Weed Management

Mid-season Weed Management in Corn and Soybean June 14, 2019

Managing weed escapes mid-season and late-emerging weeds can have a substantial impact on the spread of herbicide-resistant weed populations the following year. View the table of preemergence herbicides that can be applied postemergence.

Read more

Glyphosate-resistant Palmer amaranth in corn
Figure 1. Figure 1. Glyphosate-resistant Palmer amaranth infesting a corn field in south central Nebraska. (Archive photo by Amit Jhala)

Glyphosate-Resistant Palmer Amaranth Field Day July 10 June 7, 2019

Jason Norsworthy, a weed scientist from the University of Arkansas, will be the keynote speaker at this year's Glyphosate-Resistant Palmer Amaranth Management Field Day on Wednesday, July 10, near Carleton.

Read more

Injury from 1/10 Labeled Rate of XtendiMAX on R1 Roundup Ready Soybean

Effects of Dicamba Micro-Rates On Non-Dicamba-Resistant Soybean June 6, 2019

The authors report on research to evaluate six micro-rates of two dicamba products on growth, development, and yield of three non-dicamba-resistant soybeans at three growth stages of application: second trifoliate (V2), beginning flowering (V7/R1), and full flowering (R2).

Read more

Marestail

Control of Glyphosate-Resistant Marestail with Post-Emergence Herbicides in Corn and Soybean May 29, 2019

Several post-emergence herbicides are available for control of marestail where spring weather may have interfered with application or efficacy of early spring burndown and/or pre-emergence herbicide applications.

Read more

Nebraska Extension Weed Management Specialist Amit Jhala describes ongoing research on new technologies and practices at a previous Weed Management and Cover Crop Field Day. This year's event will be June 26.

South Central Weed Management Field Day is June 26 May 14, 2019

On-site demonstrations of herbicides for weed control in corn, popcorn, and soybean and a study on terminating cereal rye before and after planting soybean are among those to be featured at the university's South Central Agricultural Laboratory near Clay Center.

Read more

Tavium: A New Premix of Dicamba and S-Metolachlor is Labeled April 25, 2019

A new dicamba-based herbicide, Tavium, has been approved for use in Roundup Ready 2 Xtend soybean (dicamba/glyphosate-resistant soybean). Like the other dicamba-based soybean herbicides, it requires special training before it can be used.

Read more

Cover crops and weeds in early spring
Figure 1. When using a burndown treatment to terminate cover crops and weeds this spring, planting intervals often may negate the use of many dicamba products prior to soybean planting. (Photos by Amit Jhala)

Which Dicamba Product Should I Use as a Burndown Before Planting Soybean? April 16, 2019

Several growers have asked: Can dicamba products such as Banvel, Clarity, and DiFlexx be applied to terminate broadleaf cover crop species and broadleaf weeds immediately before planting soybean?

Read more

Two photos showing carryover injury of atrazine in the fall and mesotrione applied in the spring on field peas
Figure 1. Carryover injury from atrazine (2 lbs/ai per acre applied in the fall) and mesotrione (applied in the spring) on field peas. (Photos by Strahinja Stepanovic)

Field Pea Guide to Herbicide Carryover and Herbicide Efficacy March 21, 2019

When integrating field peas into a crop rotation, herbicide carryover is one of the most important things to consider. This guide can help you plan your herbicide program to avoid potential crop injury due to carryover injury.

Read more

Pages