i'd say this is big all way round, in the corn world and more;

A coalition of 80 US agricultural, consumer, environmental, public health, and worker groups sent a letter Thursday to key figures in the Biden administration calling for them to "respect Mexico's sovereignty and refrain from interfering with its right to enact health-protective policies"—specifically, the phaseout of the herbicide glyphosate and the cultivation of genetically modified corn.

"Mexican President Andrés Manuel López Obrador quietly rocked the agribusiness world with his New Year's Eve decree," Timothy A. Wise of the Institute for Agriculture and Trade Policy (ITAP) noted earlier this year. "His administration sent an even stronger aftershock two weeks later, clarifying that the government would also phase out GM corn imports in three years and the ban would include not just corn for human consumption but yellow corn destined primarily for livestock.".............read more......