Weed Management

Herbicide field trial
Herbicide field trial

Acuron™: A New Corn Herbicide May 19, 2016

As growers look for new opportunities to rotate herbicide active ingredients, combination herbicides may offer the benefits they're looking for. Acuron™ is a combination of four herbicide active ingredients: atrazine (10.93%), bicyclopyrone (0.65%), mesotrione (2.6%), and S-metolachlor (23.4%) plus the safener benoxacor. Acruron may be used pre-emergence and post-emergence in field corn, seed corn, and silage corn. Acuron may also be used in sweet corn and yellow popcorn, but the application must be made prior to crop emergence or serious crop injury may occur.

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New Chart Aids Selection of Diverse Site of Action Herbicides May 10, 2016

A new herbicide selection chart can help growers select products with diverse modes and sites of action which, in turn, will help reduce the development of herbicide-resistant weeds.

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Postemergence Weed Control in Alfalfa May 4, 2016

With all the recent moisture, alfalfa is growing well — as are broadleaf and grassy weeds in the alfalfa. Here are a couple methods for controlling weeds before they affect alfalfa yield.

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Common ragweed
Figure 1. Common ragweed (Ambrosia artemisiifolia) (Photo by Amit Jhala)

Reducing Ragweed in Pastures May 4, 2016

Ragweed has exploded in some pastures in recent years. It takes time, and a well-planned approach such as described here to control ragweed in pastures. With good grazing, some spraying, and timely shredding it can be done.

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EPA Extends Comment Period on Proposed Dicamba Registration for GE Crops April 28, 2016

In response to requests, the EPA announced April 28 in an EPA Update that it is extending for an additional 30 days the public comment period on the proposed regulatory decision to register dicamba to control weeds in cotton and soybean genetically engineered (GE) to tolerate dicamba.

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How Cool, Rainy Weather Affects Burndown Herbicide Efficacy April 22, 2016

Cold, wet conditions this spring may have delayed some growers from applying burndown herbicides when they would like to for utmost effectiveness. Low temperatures and wet weather can negatively impact herbicide performance.

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Weed Management in Speciality Crops Focus of Panhandle Seminar April 12, 2016

Weed control in specialty crops is the topic for an April  21 presentation at the UNL Panhandle Research and Extension Center.

Integrated Weed Management Specialist Nevin Lawrence will speak at 3 p.m. in the Bluestem Room at the Panhandle Center, 4502 Avenue I.

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DiFlexx DUO: A New Corn Herbicide April 8, 2016

DiFlexx™ DUO is a herbicide for control of annual broadleaf and grass weeds in field corn, corn grown for silage, popcorn, and seed corn and for post-harvest burndown weed control. It is a premix of DiFlexx (dicamba: 19.73%) and Laudis (tembotrione: 2.83%).

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