Saturday, November 15, 2025

university of tennessee

Uncertainties linger amid pandemic’s loosening grip

Researchers from the University of Tennessee Institute of Agriculture outline gains in all major agricultural sectors in this year’s economic report to the governor, a marked improvement from the previous fiscal year that reflected depressed global demand for U.S....

Defoliation trials, thoughts and concoctions for the next few days

• By Tyson Raper • I dug through my closet to get a jacket this morning. With cooler temps creeping into the forecast, calls on defoliation timing, products and rates have really picked up. In this blog, I highlight results...

They’re B-A-C-K! Be prepared for another round of armyworms

• By Sandy Steckel and Scott Stewart • We are currently experiencing another round of fall armyworm in bermudagrass here at the West Tennessee AgResearch and Education Center in Jackson, Tennessee, and this is also occurring elsewhere. We wouldn’t be...

Pigweed escapes after glufosinate raise concerns

• By Larry Steckel • We have visited fields where growers have found Palmer amaranth that escaped an auxin herbicide (Engenia, XtendiMax, Enlist One) application also escaped follow-up glufosinate (Liberty) application (Pictures 1 and 2).   Auxin herbicide-resistant Palmer amaranth was documented...

Manage large Palmer amaranth escapes

• By Larry Steckel and Delaney Foster • We have visited fields where growers assumed their Engenia or XtendiMax + glyphosate had controlled Palmer amaranth only to find that many had escaped and are now quite large (Picture 1). The...

Grasses gone wild

• By Larry Steckel and Clay Perkins • There have been several reports last week of multiple glyphosate and/or clethodim applications not controlling barnyardgrass or jungle rice. We really do not know the precise reasons for the lack of control...

Managing a late cotton crop

• By Tyson Raper • In the past 10 days, the Tennessee cotton crop appears to have turned the corner. Still, most all our acres classify as "late," with the majority of the crop planted after the 15th of May....

Managing dicamba- or Enlist One-resistant Palmer amaranth

• By Larry Steckel, Clay Perkins and Delaney Foster • Judging from research tests and walking a few farmers’ fields, many of the preemergence-applied herbicides in soybeans and cotton played out about a week or so ago. Timing is everything...

Start scouting for Palmer amaranth that escapes dicamba or 2,4-D

• By Clay Perkins, Larry Steckel and Delaney Foster • This picture (Picture 1) was taken just four days after a dicamba + glyphosate + clethodim application on 3-inch Palmer amaranth. Judging from some experience with this Palmer population, the...

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...

Many herbicides are in tight supply — what are the substitutes?

• By Larry Steckel • The constant word I am hearing from retailers is that many herbicides are in tight or limited supply going into the spring. This all started back in late January when the most commonly used spring...

UT launches Tennessee Master Crop Crop certification

Cotton, corn, soybeans, wheat — these row crops make up the bulk of row-crop agriculture across Tennessee, and a new certification from University of Tennessee Extension is now available for row-0crop producers. The Tennessee Master Row Crop certification program, which...

2020 UT Cotton Variety Trial Results now available online

The 2020 Tennessee Cotton Variety Trial Results publication (PB 1742) is now available online. Included within these results are nine large strip trials (CSTs) testing 15 XtendFlex commercial varieties, five large strip trials (CSTs) testing five Enlist commercial varieties...

Preliminary UT 2020 cotton CST data

• By Tyson Raper • Preliminary data from the 2020 Tennessee cotton county standard trial data is now available.  We are releasing an average table for the XtendFlex trials and the Enlist trials today.  We only tested the XtendFlex and...

Defoliating in volatile weather conditions (is this the end of October?)

• By Tyson Raper • If you trust the forecast, volatile temperatures should increase over the weekend before again falling into the upper 40s by the middle of next week. Thanks, 2020. Unfortunately, we do not have great options after Sunday...

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