UACES Facebook Barnyardgrass workshop planned for March 9 in Stuttgart
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Barnyardgrass workshop planned for March 9 in Stuttgart

Fast facts

    • 4 hours of CEUs available for IPM
    • Barnyardgrass workshop set for March 9 at Grand Prairie Center, Stuttgart.
    • No cost to attend. Pre-event registration preferred, email with your name, affiliation.

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FAYETTEVILLE, Ark. – Barnyardgrass may be rice-grower enemy No. 1, but it’s also problematic for other Mid-South crops. What’s in the future for this weed is among the topics in a March 9 workshop at the Grand Prairie Center in Stuttgart.

Named for USDA weed scientist Roy J. Smith, the workshop opens at 8:30 and runs through 3 p.m. There is no cost to attend. Pre-event registration is not required but is preferred. To register, send an email with your name and affiliation

“The presenters will highlight the most current research and information on management of barnyardgrass in all Southern crops,” said Jason Norsworthy, weed scientist for the University of Arkansas System Division of Agriculture. “In addition to speakers from Arkansas, barnyardgrass experts from Mississippi, Louisiana, and Texas will also be presenting.”

Norsworthy is among those on the agenda -- speaking on “What’s in the pipeline?” for barnyardgrass.

“I will be discussing at least four new herbicides and three new modes of action that are being developed for Mid-South rice,” Norsworthy said. “The likely fit for these herbicides in our current rice production systems will be highlighted along with their spectrum of activity, with special emphasis on barnyardgrass.”   

Attendees can also earn four hours of CEUs in the IPM category. The lunch menu includes gumbo, crawfish, potatoes, corn and sausage.

Norsworthy said there is also an abundance of door prizes including gift cards, coolers and tools.

The program includes:

    • 9:35 a.m. - Contributions of Roy J. Smith to Mid-South Agriculture - Ford Baldwin, weed consultant.
    • 9:50 a.m. - How Problematic Barnyardgrass is in the Mid-South and Current State of Resistance - Bob Scott, extension weed scientist, U of Arkansas System Division of Agriculture
    • 10:20 a.m. - The Biology of Barnyardgrass: Management Implications - Daniel Stephenson, associate professor-weed science, LSU AgCenter
    • 10:50 a.m. - Non-Chemical Approaches to Improving Barnyardgrass Management - Jason Bond, associate research professor Mississippi State University.
    • 11:20 a.m. - Resistance Prevention and Contending with ALS-Resistant Populations - Muthu Bagavathiannan, assistant professor-weed science, Texas A&M.
    • Noon  - Lunch
    • 1:20 p.m. - Managing Barnyardgrass in Mid-South Crops - Tom Barber, associate professor, extension weed scientist for the University of Arkansas System Division of Agriculture
    • 1:50 p.m. - What’s in the Pipeline? - Jason Norsworthy, professor-Crop, Soil and Environmental Sciences, U of Arkansas System Division of Agriculture.
    • 2:20 p.m. - Panel Discussion
    • 3 p.m. – Adjourn

For more information about crop production contact your county extension office, visit or

The Arkansas Cooperative Extension Service is an equal opportunity/equal access/affirmative action institution. If you require a reasonable accommodation to participate or need materials in another format, please contact your County Extension office (or other appropriate office) as soon as possible. Dial 711 for Arkansas Relay.

The Arkansas Cooperative Extension Service offers its programs to all eligible persons regardless of race, color, sex, gender identity, sexual orientation, national origin, religion, age, disability, marital or veteran status, genetic information, or any other legally protected status, and is an Affirmative Action/Equal Opportunity Employer.

By the U of A System Division of Agriculture

Media Contact: Mary Hightower
Dir. of Communication Services
U of A Division of Agriculture
Cooperative Extension Service
(501) 671-2126

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