palmer pigweed

Every female Palmer amaranth plant can produce over 1 million seeds that may germinate and compete with a cotton crop. One doctoral student is taking on these weeds, which rob farmers through herbicide costs, yield damage or quality losses. Palmer...

• By Larry Steckel • We have visited fields where growers have found Palmer amaranth that escaped an auxin herbicide (Engenia, XtendiMax, Enlist One) application also escaped follow-up glufosinate (Liberty) application (Pictures 1 and 2).   Auxin herbicide-resistant Palmer amaranth was documented...

• By Larry Steckel and Delaney Foster • We have visited fields where growers assumed their Engenia or XtendiMax + glyphosate had controlled Palmer amaranth only to find that many had escaped and are now quite large (Picture 1). The...

Cover crops can be an important part of integrated management of weeds in field crops The over-reliance on one form of weed control has resulted in the selection of weeds resistant to herbicides. Glyphosate, a non-selective broad-spectrum herbicide, has been...

• By Larry Steckel, Clay Perkins and Delaney Foster • Judging from research tests and walking a few farmers’ fields, many of the preemergence-applied herbicides in soybeans and cotton played out about a week or so ago. Timing is everything...

• By Clay Perkins, Larry Steckel and Delaney Foster • This picture (Picture 1) was taken just four days after a dicamba + glyphosate + clethodim application on 3-inch Palmer amaranth. Judging from some experience with this Palmer population, the...

Sports is a competitive environment. Before a big game, the TV announcers typically spend at least an hour or so on air speculating which team will win. Somewhere in the dialogue, they’ve been known to say, “It depends on...

• By Stanley Culpepper and Taylor Randell • Research over the past three seasons has confirmed a Georgia population of Palmer amaranth to be resistant to topical applications of PPO herbicides including Reflex, Cobra and Blazer (Figure 1). For cotton and...

The Caprock Crop Production Conference for Crosby and Floyd counties is set for April 1 in Floyd County. The Texas A&M AgriLife Extension Service event will take place at the Floyd County Friends Unity Center, 990 Farm-to-Market Road 786...

• By Larry Steckel • Has Palmer amaranth evolved dicamba resistance in Tennessee? Results from some of the greenhouse experiments this winter and spring as well as in field research this growing season would suggest that our state now has...

• By Tom Barber • Over the last couple weeks I have had several conversations with consultants and growers about pigweed control. Many are concerned with the levels of postemergence control they are seeing in all technologies but especially with...

Despite the COVID-19 pandemic, Cotton Incorporated leaders and scientists continue to advance the crucial agricultural and environmental research for which they are responsible. Cotton Incorporated’s Agricultural and Environmental Research Department has taken a steadfast approach to managing ongoing research projects...

• By Larry Steckel and Clay Perkins • Calls continue to come in on concerns about poor Palmer amaranth control after a dicamba application. More than a few have reported that Palmer amaranth has survived multiple dicamba + glyphosate applications...

• By Larry Steckel • Some reports have come from folks concerned by the lack of Palmer amaranth response to applications of dicamba plus glyphosate applied in the last 10 days. I expect to get more of these calls as...

Cotton Farmers Urged To Get Back To The Basics In Controlling Palmer Amaranth • By Amanda Huber, Southeast Editor • Cotton farmers have made monumental advancements in weed control and pesticide stewardship across Georgia during the past five years, according to University...