Weed Management

Marestail seedling and field infested with marestail
Figures 1 (inset). Marestail plant forming rosette in spring. Figure 2. Corn field infested with glyphosate-resistant marestail in eastern Nebraska. (All photos by Debalin Sarangi).

When is a Good Time to Scout and Control Glyphosate-Resistant Marestail? March 8, 2017

Marestail, also known as horseweed or Canada fleabane, is a winter or summer annual weed in Nebraska. Historically, marestail was found in waste area, field edges, along roadsides, and railway tracks; however, no-till crop production systems over the last 20 years favor marestail germination and establishment in agronomic crops in Nebraska.

Read more

Soybean field treated with Sonic herbicide

New Soybean Herbicides for 2017 March 6, 2017

Information on new soybean herbicides, incuding their modes of action

Read more

New Corn Herbicides for 2017 February 24, 2017

Information on new herbicides for corn that will be available for the 2017 crop production season.

Read more

kochia seedlings
kochia seedlings

Q&A: When is the Best Time for Kochia Control? February 23, 2017

Wondering how best to manage the flush of winter annuals that came up during the recent warm spell? Are they likely to survive a return to winter conditions? This Q&A addresses these and related questions on pre-season weed management.

Read more

Downy brome, also know as cheatgrass, in a field
Figure 1. Downy brome (cheatgrass) is greening up in a pasture in Scottsbluff County due to recent warmer temperatures; photo taken February 20, 2017. (Photo by Cody Creech)

Take Advantage of Warm Weather this Winter to Control Downy Brome February 20, 2017

Just a month after double-digit below zero temperatures, Nebraska hit an extended period of above normal temperatures, coaxing weed seeds to germinate early in many fields and pastures and creating the need to tackle the influx early.

Read more

Dormant Spraying Alfalfa Weeds February 17, 2017

Starting your weed control in dormant alfalfa can help ensure that weeds don't lower yields, reduce quality and slow hay drydown in that first cutting.

Read more

Section of the Herbicide Classification Chart
Section of the Herbicide Classification Chart

2017 Chart for Selection of Herbicides Based on Site of Action February 2, 2017

Management of glyphosate-resistant weeds is now the greatest challenge for Nebraska crop producers and land managers. The 2017 Herbicide Classification Chart from Take Action Against Weeds is an easy means for identifying herbicide site of action to avoid repeated use of the same action on the same field.

Read more

sunflower herbicide efficacy table

Using Herbicide Prices and Efficacy Ratings to Select for Top Value January 17, 2017

Take time this winter to strategize your weed management plan. Use Nebraska Extension resources to study herbicide efficacy, mode and site of action, and approximate costs to select products likely to provide the most value in weed control.

Read more

Pages