Arkansas Field Crop Weed Control Resources
Extension specialists and agents offer the latest in research-based, practical recommendations for weed identification and management. Below are publications and links to resources to aid producers in the control of weeds in their fields.
This file provides information for general herbicide application and mixing techniques as well as sprayer calibration procedures.
This fact sheet provides an up-to-date look at the current distribution of Palmer amaranth resistance to multiple herbicide modes-of-action and provides recommendations for successful management across cropping systems.
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.
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:
- ALS Resistant Nutsedge in Rice
- Answers to Frequently Asked Questions on Herbicide Resistance Management
- What Growers Should Know About the Spread of Herbicide Resistant Weeds
- Herbicide Mode of Action / Classification Chart
- 11 Biggest Herbicide-Resistant Weeds
- Barnyardgrass Control in Rice
- Harvest Weed Seed Control
This fact sheet provides a quick look at identification keys for Italian ryegrass, confirmed herbicide resistance in Arkansas, and recommended strategies for successful management across cropping systems.
This guide will help to quickly identify what herbicides each herbicide-resistant trait provides resistance to in corn, cotton, rice, and soybean.
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.
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.
Weed control is one of the most important pest management issues in sunflowers whether grown for production or hunting.
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.
A simple and effective method for identifying fields based on the herbicide tolerant technology planted in the field.
Metribuzin provides residual control of an assortment of annual grasses and broadleaf weeds in soybean, including Palmer amaranth; however, the handicap to metribuzin use is the sensitivity of soybean varieties to this herbicide. The University of Arkansas System Division of Agriculture conducted an extensive greenhouse screening of soybean varieties. This publication breaks down varieties into an injury scale of slight, moderate, or severe susceptibility to metribuzin.
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.
- Chapter 7 - Weed Control, Rice Production Handbook MP192
- 2020 Rice Quick Facts
- 2020 Rice Management Guide
- 2020 Furrow-Irrigated Rice Handbook
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.