优质香型杂交水稻新组合桃秀优169的选育与应用

Breeding and Application of New High-quality Qausi-aromatic Hybrid Rice Combination Taoxiuyou 169

桃秀优169是湖南桃花源农业科技股份有限公司和四川农业大学水稻研究所合作利用三系不育系桃秀A与恢复系R169配组而成的早熟类型杂交晚稻新组合,2021年通过国家农作物品种审定委员会审定。该组合具有粒型细长、香味浓郁、熟期早、分蘖力强、株叶型好、丰产性好、抗倒伏等特点。介绍了该组合的选育过程、特征特性及其栽培与制种技术要点。

Taoxiuyou 169,derived from CMS line Taoxiu A and restorer line R169,is a new early-maturing late hybrid rice combination co-developed by Hunan Taohuayuan Agricultural Science and Technology Co.,Ltd.and Rice Research Institute of Sichuan Agricultural University.It was registered and released by the National Crop Variety Appraisal Committee in 2021.The combination has the characteristics of long and slender grain type,deep fragrance,early maturity,strong tillering ability,good plant and leaf type,good yield potential and lodging resistance.The breeding process,characteristics and key techniques of cultivation and hybrid seed production of this combination were introduced.