...性状评估 1．1‘‘籼改粳”研究背景 1．1．1籼稻和粳稻的主要区别 籼稻（Oryza sativa indica）和粳稻（Oryza sativa japonica）是我国最主要的两 种栽培稻类型。
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Another theory proposes that the two major sub-species of rice - Oryza sativa japonica and O. sativa indica - were domesticated separately and in different parts of Asia.
另一种理论提出粳稻和籼稻这两种主要的水稻亚种是在亚洲不同地区分别被培育的。
The japonica rice (Oryza sativa L.) variety Zhonghua 11, developed by anther culture technology, was irradiated by gamma rays to induce extensive mutation for functional genomics research use.
利用伽玛射线对粳稻品种中花11进行辐照，以诱导广泛的形态突变体，为水稻功能基因组研究提供基础材料。
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