Also see: Corn
Southern rust on a corn leaf

Southern Rust of Corn Confirmed in Southeast Nebraska

July 16, 2020
Southern corn rust was confirmed on corn leaf samples from Fillmore, Nuckolls and Johnson counties in southern Nebraska this week. Warm, humid conditions may favor disease development, so fields in this area should be monitored frequently in the coming weeks.

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watermark sensors installed in a corn field

Crop Insurance and Irrigating Storm Damaged Fields

July 16, 2020
With recent storm damage, the following are resources and considerations when it comes to crop insurance and irrigating storm damaged fields.

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corn knocked down by high winds

Wind-Damage to Corn

July 16, 2020
Prior to storms July 8-9, plants were nearing tassel, a critical time for photosynthesis and pollination. These storms resulted in “flattened” corn from lodging/leaning in addition to bent and snapped plants. "Recovery" depends on a variety of factors.

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Western corn rootworm beetle

Scout Now for Corn Rootworm Beetles to Assess Potential Risk of Future Damage

July 16, 2020
Weekly scouting of adult rootworm beetles in July and August will provide the information needed to decide whether rootworm control is needed next year.

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Spores of Exserohilum turcicum

July 2020 Disease Reports from the UNL Diagnostic Clinic

July 16, 2020
Diseases in corn, soybean, and wheat have been confirmed in parts of the state based on samples submitted to the UNL Plant and Pest Diagnostic Clinic from July 1 through July 15.

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corn ear silk

Silk and Tassel Development in Corn

July 15, 2020
Silks and tassels are emerging and the smell of pollen is in the air in fields throughout the State! Two recent articles from Dr. Bob Nielsen, Purdue University, may be helpful for a refresher and also to learn something new regarding silk and tassel development and pollination.

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Corn, Soybean Progress Ahead of Last Year

July 14, 2020
Corn is rated 70% good to excellent and progressing ahead of last year but behind the five-year average. Soybean is rated 73% good to excellent and is progressing ahead of both last year and the five-year average. Winter wheat harvest is ahead of previous years with 50% complete.

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Ecofallow system - corn planted in wheat stubble

Increase Dryland Corn or Grain Sorghum Yields by 35 Bushel per Acre by Controlling Weeds in Wheat Stubble

July 10, 2020
Research indicates that 3 inches of water are saved in the soil profile when weeds are controlled in a timely manner after the winter wheat harvest. Each inch of soil water increases the yield of corn or grain sorghum by approximately 12 bushels.

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