Herbicide Management

soybean seedlings

Soil Residual Herbicide Options after Soybean Emergence

June 3, 2020
Soybean planting was early this year in Nebraska, but dry soil conditions in most of May resulted in poor activation of pre-emergence herbicides applied in rain-fed fields and subsequently less than expected weed control.

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corn showing various growth stages

Accurately Growth Staging Corn after Lower Leaf Loss and Implication for Post-emergence Herbicide Application

May 29, 2020
After a frost, or hail event, the dead tissue is not able to resurrect itself and is eventually sloughed off as the plant continues to grow. Thus a common question is how do I determine corn growth stage when I can no longer count leaves?

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corn emerging from the ground

Soil Residual Herbicide Options after Corn Emergence

May 28, 2020
Application of soil residual herbicides is important because they deliver a few weeks of residual weed control and aid in weed resistance management by incorporating additional site(s) of action in herbicide program. Several residual herbicides can be applied after corn emergence without injury to corn.

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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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soybeans germinating in a field

Timing is Critical for Applying PPO-Inhibiting Pre-emergence Residual Herbicides in Soybean

April 22, 2020
Soybean planting is about to start in Nebraska and it’s time to select pre-emergence herbicides to be applied in soybean. Protoporphyrinogen oxidase (PPO)-inhibiting herbicides are one of the key components of weed management in soybean.

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soybean field

How Previous Year's Soybean Herbicides Can Affect Planting of Corn, Sweet Corn, and Popcorn This Year

April 7, 2020
While corn growers are getting ready for planting in 2020, it is important to pay attention to the planting interval of corn to herbicides applied the previous year in soybean.

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Field trial with one of the herbicides tested in popcorn

Weed Control and Response of Yellow and White Popcorn Hybrids to Herbicides

September 25, 2019
Research-based information on weed control and response of eight commercially available popcorn hybrids to several herbicides labeled for popcorn in Nebraska.

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Glyphosate-resistant ragweed in corn

Planting Interval of Corn, Soybean, and Sorghum after 2,4-D or Dicamba Burndown Application

April 18, 2019
With flood, cold, and wet conditions in March/April, many producers are facing a smaller than expected window for making their burndown herbicide applications and should carefully consider required planting intervals when selecting which product to use in which crop.

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