三系杂交稻新组合瑜香优191的选育

Breeding of a New Three-Line Hybrid Rice Combination Yuxiangyou 191

瑜香优191是湖南湘穗农业科技开发有限公司用自选母本瑜香178A与自选恢复系R19–1配组而成的三系杂交晚籼早熟新组合,该品种株叶形态好、产量高、熟期适宜、抗稻瘟病、香型、米质优、适应广,2022年7月通过国家农作物品种审定委员会审定(国审稻20220236)。介绍了该品种的选育过程、特征特性、栽培技术和制种技术要点,以期为该品种的推广提供参考。

Yuxiangyou 191 is a new early maturing three-line hybrid late indica combination from the cross of a self-bred female parent Yuxiang 178A and a self-bred restorer line R19-1(Hunan Xiangsui Agricultural Science and Technology Development Co.,Ltd.).It has the characteristics of good plant-leaf morphology,suitable maturity,high yield,moderate resistance to rice blast,aroma,excellent rice quality,and wide adaptability.It was approved by the National Crop Variety Approval Committee in July 2022(National Approval Rice No.20220236).This paper has introduced the breeding process,traits and characteristics,cultivation techniques,and seed production technology of Yuxiangyou 191,so as to provide reference for its promotion.