Also see: Corn
alfalfa weevil feeding on trifoliates

Extension Crop and Pest Reports (May 25-29)

May 28, 2020
Extension educators report on what they are seeing in the fields this week in the panhandle, Nemaha, Furnas, Gosper, Harlan, Phelps, Platte, Boone, and Nance counties.

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NASS: 77% Corn, 56% Soybean Emerged, Winter Wheat 70% Good to Excellent

May 28, 2020
As of Sunday, May 24th, corn and soybean planting and emergence continues to be well ahead of the five year average, according to the USDA's National Agricultural Statistics Service. In addition, 70% of winter wheat is rated is rated good to excellent.

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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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corn seedling with damage

Fertilizer-nitrogen Injury

May 22, 2020
Nitrogen (N) is the most limiting nutrient in corn. However, there is risk of crop injury with band application of fertilizer-N.

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common stalk borer larva

Managing Stalk Borers in Corn

May 22, 2020
Stalk borer damage in corn commonly is confined to plants in the first few rows near field margins, fence rows, grass terraces, and waterways. Understanding the common stalk borer life cycle and behavior is critical to selecting management practices to reduce damage in corn.

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Corn, Soybean Planting Well Ahead of Last Year

May 21, 2020
Corn planted was 91%, as of Sunday, May 17, 2020, well ahead of 63% last year, and ahead of 78% for the five-year average. Emerged was 54%. Soybeans planted was 78%, well ahead of 34% last year and 42% average. Emerged was 29%, well ahead of 5% last year and 8% average.

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Seed corn maggots
Seed corn maggots

Avoiding Injury from Seed Corn Maggot

May 20, 2020
We have received several reports of injury from seed corn maggot that has reduced stands of Nebraska soybeans. Learn why they may have been more problematic this year.

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When estimating whether severely injured plants will survive, check the growing point. Healthy growing point is yellow/white and firm as is shown in this picture. Unhealthy growing point is discolored and soft to the touch.
When estimating whether severely injured plants will survive, check the growing point. Healthy growing point is yellow/white and firm as is shown in this picture. Unhealthy growing point is discolored and soft to the touch.

Replanting Corn: Things To Do and Think About

May 15, 2020
With the recent frost events that occurred the weekend of May 9-10, 2020 in portions of the State, some are questioning the need to replant corn. It’s important to assess potential recovery before making replant decisions.

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