Postemergence Herbicide Options for PPO-Resistant Palmer Amaranth (Amaranthus palmeri)

Thursday, January 4, 2018
Salon E (Marriott Rivercenter Hotel)
Friday, January 5, 2018
Salon E (Marriott Rivercenter Hotel)
Michael M. Houston , University of Arkansas
Tom Barber , University of Arkansas-Extension
Jason K Norsworthy , University of Arkansas
Wyatt Coffman , University of Arkansas
Postemergence Herbicides Options in PPO-resistant Palmer amaranth

Postemergence herbicide options for control of PPO-resistant Palmer amaranth in non-crop trials.  Treatment list includes cotton herbicides to evaluate weed control for PPO-resistant Palmer amaranth in cotton production for East Arkansas.  Trials were conducted in Crawfordsville and Marion, AR in 2016 and 2017.  Visual control ratings and weed density ratings were recorded weekly to evaluate length and quality of control.