Sunday, January 18, 2026

glyphosate-resistant weeds

Mark your calendars for June 16 UT Weed Tour

The University of Tennessee Institute of Agriculture will host the annual Weed Tour on Wednesday, June 16, at the West Tennessee AgResearch and Education Center. The guided tour will feature 60 weed management research tests in corn, soybean and...

Ryegrass control: We’re losing the battle

• By Daniel Stephenson • The major issue I have discussed with Louisiana crop producers, Louisiana State University AgCenter parish agents, agricultural consultants and agricultural industry this year is glyphosate-resistant Italian ryegrass. It is not a new problem for Louisiana...

We may have to rethink our early burndown strategy

• By Larry Steckel • The challenge to burning down grasses before planting has become increasingly difficult in the past half dozen years. There are two reasons for the sketchy grass control with the traditional burndown application of glyphosate +...

Glyphosate-resistant Italian ryegrass management: Now is the time!

• By Daniel Stephenson and Josh Copes • Glyphosate-resistant Italian ryegrass has been an issue in the mid-South for the past 10 to 15 years. In Louisiana, growers have been battling this pest for five to 10 years, and the...

Burndown applications: Getting late early!

• By Larry Steckel • Rain, rain, rain! We are behind the burndown pace of most Tennessee springs where at least some would have burndown applications applied by this time. This has resulted in a flurry of calls on options. The...

Winter weed questions already?

• By Tom Barber • The New Year is here, and with it comes new hope that this growing season will be much better than 2019. This year, we have already started in somewhat better shape (at least prior to...

EPA reaffirms position that glyphosate does not cause cancer

The U.S. Environmental Protection Agency has taken the next step in its review of glyphosate. As part of the action, the agency reaffirms its findings that the herbicide poses no risk to public health when used according to the current...

EPA registers dicamba premix from Syngenta

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...

Clethodim gains popularity as glyphosate-resistant weeds increase

• 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...

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