Calls continue from some folks frustrated with goosegrass, junglerice and Palmer amaranth escapes after a dicamba + glyphosate application. A large reason for the frustration is the follow-up applications have often provided less control than hoped. Timing is the cause for some of these poor weed control issues. Herbicide resistance is another cause. Continue reading
Weed management is dominating calls to UT Extension specialists this week. Larry Steckel answers those frequently asked questions in this episode. Scott Stewart joins him to discuss insect management issues to look out for as we enter July. Listen.
Because of restrictions due to the COVID-19 situation, the UT Soybean Scout School will be offered by Zoom from 9:00-11:30 AM on Wednesday, July 8th. The Zoom link is provided below. However, a password is required. Please contact Ms. LaDonn Kelso (dkelso2@utk.edu) or myself (sdstewart@utk.edu) to obtain the meeting password.
The Soybean Scout School provides training for understanding soybean growth and development and the identification, scouting and basic management of pests including insects, weeds, and disease. Pesticide re-certification points and Continue reading
Calls continue to come in on concerns about poor Palmer amaranth control after a dicamba application. More than a few have reported that Palmer amaranth has survived multiple dicamba + glyphosate applications (Example above). Continue reading
It’s been a generally quite week for insect problem but below are some reminders and suggestions.
Cotton: Most cotton is past the stage where thrips are a concern. Tarnished plant bugs will now be our primary focus for much of the season. Thus far, most reports indicate a slow and sporadic start with plant bugs, but treatments are now being made more widely. However tempting, I encourage people to avoid using Continue reading
Some reports have come from folks concerned by the lack of Palmer amaranth response to applications of dicamba plus glyphosate applied in the last 10 days. I expect to get more of these calls as I have seen similar results in our research this spring. Continue reading
As most know by now, on June 3rd the U.S. Court of Appeals for the 9th Circuit vacated the labels for XtendiMax, FeXapan and Engenia. The question since is how do we proceed from here controlling weeds in Xtend cotton and soybean?
The folks at the Tennessee Department of Agriculture (TDA) have stated that until they get direction from the Environmental Protection Agency to the contrary, growers can still apply those herbicides according to the label directions. How long this will be is uncertain. It could be just a day, several weeks or depending upon legal maneuvers, well into July. Continue reading
The Tennessee Soybean Association and Promotion Board will once again sponsor the ‘Top Bean’ soybean yield contest in 2020. Continue reading