Tar spot has already been discovered in corn crops in Nebraska.
Fourteen counties have reported detecting the disease so far this year. Agronomists say that its presence at this point in the growing season is not surprising.
It has also been found in neighboring states, including Iowa, Kansas, Missouri, and Indiana.
Nebraska Extension advises farmers to intensify scouting efforts in fields with a history of disease or those in higher risk, like pivot irrigation fields.
Fungicide use is not recommended at this time because research shows application for tar spot management is most effective between R2 and R3 growth stages.
Large rain events, like those recently in Nebraska, can create ideal conditions for tar spot and other diseases to take place, so scouting is essential.
Stable blending demand continues to underpin corn use despite export volatility.
February 27, 2026 06:00 AM
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At Commodity Classic in San Antonio, growers explore new herbicide options, John Deere’s latest 8 Series tractors, and cutting-edge ag technology shaping the 2026 planting season. Here are some of RFD NEWS’ highlights from the event so far.
February 26, 2026 02:57 PM
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Farm CPA Paul Neiffer provided insight on updated PLC rate estimates, the role of base acres, and the upcoming enrollment window for ARC and PLC programs.
February 26, 2026 02:42 PM
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USDA Farmer Bridge Assistance payments could begin this weekend as producers face tight margins, shifting acreage expectations, cattle herd contraction, and growing pressure for a stronger farm safety net.
February 26, 2026 12:11 PM
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Delays on year-round E15 keep potential corn demand and fuel savings in limbo.
February 26, 2026 10:53 AM
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Strong export demand supports barge markets, but weather risks remain.
February 26, 2026 07:00 AM
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