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Mexican scientists are calling on the government to establish evidence-based rules distinguishing gene editing from GMOs, following a presidential decree banning cultivation of GM maize. Researchers fear the decree's broad wording could also restrict gene-edited crops, while some scientists and critics raise risks and broader social concerns.
A decree restricting GM maize cultivation in Mexico, a major corn importer, keeps trade policy uncertainty elevated, though the direct price effect on feed corn remains modest.
isaaa.org2025年10月22日在过去 439 次中性的政策事件之后，玉米 在 5 个交易日内中位数变动 +0.1%（51% 上涨；中间一半区间为 -1.3% 至 +1.2%），20 个交易日内为 +1.1%。
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。
