# Corn diseases lurk in bumper US crop, threatening yields

> Reuters reports that crop diseases are emerging in the record US corn crop, threatening yields. Farmers face low grain prices and rising costs for fertilizer, seed and other inputs.

- Date: 2025-10-01 · published 2025-10-01T12:00:00.000Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/22896-corn-diseases-lurk-in-bumper-us-crop-threatening-yields
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md)

## Why it matters

Yield losses from disease could tighten US corn supply, which would offset some of the bearish pressure from the record crop and support corn prices.

## Read by commodity

- CORN: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2025-12-03 | [Disappointing Corn Yields in 2025 \| CropWatch \| Nebraska](https://feedsoft.ai/events/13034-disappointing-corn-yields-in-2025-cropwatch-nebraska.md) | +0.7% | -0.4% |
| CORN | 2025-08-29 | [Is the U.S. Corn and Soybean Crop Getting Smaller? - AgWeb](https://feedsoft.ai/events/13062-is-the-u-s-corn-and-soybean-crop-getting-smaller-agweb.md) | +3.3% | +8.5% |
| CORN | 2026-10-07 | [Rain-soaked harvest raises quality red flags: What it means for yields and basis in the western Corn Belt - Pro Farmer](https://feedsoft.ai/events/12956-rain-soaked-harvest-raises-quality-red-flags-what-it-means-for-yields-and-basis.md) | -3.0% | -6.6% |
| CORN | 2019-04-22 | [A Vicious, Untreatable Killer Leaves China Guessing - The New York Times](https://feedsoft.ai/events/59460-a-vicious-untreatable-killer-leaves-china-guessing-the-new-york-times.md) | -1.1% | +2.5% |
| CORN | 2019-03-22 | [China urges subsidies to help disease-hit pig farms restock](https://feedsoft.ai/events/60091-china-urges-subsidies-to-help-disease-hit-pig-farms-restock.md) | -1.9% | -4.8% |

## Sources

- reuters.com: https://www.reuters.com/business/environment/corn-diseases-lurk-bumper-us-crop-threatening-yields-2025-09-12/

---
Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.