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优Ⅰ315是用高异交率优质不育系优ⅠA为母本,与自选恢复系测315配组而成的杂交水稻早籼组合。该组合具有产量高、直链淀粉含量高(26.8%)、制种产量高等特点,可作为米粉加工型专用稻利用。该组合于2003年2月通过广西壮族自治区农作物品种审定委员会审定。文章介绍了其选育经过、特征特性及其应用技术。
You Ⅰ315 is a hybrid rice combination of early indica with high yielding CMS line Ⅰ IA as the female parent and optional restorer line 315. The combination has the characteristics of high yield, high amylose content (26.8%) and high seed production yield, which can be used as special rice processing rice. The combination was approved by the Crop Variety Approval Committee of Guangxi Zhuang Autonomous Region in February 2003. The article introduced its breeding process, its characteristics and application techniques.