma City, according...

After receiving recent U.S. Environmental Protection Agency approval, Valent U.S.A. recently launched Fierce MTZ Herbicide as a stand-alone liquid formulation. The Walnut Creek, California-based registrant plans to launch the premix of Fierce Herbicide and metribuzin for the 2019 growing season,...

Helm Agro US Inc. has added Zone Elite to the company’s "Zone" herbicide family for U.S. soybean growers. The newcomer is a pre-emergence herbicide for broad-spectrum control of more than 45 species of grasses and small-seeded broadleaves, according to a...

The newest University of Arkansas System Division of Agriculture weed scientist says he expects to rack up more than a few miles of field walking as he learns more about the issues faced by Mid-South farmers. Hailing from southern Wisconsin,...

American Vanguard Corp., also known as Amvac, has acquired the quizalofop line of herbicides from Corteva Agriscience. The primary uses are in soybeans, canola and pulse in the United States and Canada, according to a news release. The transaction includes...

Metribuzin (Sencor, Canopy, etc.) is a PSII inhibitor (Group 5) herbicide that provides residual control of an assortment of annual grasses and broadleaf weeds in soybean, including Palmer amaranth. With the extensive use of PPO inhibitors (Group 14) and chloroacetamide...

The 2018 Mississippi State University Row Crop Short Course will feature speakers from seven states covering topics ranging from nematode management in cotton and soybeans to the potential effects of new tariffs on the state’s agricultural industry. The MSU Extension...