Corn as cultural heritage

Mexico has been purchasing about $3 billion of corn annually from farmers in the USA, the vast majority of that corn having been grown from genetically modified seeds. The Mexican government announced in 2020 that it would, in 2025, ban that GMO corn from the country, which was found to be in violation of the USMCA agreement of 2018. So now, the Mexican government has amended their constitution to identify native corn as an "element of national identity," which will ban GMO corn from being planted in the country – and "[a]ny other use of genetically modified corn must be evaluated ... to be free of threats to the biosecurity, health and biocultural heritage of Mexico and its population." What exactly does this all mean, for farmers in Mexico, for the environment in the Americas, and for the price of tacos? We try to suss it all out in this episode of Agave Road trip!

Agave Road Trip is a critically acclaimed, award-winning podcast that helps gringx bartenders better understand agave, agave spirits, and rural Mexico. This episode is hosted by Lou Bank with special guest Dave Dyrek, retired farmer of Leaning Shed Farm, with quotes from Dr. Hector Ortiz of the Chicago Botanic Gardens and Chef Gustavo Romero of Oro by Nixta.

Episode Notes

When in Chicago, visit the Chicago Botanic Gardens! When in Minneapolis, grab a meal and a stack of tortillas at Oro by Nixta! When traveling back in time, head to the farmers market and visit Leaning Shed!

“US wins ruling in a trade dispute with Mexico over its bid to ban genetically modified corn,” AP News, December 20, 2024

“After trade dispute, Mexico officially bans the planting of GM corn,” Reuters, February 25, 2025

“Don’t mess with Mexico’s maíz: Constitutional amendment to ban GMO corn seeds,” Los Angeles Times, March 13, 2025

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