优质三系杂交水稻新品种隆晶优8129的选育

Breeding of a New Quality Three-Line Hybrid Rice Longjingyou 8129

隆晶优8129是隆平高科种业科学研究院用自育的优质香稻不育系隆晶4302A与自育的恢复系华恢8129配组而成的优质三系杂交水稻新品种。该品种广适性好、农艺性状好、米质优而且中抗稻瘟病,2018至2021年相继参加了国家华南稻区、长江上游、长江中下游稻区及湖南省和广西等地区域试验和生产试验,并通过国家和地方农作物品种审定委员会审定(国审稻20186003、国审稻20216037、桂审稻2019042号和湘审稻20190075),应用前景比较广阔。介绍了该品种的亲本来源、选育过程和主要特征特性,并展望了杂交水稻育种的发展方向。

Longjingyou 8129 is a new three-line hybrid rice variety with high quality and disease resistance,which is derived from the cross of a quality aromatic rice sterile line Longjing 4302A and a restorer line Huahui 8129 bred by Hunan Longping High-Tech Seeds Science Academy.The variety has neat population,suitable maturity,wide adaptability,good agronomic characters,high quality and medium resistance to rice blast.From 2018 to 2021,it successively involved in the regional tests and production tests carried out in the rice regions of South China,the upper reaches of the Yangtze River,the middle and lower reaches of the Yangtze River,Hunan and Guangxi,and was approved by the crop variety approval committees at national and provincial levels(National Authorized Rice 20186003,National Authorized Rice 20216037,Guangxi Province Authorized Rice 2019042,Hunan Province Authorized Rice 20190075).The variety has good adaptability and can be widely planted.In this paper,we introduced its parent source,breeding process and main characteristics,and discussed the development direction of hybrid rice breeding.