Catching weed seeds before they start a new generation of herbicide-resistant plants is the tactic behind a relatively new method in the United States that weed scientists in Arkansas, Iowa, […]
A lot of our focus in rice residual herbicide programs is placed on grass control, especially as barnyardgrass is consistently listed as the most problematic weed across Arkansas rice acres. […]
In 2017, I started getting reports of a watergrass biotype/species (Echinochloa spp.) that was difficult to control using our suite of herbicides registered in rice. At the time, I knew […]
A team led by Tommy Butts, extension weed scientist for the University of Arkansas System Division of Agriculture, will be exploring new ways to manage herbicide-resistant weeds in row rice […]
Here’s what went wrong with weed management this year and what might be ahead for weed control in 2021.
Minnesota: Herbicide-Resistant Weed Screening Survey Sep 18, 2020
Herbicide resistant weeds are widespread in Minnesota and several reports on weed control failure following herbicide applications were reported recently. Therefore, testing weed populations for herbicide resistance is important to […]
Some of the earlier planted cotton fields are entering the true “laying it by” application timing. Given the continued reports of Palmer amaranth, prickly sida, barnyardgrass, junglerice and goosegrass escaping […]
The results of some studies UT Extension has done to try to determine why junglerice has become a major weed pest in Tennessee Xtend cotton and soybean acres has provided […]
We have started to notice Junglerice/Barnyardgrass emergence here in West Tennessee on Tuesday. The key way to ID junglerice at this young stage is the purple base and flat stem. […]
Ryegrass has been more troublesome this spring to get controlled, especially with all of the wet weather delaying timely applications.