Also see: Corn
Bacterial leaf streak lesions of corn

Bacterial Leaf Streak Confirmed on V4 Corn in Nebraska June 15, 2017

Bacterial leaf streak disease has been confirmed on a sample submitted to the UNL Plant and Pest Diagnostic Clinic from Adams County. The corn was at the V4 growth stage and represents the earliest that the disease has been confirmed in a field.

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Western bean cutworm eggs and larva

Using Degree-Day Models to Predict Western Bean Cutworm Flights June 15, 2017

Learn how degree-days are calculated and used to predict insect development and specifically, what they indicate for the timing of western bean cutworm development in Nebraska this year.

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Corn field with severe weed population
Figure 1. A corn field in south central Nebraska without preemergence herbicide application. Applying a well-timed postemergence herbicide will be the only control option. (Photos by Amit Jhala).

Consider Corn Growth Stage When Applying Postemergence Herbicides June 14, 2017

When applying postemergence herbicides, consider corn growth stage, weed species present, and crop and weed heights. The article includes how to determine corn growth stage, recommendations to avoid problems, and a table of application restrictions for common postemergence herbicides.

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Nebraska Crop Progress and Condition June 13, 2017

For the week ending June 11, Nebraska temperatures averaged four to eight degrees above normal and were accompanied by dry conditions, according to the USDA’s National Agricultural Statistics Service. Only the southern tip of the Panhandle and a few central counties received significant rain. The warm, dry weather allowed planting and other field work to continue.

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Corn damaged by wheat stem maggot

Suspected Wheat Stem Maggot Damage in Corn following Cover Crops June 13, 2017

Ag professionals across central and eastern Nebraska are reporting insect damage to corn following rye and wheat cover crops, likely from the wheat stem maggot. A recent field survey found stand losses in fields ranged from 2%-30% on a whole-field basis.

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Volunteer corn in a soybean field
Figure 1. Soybean field infested with volunteer corn in southcentral Nebraska.

Control of Glyphosate-Resistant Volunteer Corn in LibertyLink Soybean June 12, 2017

Controlling glyphosate-resistant volunteer corn is a major challenge in some soybean fields this year as preemergence herbicides aren't very effective. Postemergence herbicides will be critical to its management.

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Figure 1. Water use efficiency in corn production is one dimension of the UNL-TAPS competition being conducted out of the West Central REC.

View Corn Contest Plots at UNL-TAPS Field Tour June 27 June 8, 2017

Learn from some of the most successful corn growers in Nebraska at a June 27 UNL-TAPS field tour and project update at the West Central Research and Extension Center at North Platte.

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USDA: Planting Surges with Warm, Dry Conditions June 5, 2017

For the week ending June 4, with warmer temperatures and rain limited to the western Panhandle, planting progressed with 6.4 days suitable for fieldwork, according to the June 5 report from the National Agricultural Statistics Service.

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