优质抗稻瘟病水稻三系不育系渝750A的选育与应用
Breeding and Application of High-quality CMS Line Yu 750A with Blast Resistance in Rice
肖人鹏 1刘强明 1张现伟 1唐永群 1姚雄 1要燕杰 1李经勇1
作者信息
- 1. 重庆市农业科学院重庆再生稻研究中心,重庆 402160
- 折叠
摘要
渝750 A是重庆市农业科学院以金23B与中9B杂交,再与D香B复合杂交制保后,与G901A测交并连续多代回交选育而成的优质抗稻瘟病籼型水稻三系不育系.该不育系花粉败育彻底、异交习性好、稻米品质优良、抗稻瘟病,2021年通过重庆市农作物品种审定委员会鉴定.用该不育系所配组合渝优703于2022年4月通过重庆市水稻品种审定.
Abstract
Yu 750A is a new CMS line with high quality and blast resistance,which was derived from crossing G901A to the single plants selected from the cross of Jin 23B/Zhong 9B//D Xiang B by Chongqing Academy of Agricultural Sciences through the successive selection and backcrosses.It has a complete male sterility with 100％of pollen sterility,good outcrossing characteristics,good grain quality and strong rice blast resistance.It was technically identified by Chongqing Crop Variety Appraisal Committee in 2021.Yuyou 703,the hybrid combination derived from Yu 750A,was registered and released in Chongqing in April 2022.
关键词
杂交水稻/不育系/渝750A/优质/抗稻瘟病/选育Key words
hybrid rice/CMS line/Yu 750A/high quality/blast resistance/breeding引用本文复制引用
基金项目
重庆市自然科学基金面上项目(CSTB2022NSCQ-MSX1218)
重庆市技术创新与应用发展专项重点项目(CSTB2022TIAD-KPX0014)
重庆市农科院市级财政科研项目(cqaas2023sjczsy009)
出版年
2024
国家科技期刊平台
NSTL
万方数据