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A presidential decree in Mexico protecting the country as a centre of origin for maize was published in a research database. The abstract describes the 2021 glyphosate phase-out and a directive for biosafety authorities to refuse permits for GM maize releases.
The decree signals continued restrictions on GM maize permits in Mexico, which limits biotech corn adoption and US corn export growth over time.
After 439 past neutral policy events, Corn moved a median +0.1% over 5 sessions (51% higher; middle half -1.3% to +1.2%), and +1.1% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.