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中国科技网首页
19 分钟
用CT去考古:在“万年陶片”里透视“万年水稻”
显微CT的精度可达0.01毫米,因此,陶片中还发现了水稻稻谷上芒的痕迹,这同样可以用于分辨水稻的驯化程度。安婷说,不少禾本科植物的种子外壳上都有芒。芒既能抵御鸟类等动物吃种子,也可以帮助种子附着在其他物体上,向外传播。野生稻通常具有长芒,且芒上刚毛长 ...
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