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Arkansas Field Crop Weed Control Resources

Extension specialists and agents offer the latest in research-based, practical recommendations for weed identification and management (control). Below are publications and links to resources to aid producers in the conrol of weeds in their fields.

weeds in a field

General Weed Management

Herbicide Resistance Traits: Quick Reference Guide

This guide will help to quickly identify what herbicides each herbicide-resistant trait provides resistance to in corn, cotton, rice, and soybean.

Metolachlor Herbicides: What Are the Facts?

This fact sheet provides information regarding the metolachlor chemistry, how to effectively use the herbicide, and recent discoveries of herbicide resistance in the state of Arkansas.

Zero Tolerance Pigweed Management 

A community based program that focuses on reduction of pigweed seed in the soil seedbank.  Reducing pigweed seed production each year is really the only way to stay ahead of resistance and cost effectively manage the number of pigweed that emerge in crop fields.

Sunflowers Grown for Dove Hunting 

Weed control is one of the most important pest management issues in sunflowers whether grown for production or hunting.  

Row Crop Plant-Back Intervals for Common Herbicides 

This publication gives producers a table display of herbicide trade and common names and their labeled plant-back restrictions for six major row crops grown in Arkansas. 

Flag The Technology 

A simple and effective method for identifying fields based on the herbicide tolerant technology planted in the field.

MP44 Recommended Chemicals for Weed and Brush Control  

A comprehensive guide to weed management in various areas including: crops, pasture, vegetables and homeowner yards. Updated annually with labeled herbicides for various uses. Information on weed resistance, sprayer calibration and crop tolerance.

pigweed in a field

Herbicide Resistance Management

Prevention and Control of Glyphosate Resistant Pigweed in Soybean and Cotton 

Glyphosate resistant pigweed has become the most economically significant weed pest of both cotton and soybean. This fact sheet contains alternative control options and recommendations for pigweed control.

Glyphosate Resistant Ryegrass Control 

This publication offers resources for prevention and management of Italian ryegrass which has become resistant to glyphosate as well as many wheat herbicides commonly used in Arkansas. 

Other resistance management resources:

cows far away in a pasture

Pasture Weed & Brush Control

Pasture Weed and Brush Control 

Properly applied weed control is one of the most cost-effective management practices available to forage producers. Many weed control practices are relatively inexpensive when compared to other pasture improvement methods.