# Rainfall spurs corn grain quality concerns

> Warm, wet September weather has raised concerns about corn grain quality in Nebraska and the Midwest as harvest gets underway. Vivipary (kernel sprouting) and ear rot diseases are already appearing in parts of Nebraska, including Cass County, with several ear rot types identified.

- Date: 2026-11-14 · published 2026-11-14T18:11:23.299Z
- Category: weather · region US · magnitude low
- Page: https://feedsoft.ai/events/99743-rainfall-spurs-corn-grain-quality-concerns
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md)

## Why it matters

Ear rot and sprouting can lower grain quality and may introduce mycotoxins, which can reduce the value of corn used in feed rations and push buyers toward cleaner origins or discounted lots.

## Read by commodity

- CORN: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2025-02-26 | [Brazil may soon have rainfall concerns \| World Grain](https://feedsoft.ai/events/13514-brazil-may-soon-have-rainfall-concerns-world-grain.md) | -6.0% | -0.4% |
| CORN | 2020-08-25 | [U.S. grains: Crop concerns, Chinese buying spark rallies in soy, corn - Grainews](https://feedsoft.ai/events/51652-u-s-grains-crop-concerns-chinese-buying-spark-rallies-in-soy-corn-grainews.md) | +3.0% | +8.9% |
| CORN | 2022-03-01 | [Cost Concerns - Corn South](https://feedsoft.ai/events/42348-cost-concerns-corn-south.md) | +4.7% | +12.1% |
| CORN | 2020-11-30 | [Rainfall Deficit in Brazil Continues to Be a Major Concern](https://feedsoft.ai/events/50004-rainfall-deficit-in-brazil-continues-to-be-a-major-concern.md) | -1.5% | -1.0% |
| CORN | 2022-03-31 | [Long-Range Concerns for Safrinha Corn in Brazil](https://feedsoft.ai/events/13732-long-range-concerns-for-safrinha-corn-in-brazil.md) | +4.1% | +5.9% |

## Sources

- agupdate.com: https://agupdate.com/agriview/news/crop/article_d1371088-b34f-4f3d-ac3a-d8bd49eb4885.html

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