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优Ⅰ2009是江西科源种业有限公司与赣州市章贡区种子管理站合作,用优ⅠA与自育恢复系R2009配组育成的杂交早稻新组合。该品种具有株型适中,分蘖力强,长势繁茂,稃尖紫色,结实率高,熟期转色好等特点。2013年1月通过江西省农作物品种审定委员会审定,审定编号为赣审稻2013021。介绍了优Ⅰ2009的亲本来源及其选育过程、特征特性、栽培和制种技术要点。
You Ⅰ 2009 was a new early hybrid rice combination developed by Jiangxi Keyuan Seed Co., Ltd. and Zhanggong District Seed Management Station in Ganzhou City, using excellent ⅠA and self-restorer line R2009. The variety has a moderate plant type, strong tillering, growing lush purple tip, high seed setting rate, good turn-good color and so on. In January 2013, it was approved by Jiangxi Provincial Crop Variety Approval Committee and examined and approved as Gan Zao Dao 2013021. The sources of the parents and the breeding process, characteristics, cultivation and seed production techniques of You Ⅰ.