Saturday, November 15, 2025

weed management

Getting into the weeds

I have always believed there are certain things in life that are not worth getting too into the weeds about. Sometimes I will research something so much that I start questioning even the basics of the original topic I...

Weed Seed Destroyer

LSU AgCenter shines light on resistant weeds. ⋅ By Johnny Morgan ⋅ With the increase in herbicide-resistant weed varieties, researchers are examining new methods of control — including using blue light to target stubborn weed species. LSU AgCenter weed scientist Lauren Lazaro...

For the most troublesome weed in rice, the winner is …

The latest survey conducted by the Weed Science Society of America shows that Palmer amaranth is the hardest to control weed in grass crops, while foxtail species are the most prevalent. More than 315 weed scientists across the United States...

LSU AgCenter sets South Farm Field Day, June 12

This year, the Acadia Parish Louisiana State University AgCenter will again be hosting the Acadia / LSU South Farm Field Day, June 12, beginning at 8:30 a.m. We will have LSU AgCenter rice and soybean specialists give talks regarding rice...

On track

New ground sprayer design allows for wider boom, less rutting and improved efficiency • By Vicky Boyd, Editor • Randy Chrisman had an “aha” moment during the 2016-17 winter when he came up with the idea for a rubber-tracked sprayer with a...

Good weed control starts with proper weed ID

Vicky asked me to talk about weed management, so I asked Dr. Muthukumar Bagavathiannan to help me. Muthu is our rice weed scientist located at College Station, but he makes many forays into the Texas Rice Belt during the...

LSU AgCenter sets rice grower meetings for January, February

The LSU AgCenter will hold a series of meetings to help rice farmers prepare for their 2019 crop. The educational sessions will provide farmers with advice on choosing varieties, land preparation, controlling pests and the new farm bill. Farmers also will...

Choices, choices, choices: Consider all the variables

It’s time to finalize early season weed control decisions in Missouri rice. These decisions depend on already selected choices of several systems, such as furrow-irrigated, paddy-flooded, water-seeded, Clearfield, Provisia, hybrids or conventional rice. Then there’s weed history, soil types, soil...

Spend money wisely up front to save on costs later

While front-loading expenses at the beginning of the season can be difficult to deal with, it’s a wise investment to protect your overall bottom line. Beyond seed selection, the use of seed treatments and residual herbicides are our best...

An early herbicide mistake can plague you all season

We know some of you do a lot of fall/winter tillage to control weeds. However, a spring burndown herbicide application or tillage just prior to seeding can help achieve a clean seedbed. Practicing a stale seedbed can also help...

Be on the lookout for two new watergrass relatives

Weed control in California rice has become more complicated over the past few years, both due to increasing number of herbicide-resistant weeds as well as new weeds, including weedy rice and for some, winged-primrose willow. Just as we were...

Newly introduced Loyant offers new mode of action for troublesome weeds

With the introduction this season of Loyant with Rinskor Active from Corteva Agriscience, growers have a new mode of action to add to their weed-management toolbox, according to a news release. This takes on more importance because of the growing...

DowDuPont announces new name for ag division spin off

The agricultural division of DowDuPont, the company created when Dow and DuPont merged, will have a new name come this summer – Corteva Agriscience. As part of the merger, three divisions will be created. DowDuPont expects to spin off the...

The hunt is on

Weedy rice control remains elusive for California growers, but researchers continue to search for potential herbicides. By Vicky Boyd Editor Whitney Brim-DeForest displayed the five different biotypes of weedy rice found in California at the Rice Experiment Station's annual Rice Field Day. The California...

EPA registers Gowan herbicide premix

The Environmental Protection Agency has registered Gambit, a premix from Yuma, Arizona-based Gowan USA comprising Permit and Peak. The active ingredients are halosulfuron and prosulfuron, respectively. Arkansas, Louisiana and Missouri have issued state registrations. Approval is pending in Texas and...

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