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.
Corn and wheat inspections outpaced last year, but soybean movement remains seasonally active yet behind, keeping basis and freight dynamics in focus by corridor.
October 21, 2025 04:00 PM
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In the meantime, Senate Majority Leader John Thune is asking that farmers be allowed to use marketing assistance loans to help stay afloat.
October 21, 2025 11:57 AM
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Bioethanol is becoming a global standard. For growers, that boom comes as drops in Mississippi River levels and in soybean demand occur in tandem, leaving barge space for corn and wheat.
October 20, 2025 01:32 PM
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The government shutdown has touched nearly every sector of the ag industry since it began, and now impacts are spilling over into dairy.
October 20, 2025 12:46 PM
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Global trade teams and summit discussions highlight expanding opportunities for U.S. corn and ethanol exports as nations explore renewable fuel options and reduced-carbon energy pathways.
October 20, 2025 11:17 AM
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Slightly higher output amid softer gasoline pull points to steady corn grind — watch regional stocks and export pace for basis clues.
October 17, 2025 04:59 PM
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Having a good read on fuel prices is a must during harvest, but one analyst says grain farmers should also be watching the crude oil markets.
October 17, 2025 01:26 PM
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Record crops are increasing grain storage needs, prompting safety experts to remind producers of the risk of grain bin entrapment during harvest.
October 16, 2025 01:26 PM
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Support policies that keep U.S. biofuels at the table—marine demand could materially lift corn grind, crush margins, and rural jobs.
October 15, 2025 03:47 PM
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