Weed Management

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

2020 Weed Management Field Days Available Online

July 23, 2020
The 2020 in-person Weed Management Field Days were not possible due to Covid-19. However, information about projects for this year's growing season were recorded for Virtual Field Days and are available online.

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Figure 1. The wheat-mite-virus complex has extreme potential to impact yield the following year if high risk volunteer wheat situations are not managed well
Figure 1. The wheat-mite-virus complex has extreme potential to impact yield the following year if high risk volunteer wheat situations are not managed well. (Photo by Gary Hein)

Why Control of Volunteer Wheat is Critical to Protecting Next Season's Yields

June 23, 2020
Volunteer wheat can provide the summer "green bridge" for the disease wheat streak mosaic and other virus diseases. This almost always occurs as a result of wheat seed shattered from heads during hail storms.

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Phragmites growing along the Platte River in Nebraska

Nebraska Invasive Weed: Phragmites

June 8, 2020
The non-native species originated in Europe and was introduced into the United States along the east coast in the early 19th century. Today, non-native phragmites can be found over much of North America.

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invasive musk thistle

Nebraska Invasive Weed: Musk Thistle

May 20, 2020
Musk thistle is a non-native biennial forb but can behave occasionally as an annual. It reproduces/spreads from seed and is a prolific seed producer.

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field bindweed

Nebraska Invasive Weed: Field Bindweed

May 4, 2020
Field bindweed is also known as small bindweed, European bindweed, and Creeping Jenny Management and control of field bindweed is difficult due to its extensive root system and long life of the seeds. Depleting the root reserves of the plant and reducing sprouting is key to successful management.

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alfalfa field

Weed Control in Alfalfa Post Green-Up

April 29, 2020
Scouting in early spring is the best way to categorize current weed problems and those that may become issues later in the season and into the following year.

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Canada thistle plant

Nebraska Invasive Weed: Canada Thistle

April 22, 2020
Canada thistle is a designated noxious weed under the Nebraska Department of Agriculture’s Noxious Weed Program. Prevention is the best and cheapest management option.

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soybean field that used pre-emergent herbicide

Consider Label Restriction of Soybean Herbicides Based on Geographical Region in Nebraska

April 16, 2020
There are several herbicides that cannot be applied in certain areas of Nebraska based on number of factors such as high soil pH, dry soil conditions, potential for carryover injury, etc.

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