Herbicide-Resistant Weeds

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This Week on N Field: Tips for Control of Herbicide-resistant Palmer Amaranth in Soybean

September 27, 2024
Nebraska Extension Weed Management Specialist Amit Jhala discusses the three basic principles that producers should adopt for maximum control of this persistent weed.

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This Week on N Field: Palmer Amaranth in the Panhandle

September 22, 2023
This episode of N Field Observations discusses control practices for farmers battling Palmer amaranth and an emergency measure the EPA is currently considering to provide assistance.

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This Week on N Field: Residual Herbicides in Soybean

June 22, 2023
It's important for Nebraska growers to apply pre-emergence residual herbicides in soybean — find out why in this new episode of N Field Observations.

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Palmer amaranth
Palmer amaranth interference in a dry edible bean field.

PREEC Battles Growing Palmer Amaranth Problem

April 26, 2023
Panhandle researchers are conducting 16 field trials this year to test six new herbicides and various management strategies to help producers control surging Palmer amaranth populations in sugarbeets and dry beans. 

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Herbicide Resistance Risk Calculator: A New Resistance Management Tool

October 29, 2020
In order to calculate an herbicide resistance risk score, four years of crops need to be entered. Once herbicides are chosen for all four years and a weed species is selected, the model will calculate an herbicide resistance risk score for each herbicide site of action that was selected.

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palmer amaranth research plot

How to Control Palmer Amaranth in Dry Beans in Nebraska

September 10, 2020
Palmer amaranth emergence occurs throughout the season, generally from early May to late August. Consequently, weed control programs targeting Palmer amaranth need to provide season-long control, or from planting through canopy closure.

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Palmer amaranth in conventional soybean field is difficult to control (Photo by Amit Jhala).

Palmer Amaranth and Velvetleaf Control in Conventional Soybean Using Overlapping Residual Herbicide Programs

April 30, 2020
With the depressed corn and soybean prices in recent years in the United States, growers have shown interest in conventional soybean. Herbicide programs should be selected carefully that provide season-long weed control.

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kochia plant growing in a field

Burndown and Pre-emergence Herbicides for Weed Control in Corn and Soybean

April 2, 2020
Profitable crop production starts with a weed control program that includes pre-plant and/or pre-emergence herbicides to deliver long-lasting, residual weed control. A spring burndown program in corn and soybean provides effective weed control to prepare for planting and helps to decrease the seedbank during the season.

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