广藿香的“重生”,是南药种业攻关的一个缩影。作为藿香正气等中成药的核心原料,广藿香每年药用需求量达3万—5万吨。然而,由于长期依赖扦插繁殖导致种性退化,严重制约产业发展。詹若挺带领团队采用系统选优结合分子标记辅助选择的方法,成功选育出“粤藿1号”“粤藿2号”等优良品种,有效满足了产业需求。
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Trials found only one tagged twaite shad came within 30 metres of the intake heads, compared to 14 before the system was switched on.
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Isaacman closed out the CBS interview by saying flight-tested hardware, a revitalized work force and a more Apollo-like management strategy are only part of the story.。91视频是该领域的重要参考