emerging corn showing varying degrees of frost damage

Evaluating Freeze and Chilling Injury in Corn and Soybeans

May 13, 2020
The weather took a turn to the cold side over the last week. Across Nebraska, lows at or below 32°F were recorded. Clear conditions coupled with these temperatures favor frost formation especially in low lying areas. So, what does this mean for our crops?

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wheat damaged by freeze

Assessing Freeze Injury to Wheat

April 24, 2020
It takes a number of warm days (a week or more depending on temperatures) after freezing to determine the condition of the winter wheat crop, so don’t make any quick decisions after a freeze.

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new buds on alfalfa affected by freeze injury

Freeze Damage to Alfalfa

April 15, 2020
April freeze nips alfalfa. Extent of damage varies based on numerous factors, but no management actions are recommended.

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Photos illustrating two points in rating system used to evaluate freeze damage to seedling corn. These show corn recovery from frost at V1-V2 growth stage in 2014 near Craig
Figure 1. Photos illustrating two points in rating system used to evaluate freeze damage to seedling corn. These show corn recovery from frost at V1-V2 growth stage in 2014 near Craig. (Photo by Roger Elmore)

Frozen, Emerged Corn?

May 10, 2019
Temperatures in some fields early Friday morning may have caused some to remember 2017 conditions and wonder about possible frost damage to corn seedlings. Here's how this year is different.

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Assessing Freeze Damage to Alfalfa

May 10, 2019
Did your alfalfa suffer freeze or frost damage this week? If you suspect more than frozen or wilting leaves, check the growing point of plants. All new leaves, stems, and branches initially develop from the growing point.

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A snowy field with grass
Figure 1. Snow and freezing temperatures in the Nebraska Panhandle this week are likely to cause some leaf burn in wheat, but are not expected to cause extensive crop damage. (Photo by Cody Creech)

Assessing Freeze Injury to Winter Wheat

May 2, 2019
With freezing temperatures in the Panhandle May 1-2, wheat injury may have occurred. This guide addresses injury potential at various growth stages, factors contributing to injury, and why it's important to delay assessment for several days afterward.

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Chart showing date of first snow of the season 1948-2018
Chart showing date of first snow of the season 1948-2018

Nebraska Weather: Variability is the Norm

October 19, 2018
With much of the state's corn and soybeans still not harvested, it seemed too early for snow, but really how unusual is an Oct. 14 snow? UNL Climatologist Ken Dewey takes a closer look at the variability of Nebraska's weather.

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How Freezing Temperatures Affect Forages

October 15, 2018
When plants freeze, changes occur in their metabolism and composition that can poison grazing livestock if not properly managed. Delayed grazing is often the best solution, but how long should grazing be delayed?

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