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科学家指出，他们在大麦里发现了掌控抗旱能力强弱的基因，有助气候变迁时培育出更多抗旱农作物。

研究人员花了近5年的时间，从大麦的3万9000多个基因当中，分离出特定的HvMYB1基因。实验证明，如果植物里的该基因表现突出，比较能耐干旱。

科学家相信，此发现对谷物产业会有重要影响，因为与气候危机有关的干旱带来了日益困难的挑战。

专家提及，已经能够证明HvMYB1表现突出的植物能熬过长期乾旱。而这是一项重大发现，将来可以培育出更多抗旱农作物。