Corn

Also see: Corn
Cover image for the Nebraska CropWatch podcast

CW Podcast: Managing Early Season Insects in Corn and Soybeans

June 13, 2019
In the latest Nebraska CropWatch podcast Michael Sindelar is joined by Robert Wright from the Department of Entomology to discuss how to prevent or identify and treat early season insects in corn and soybeans.

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Corn seeds germinating in soil
If you're unsure what corn hybrids will mature before average killing frost in your region of Nebraska, use the U2U GDD tool to compare scenarios of hybrids and planting dates for your location.

Corn Hybrid Maturities and Late Planting

May 24, 2024
Still planting corn and wanting to change to a different hybrid maturity? Here are some things to consider and a tool that can help you assess which hybrid options are likely to mature before an average fall freeze date for your location.

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Part of a row of corn struggling to survive
These plants, in a Clay County corn field, are in deep water and deep trouble! The bright vibrant greens of typical V2 to V3 seedlings are replaced with sickly yellows, indicating plummeting chlorophyll readings and photosynthesis. Roots of these oxygen-starved plants are no longer growing and are likely dying. The soil to which they are anchored has changed dramatically and full plant recovery is likely not possible. (Photos by Roger Elmore)

Corn Establishment and Growth in Saturated Soils: A Brief Review of New Research

May 31, 2019
How long can seedling corn survive under flooded conditions? A review of current scientific literature offers new understandings of when and how plant injury occurs and what factors affect it.

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Planting plots in the 2019 UNL-TAPS program
Figure 1. Planting plots in the 2019 UNL-TAPS program at the West Central Research and Education Center near North Platte. (Photos by Krystle Rhoades)

Hybrid Selection Sets TAPS Contests Up for a Unique Year

May 30, 2019
Competitors in the three divisions of this year's UNL-TAPS contest have selected their seed and seeding rate. Additional research was added this year to look at production functions such as seed selection.

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Planting Still Lagging with Corn at 81%, Soybean, 56%

May 28, 2019
With cool, rainy conditions, planting progress was slow last week and remains behind normal, according to the USDA's National Agricultural Statistics Service report for Nebraska. There were just 2.2 days suitable for fieldwork.

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Figure 1. University of Wisconsin researchers studied drilling cover crops into V5 corn. (Source: University of Wisconsin Integrated Pest and Crop Management)
Figure 1. University of Wisconsin researchers studied drilling cover crops into V5 corn. (Source: University of Wisconsin Integrated Pest and Crop Management)

Interseeding Cover Crops into Corn or Soybean

May 23, 2019
In some years it may be difficult to well establish a cover crop after corn harvest. This article surveys current research on interseeding into an established crop, further considerations, and how to test this practice on your farm.

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Example of bioassay used for monitoring ECB susceptibility to Bt protein

First ECB Resistance to Bt Corn Reported in Canada

May 22, 2019
The first case of field-evolved resistance of European corn borer (ECB) to Bt transgenic corn has been reported in Canada. What does this mean for Nebraska corn farmers and how can they help maintain resistance here?

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Wireworms

Scout Emerging Corn for Insects; Don’t Assume Protection

May 22, 2019
As corn begins to emerge, be alert to the potential for damage from early season insects such as cutworms, wireworms, white grubs, or other insects.

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