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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.
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.
latimes.comKate Linthicum2025年4月1日在过去 310 次看跌的政策事件之后，玉米 在 5 个交易日内中位数变动 +0.3%（54% 上涨；中间一半区间为 -1.4% 至 +1.9%），20 个交易日内为 +0.6%。
历史可比事件尚不足，暂无法给出历史解读。
各商品基准价相对事件前最后收盘价的变动。历史数据汇总同类过往事件；仅描述已发生的情况，不代表未来走势。不构成投资建议。
