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文章介绍了优Ⅰ—２００号的选育经过，在区试及示范试种中的产量表现，特征特性及米质，并对这个组合的栽培及繁殖制种提出了技术要点。
In this paper, the yield performance, characteristics and quality of hybrid rice Ⅰ-200 were introduced. The technical points of breeding and breeding of this combination were put forward.