# Don’t mess with Mexico’s maíz: Constitutional amendment to ban GMO corn seeds

> Mexico is moving to add a constitutional amendment banning genetically modified corn seeds. The amendment follows the December defeat of a related effort, after a trade dispute panel ruled that the 2023 decree banning GM corn in dough, tortillas, and animal feed violated USMCA.

- Date: 2025-04-01 · published 2025-04-01T12:00:00.000Z
- Category: policy · region Mexico · magnitude medium
- Page: https://feedsoft.ai/events/25529-don-t-mess-with-mexico-s-maiz-constitutional-amendment-to-ban-gmo-corn-seeds
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [DDGS](https://feedsoft.ai/c/DDGS.md)

## Why it matters

A constitutional ban on GM corn seeds would threaten a major outlet for US corn exports to Mexico, which is bearish for US corn prices and feed demand.

## Read by commodity

- CORN: bearish ▼
- DDGS: bearish ▼

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2025-04-04 | [Mexico’s GE Corn Ban Constitutional Amendment Impacts](https://feedsoft.ai/events/25098-mexico-s-ge-corn-ban-constitutional-amendment-impacts.md) | +3.4% | +2.3% |
| CORN | 2024-11-14 | [Mexico's Sheinbaum to present constitutional safeguard for non-GMO corn in coming days](https://feedsoft.ai/events/27396-mexico-s-sheinbaum-to-present-constitutional-safeguard-for-non-gmo-corn-in.md) | +0.2% | +0.4% |
| CORN | 2020-10-07 | [Mexico plans to ban GM corn imports, stirring potential conflict with U.S. - The Organic & Non-GMO Report](https://feedsoft.ai/events/50621-mexico-plans-to-ban-gm-corn-imports-stirring-potential-conflict-with-u-s-the.md) | +2.0% | +6.5% |
| CORN | 2023-07-03 | [Mexico's ban on tortillas made using GMO corn is an argument that can be tasted : NPR](https://feedsoft.ai/events/35024-mexico-s-ban-on-tortillas-made-using-gmo-corn-is-an-argument-that-can-be-tasted.md) | +1.4% | -5.6% |
| CORN | 2023-07-20 | [Mexico continues to amend proposed GM corn ban - Brownfield Ag News](https://feedsoft.ai/events/35020-mexico-continues-to-amend-proposed-gm-corn-ban-brownfield-ag-news.md) | +9.4% | -7.2% |

## Sources

- latimes.com: https://www.latimes.com/world-nation/story/2025-03-13/mexico-bans-planting-of-gmo-american-corn

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