浙江农业科学 ›› 2025, Vol. 66 ›› Issue (4): 843-847.DOI: 10.16178/j.issn.0528-9017.20240308

• 水稻 • 上一篇    下一篇

圆粒专用型两系早籼恢复系辐269的选育及应用

王伟1(), 祁永斌1, 王俊敏1, 肖长明2, 李克宽2, 刘超纲1, 刘庆龙1,*()   

  1. 1.浙江省农业科学院 作物与核技术利用研究所,浙江 杭州 310021
    2.江西现代种业股份有限公司,江西 南昌 330026
  • 收稿日期:2024-04-25 出版日期:2025-04-11 发布日期:2025-05-09
  • 通讯作者: 刘庆龙
  • 作者简介:刘庆龙(1968—),男,湖南衡山人,副研究员,博士,从事水稻育种工作,E-mail:lqdragon6180@x263.net
    王伟(1991—),女,内蒙古呼伦贝尔人,助理研究员,博士,从事水稻辐射新种质创制与应用工作,E-mail:wangweillww@163.com
  • 基金资助:
    浙江省水稻新品种选育重大专项(2021C02063-2);浙江省水稻新品种选育重大专项(2016C02050-2);浙江省“9410计划”子课题(2012C12901-2);农业部农业公益性行业科研专项(200803034)

Breeding and application of round grain specialized two-line early indica rice restorer line Fu 269

WANG Wei1(), QI Yongbin1, WANG Junmin1, XIAO Changming2, LI Kekuan2, LIU Chaogang1, LIU Qinglong1,*()   

  1. 1. Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang
    2. Jiangxi Morden Breed Industry Co., Ltd., Nanchang 330026, Jiangxi
  • Received:2024-04-25 Online:2025-04-11 Published:2025-05-09
  • Contact: LIU Qinglong

摘要:

辐269是以早籼品系中07-108为母本、早籼品系04YK17为父本去雄杂交,F1代干种子经过80 Gy γ-射线辐照处理后,采用系谱法选育出的两系早籼恢复系。该恢复系具有配合力强、花粉量大、制种产量高、谷圆粒、直链淀粉含量较高和高抗稻瘟病等特点。配组的两系杂交早稻陵两优69(组合名称湘陵628S×辐269)于2018年通过江西省农作物品种审定委员会审定,并于2019年通过湖南省引种备案。

关键词: 两系早籼恢复系, 辐269, 诱变育种, 高直链淀粉含量, 圆粒型

Abstract:

Fu 269, a two-line early indica rice restorer line, was developed through the pedigree breeding method by irradiating F1 dry seeds of Zhong 07-108 × 04YK17 using 80 Gy γ-rays. It has the primary characteristics of strong restoring ability, heavy pollen load, high hybrid seed yield, round grain, high amylase content, high resistance to rice blast, et al. The two-line early indica hybrid rice combination Lingliangyou 69 (the combination of Xiangling 628S×Fu 269) was approved by the Jiangxi Provincial Crop Variety Approval Committee in 2018 and registered for introduction in Hunan Province in 2019.

Key words: two-line early indica rice restorer line, Fu 269, mutation breeding, high amylase content, round grain

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