All posts by Larry Steckel, Extension Weed Specialist

24 May 2021

Reminder: UT Cotton Scout School (Friday, May 28, 2021)

24 May 2021
Author:  Comments Off on Reminder: UT Cotton Scout School (Friday, May 28, 2021)

The UT Cotton Scout School is scheduled for the last Friday of the month, May 28st, at the West Tennessee Research and Education Center (605 Airways Blvd, Jackson). There is no fee, and preregistration is not required. Registration begins at 8:00 AM with the program starting at 8:30. Content will include classroom and hands-on training with an optional ‘go-to-the-field session’ after a box lunch. Topics covered will include cotton development and identification and symptoms of insect pests, plant diseases, and weeds.


19 May 2021

Ryegrass and Johnsongrass Management: Where Do We Go From Here?

19 May 2021
Author:  Comments Off on Ryegrass and Johnsongrass Management: Where Do We Go From Here?
Ryegrass in corn escapes glyphosate + dicamba burndown

This has ,clearly, been the worst year for ryegrass in the state in both corn and wheat.  There are a good many corn fields that are clean where the burndown was glyphosate + clethodim.  Fields where dicamba was added in the burndown are, in most cases, the most infested with ryegrass.  As mentioned in a previous blog, other than just going out and spraying the typical POST corn application and hoping that pushes the ryegrass on to maturity there is no real solution to controlling it. Continue reading →


19 May 2021

UT Weed Tour (Wednesday June 16, 2021)

19 May 2021
Author:  Comments Off on UT Weed Tour (Wednesday June 16, 2021)

JACKSON, Tenn. – 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 cotton as well as a demonstration of herbicide symptomology. Continue reading →


04 May 2021

Ryegrass an Fescue Management in Emerged Corn

04 May 2021
Author:  4 Comments

The call of the week is how to control ryegrass and, in a few other cases, fine fescue in emerged corn (Video of ryegrass and fescue in corn). Several have reported these grasses recovering from glyphosate + dicamba or in a few instances, glyphosate + rimsulfuron burndown.  The questions that follow are why did they recover and what is the best way to control them now that the corn is up? Continue reading →


03 May 2021

UT Cotton Scout School (Friday, May 28, 2021)

03 May 2021
Author:  Comments Off on UT Cotton Scout School (Friday, May 28, 2021)

The UT Cotton Scout School is scheduled for the last Friday of the month, May 28st, at the West Tennessee Research and Education Center (605 Airways Blvd, Jackson). There is no fee, and preregistration is not required. Registration begins at 8:00 AM with the program starting at 8:30. Content will include classroom and hands-on training with an optional ‘go-to-the-field session’ after a box lunch. Topics covered will include cotton development and identification and symptoms of insect pests, plant diseases, and weeds.


17 Apr 2021

Palmer Amaranth has Started to Emerge

17 Apr 2021
Author:  Comments Off on Palmer Amaranth has Started to Emerge
Palmer amaranth emerging the week of 4/11/21

Palmer amaranth has begun to emerge and unfortunately it is not a problem to find seedling Palmer in our fields. This is not a surprise as research from two decades back suggests that environmental conditions like those we experienced the first half of April should be conducive for germination to begin. Continue reading →