# Corn growers reassess disease decisions after southern rust fails to spread

> Corn growers prepared for a repeat of 2025's severe southern rust outbreak, but the disease stayed limited in 2026 despite warm, moist Midwest conditions. Extension pathologists instead observed tar spot pressure and late-season stalk, crown and ear rots.

- Date: 2026-11-14 · published 2026-11-15T00:13:50.070Z
- Category: weather · region US · magnitude low
- Page: https://feedsoft.ai/events/100243-corn-growers-reassess-disease-decisions-after-southern-rust-fails-to-spread
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md)

## Why it matters

Lower-than-feared disease losses point to stable corn yields, which eases supply concerns for feed buyers. Growers may also cut back on preventive fungicide spending in future seasons.

## Read by commodity

- CORN: bearish ▼

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2021-12-13 | [Soybeans, corn down after rain in South America - Brownfield Ag News](https://feedsoft.ai/events/9262-soybeans-corn-down-after-rain-in-south-america-brownfield-ag-news.md) | -0.1% | +0.8% |
| CORN | 2021-01-20 | [Soybeans down for third session on South America rains; wheat, corn fall - Markets - Business Recorder](https://feedsoft.ai/events/8238-soybeans-down-for-third-session-on-south-america-rains-wheat-corn-fall-markets.md) | +3.1% | +2.1% |
| CORN | 2026-03-12 | [Rains bring relief to the eastern corn belt - Pro Farmer](https://feedsoft.ai/events/13009-rains-bring-relief-to-the-eastern-corn-belt-pro-farmer.md) | +3.7% | +0.5% |
| CORN | 2026-04-30 | [Rains in the southern U.S. lead to mild drought improvement - Pro Farmer](https://feedsoft.ai/events/13001-rains-in-the-southern-u-s-lead-to-mild-drought-improvement-pro-farmer.md) | -1.6% | -0.5% |
| CORN | 2019-05-20 | [EU Wheat In Good Shape After Rain Eases Concerns Over Dry Spring \| Checkout](https://feedsoft.ai/events/59022-eu-wheat-in-good-shape-after-rain-eases-concerns-over-dry-spring-checkout.md) | +3.2% | +10.8% |

## Sources

- schaardtforlegislature.com: https://schaardtforlegislature.com/corn-growers-reassess-disease-decisions-after-southern-rust-fails-to-spread

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