Also see: Corn
Western bean cutworm damaging an ear of corn
Western bean cutworm damaging an ear of corn

Nebraska Perspective on Efficacy of Cry1F Bt Corn Against Western Bean Cutworm

October 21, 2016
While entomologists in the Eastern Corn Belt this month reported reduced efficacy of the Cry1f Bt protein against western bean cutworm in corn, Nebraska growers have been facing this for several years. While Cry1F products will still help control other pests, growers are advised to scout for WBC and determine whether treatment is necessary.

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Harvest 2016 — When Corn Yields are Below Expectations

October 14, 2016
A review of 2016 growing conditions across Nebraska sheds light on a number of factors that may have contributed to reduced yield in individual fields. An understanding of these factors may be helpful when selecting seed for 2017.

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Figures 1a and b. Growth of fungi feeding on dead/decaying tissue and their black spores on corn husks (a) (and other plant parts) may give it a dark, dusty appearance, especially during harvest. The ear itself is usually unaffected by these fungi (b).
Figures 1a and b. Growth of fungi feeding on dead/decaying tissue and their black spores on corn husks (a) (and other plant parts) may give it a dark, dusty appearance, especially during harvest. The ear itself is usually unaffected by these fungi (b).

What's Causing Black "Dusty" Corn?

October 14, 2016
What's that black dust that some growers are reporting at corn harvest? Plant Pathologist Tamra Jackson-Ziems discusses the cause

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Field camera used to capture corn growth over a season
Field camera used to capture corn growth over a season

Watch an Entire Growing Season in One Minute

October 13, 2016
Watch an entire corn growing season in 1 minute in these shots of a Nebraska field in extreme southeast Nebraska!

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Aspergillus ear rot damage in corn
Aspergillus ear rot damage in corn

Ear and Stalk Rot Diseases Becoming More Common in Corn Fields

October 13, 2016
Ear rot diseases have been observed and stalk rot diseases are becoming increasingly common. It’s important to scout for stalk rot diseases now to determine which fields are at greatest risk of lodging and should be harvested first. Although it is unknown if ear rot diseases are widespread, it’s also important to scout for ear rot diseases to know how to better handle affected grain at harvest to prevent or minimize impacts on grain quality.

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Corn residue field trial
Corn residue field trial

Corn Residue Field Days Oct. 20, 28

October 4, 2016
In a year when profit may be limited, can harvesting corn residue offer an additional income stream for Nebraska farmers? Two October field days on either end of the state look at field trials of grazing and baling effects on residue, the soil, and yields.

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The tops of corn plants that have Anthracnose stalk rot top dieback may break off prior to harvest, but are not always an indicator of stalk and crown rot lower on the plant.
The tops of corn plants that have Anthracnose stalk rot top dieback may break off prior to harvest, but are not always an indicator of stalk and crown rot lower on the plant.

Scouting for Stalk and Ear Rot Diseases

September 29, 2016
Stalk rot diseases are increasing in corn, causing top die-back in a number of fields, and ear rot diseases are developing in some fields. Scout fields now to help determine the need for any adjustments in your harvest management.

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Figure 1. Variation in kernel setting in corn in Iowa. (Photo by Mark Licht)
Figure 1. Variation in kernel setting in corn in Iowa. (Photo by Mark Licht)

Yield Forecast Center Predicts Corn Yields Well Below USDA-NASS Projections

September 22, 2016
End-of-season yield forecasts for irrigated and dryland corn across eight states in the Corn Belt indicate above average yields for 2016, but not the record-breaking yields predicted by USDA in their September forecast. While two states are forecast to have yields below the 10-year average (-1% to -4%), the remaining states showed above average yields ranging from 1% to 21% above the 10-year average.

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