# Soybean Disease Management Gets More Complex as Red Crown Rot Spreads

> Red crown rot was reported in at least 14 US states in 2026, including first confirmed detections in Iowa and Alabama. Estimated yield losses rose from 121,000 bushels in 2024 to 7.7 million bushels in 2025.

- Date: 2026-11-12 · published 2026-11-13T00:12:45.316Z
- Category: disease · region US · magnitude low
- Page: https://feedsoft.ai/events/96724-soybean-disease-management-gets-more-complex-as-red-crown-rot-spreads
- Commodities: [Soybeans](https://feedsoft.ai/c/SOY.md), [Soybean Meal](https://feedsoft.ai/c/SBM.md)

## Why it matters

Growing yield losses from red crown rot are a small but rising drag on soybean output over time, with limited near-term price impact given the scale.

## Read by commodity

- SBM: neutral
- SOY: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| SOY | 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) | -2.1% | -1.4% |
| SOY | 2019-08-02 | [China's soybean demand remains strong amid massive hog losses - UPI.com](https://feedsoft.ai/events/57568-china-s-soybean-demand-remains-strong-amid-massive-hog-losses-upi-com.md) | +2.1% | +1.1% |
| SOY | 2022-10-04 | [Regional Update: Harvest Edition October 2022 \| Integrated Crop Management](https://feedsoft.ai/events/13324-regional-update-harvest-edition-october-2022-integrated-crop-management.md) | 0.0% | +2.4% |
| SOY | 2024-01-25 | [Lessons learned from 2023 soybean season](https://feedsoft.ai/events/13216-lessons-learned-from-2023-soybean-season.md) | -1.5% | -7.5% |
| SOY | 2019-08-08 | [Hog Virus May Matter More for China Soy Buyers Than Trade War - Bloomberg](https://feedsoft.ai/events/11476-hog-virus-may-matter-more-for-china-soy-buyers-than-trade-war-bloomberg.md) | +1.4% | +0.1% |
| SBM | 2026-08-24 | [ASF, FMD and Classical Swine Fever Activity Highlight Global Disease Risks for Pork Industry - Swineweb.com - Complete Swine News, Markets, Commentary, and Technical Info](https://feedsoft.ai/events/15887-asf-fmd-and-classical-swine-fever-activity-highlight-global-disease-risks-for.md) | +6.4% | +12.0% |
| SBM | 2018-11-19 | [Imported beef will play a role in China's post ASF disease pig industry restructure - Beef Central](https://feedsoft.ai/events/61978-imported-beef-will-play-a-role-in-china-s-post-asf-disease-pig-industry.md) | -2.5% | -0.2% |
| SBM | 2026-04-25 | [Weekly pig report: Disease pressure adds increased risk to hog supply outlook
						 \| The Pig Site](https://feedsoft.ai/events/19865-weekly-pig-report-disease-pressure-adds-increased-risk-to-hog-supply-outlook.md) | -0.0% | +4.0% |

## Sources

- agweb.com: https://www.agweb.com/news/crops/soybeans/soybean-disease-management-gets-more-complex-red-crown-rot-spreads

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