UACES Facebook Feb. 28 Pigposium III puts resistant pigweed in spotlight
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Feb. 28 Pigposium III puts resistant pigweed in spotlight

By Mary Hightower                                                                              
U of A System Division of Agriculture

Fast Facts:

  • Pigposium III addresses PPO resistance, dicamba, cover crops
  • Pigposium set for East Arkansas Community College, Forrest City

(330 words)

LITTLE ROCK – Herbicide resistant pigweed, one of the biggest problems Mid-South farmers are wrestling, takes center stage at Pigposium III, set for Feb. 28 at East Arkansas Community College in Forrest City. register now click here

“Resistant pigweed has really challenged us as scientists to find ways to manage this pest as chemical options wane,” said Tom Barber, extension weed scientist for the University of Arkansas System Division of Agriculture. “During this full day of learning, you’ll hear from weed scientists from across the Mid-South as well as growers discussing the options they’re using and why.”

Pigposium III opens at 9 a.m. at EACC’s Fine Arts Center. There’s no cost to attend and lunch is included in the program. The 2017 lineup:

  • 9 a.m. – Introduction – Current Infestations of PPO-Resistant Palmer Pigweed, Jason Norsworthy, weed scientist, Division of Agriculture
  • 9:10 a.m. - Why Should I Proactively Manage for Herbicide Resistance in Pigweed? Bob Scott, Extension weed scientist, Division of Agriculture
  • 9:40 a.m. - Expectations for PPO-Resistant Pigweed Control with Pre-emergence and Postemergence Herbicides, Tom Barber, extension weed scientist, Division of Agriculture
  • 10:10 a.m. - Palmer Amaranth Management Software: A New Tool in Our Fight Against Pigweed, Michael Popp, economist, Division of Agriculture
  • 11 a.m. - Covers Crops & Tillage: Do These Really Help Manage Pigweed? Larry Steckel, weed scientist, University of Tennessee
  • 11:30 a.m. - What Does Pigweed Control Look Like Five Years from Now? Norsworthy
  • 1:15 p.m. - Comparison of Soybean Technologies: Understanding Risk and Reward, Jason Bond, weed scientist, Mississippi State
  • 1:45 p.m. - A Season to Remember: Our Experiences with Off-site Movement of Dicamba in 2016, Kevin Bradley, weed scientist, University of Missouri
  • 2:15 p.m. - Navigating Dicamba Regulations and Labels: What is Allowed? Ples Spradley, extension pesticide safety coordinator, Division of Agriculture
  • 2:45 p.m. – Spray Droplet Considerations: Optimizing Contact and Systemic Herbicides, application technologist, Division of Agriculture
  • 3:30 p.m. – Panel discussion: What are we doing and why are we doing it?
    • Narrow-windrow burning – Harry Stevens, producer Helena
    • Cover Crops – Adam Chappell, producer, Cotton Plant
    • Zero Tolerance – Dane Coomer, producer, Piggott.

To learn more about weed control, visit, or contact your county extension office.

The University of Arkansas System Division of Agriculture 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 as soon as possible. Dial 711 for Arkansas Relay. 

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

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