Weed Management

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

Glyphosate-Resistant Palmer Amaranth Field Day July 11 June 25, 2018

Is glyphosate-resistant Palmer amaranth a growing challenge? View field demonstrations and hear from experts at the Glyphosate-Resistant Palmer Amaranth Management Field Day Wednesday, July 11 at Carleton.

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Common mullein
Figure 1. Stand of common mullein. (All photos by Gary Stone)

Common Mullein, an Invasive Weed on Nebraska’s Horizon June 4, 2018

Common mullein is an invasive weed threatening western Nebraska land use. Here's what you need to know to be on your guard as prevention and early control are the best and the cheapest management options.

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Field tour of purple loosestrife management study
Figure 1. Nebraska research showed the need for multiple years of treatment to achieve complete control of purple loosestrife. Choosing the right herbicide for the job and practicing patience and persistance were key to success. (Photos by Stevan Knezevic)

Research Update: Control of Perennial Invasive Weeds Requires Repeated Herbicide Applications June 4, 2018

Research shows the need for patience and persistence when battling perennial weeds such as purple loosestrife over multiple years. The younger the stand the faster the control was achieved.

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Flame weeding
Figure 1. Learn more about the use of flame weeding to manage weeds, particularly in organic production systems. A full-day workshop will be Aug. 13 in Lincoln.

Flame Weeding Workshop to be at Haskell Ag Lab May 25, 2018

A full-day flame weeding workshop will be held at the Haskell Agricultural Laboratory near Concord Aug. 13. Class size is limited and early registrations are welcome.

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Image from time-lapse weed management photos

Consider Weed Growth Stage for Optimum Control with Liberty Application May 23, 2018

Consider these three guidelines to ensure maximum weed control with Liberty in LibertyLink corn and soybean and view a time-lapse video demonstrating how quickly waterhemp regrows when treatment occurs after the optimal weed height of 4 inches or less.

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Weed Management and Cover Crops Field Day Flyer

Weed Management and Cover Crop Field Day at SCAL May 22, 2018

View demonstrations of new technologies and herbicides for weed control in corn, soybeans, and sorghum and cover crops effects on soil health and pest management at the June 27 Weed Management and Cover Crops Field Day. It will be held at the South Central Ag Lab near Clay Center.

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Buckbrush
Figure 1: Buckbrush (4-year-old plant) in pasture by Niobrara State Park in northeast Nebraska. (Photo by Stevan Knezevic)

Study: Efficacy of Herbicides in Buckbrush Control May 22, 2018

A two-year weed management study in northeast Nebraska evaluated herbicide options for controlling buckbrush, a common perennial weed in Nebraska pastures and rangeland. One herbicide provided year-round control, while several others provided season-long control.

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Cottonwoods
Figure 1. Cottonwood infestation in sub-irrigated meadow. This photo was taken during the period of high water table in early spring. (Photo by Stevan Knezevic)

Research Findings on Chemical Control of Cottonwood May 22, 2018

Cottonwood offers many benefits, but also can be an invasive and difficult-to-control weed. Nebraska researchers studied control efficacy of eight herbicides over two years and found three products provided total control more than a year; however, they also noted a caution for areas with high water tables.

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