首页|低直链淀粉含量优质软米型水稻不育系科源A的选育及应用

低直链淀粉含量优质软米型水稻不育系科源A的选育及应用

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科源A是广西农业科学院水稻研究所利用美B与宜香B杂交,后代经分子标记跟踪检测,多年定向选择含gs3、Wxb、fgr等基因的优良单株,再与美A测交、回交转育育成的优质软米型三系不育系.科源A花粉败育彻底、不育性稳定,有香味,异交率高,所配组合呈弱感光性,稻米品质优良,直链淀粉含量低、香甜软糯,2020年4月通过广西农作物品种审定委员会组织的技术鉴定.利用科源A已选育出2个优质杂交组合(科源优616、科源优610)通过国家品种审定.
Breeding and Application of High-quality Soft Rice CMS Line Keyuan A with Low Amylose Content
Keyuan A is a high-quality soft rice type three-line male sterile line developed by the Rice Research Institute of Guangxi Academy of Agricultural Sciences.The offsprings of the hybridization between Mei B and Yixiang B were tracked and detected by molecular markers,and the elite single plants containing the genes of gs3,Wxb and fgr were selected in multi-year directional selection,and then they were testcrossed with Mei A followed by successive backcrosses to develop Keyuan A.It has stable sterility with complete pollen sterility,fragrance and high outcrossing rate,its hybrid combinations show weak photosensitivity and good grain quality with low amylose content and aromatic soft cooked rice.It passed the technical identification organized by Guangxi Crop Variety Appraisal Committee in April 2020.Two high-quality hybrid combinations(Keyuanyou 616 and Keyuanyou 610)derived from Keyuan A have been approved by the National Crop Variety Appraisal Committee.

hybrid ricemale sterile lineKeyuan Alow amylose contenthigh qualitysoft ricebreeding

陈韦韦、邓国富、周维永、李经成、伍豪、马志广、戴高兴

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广西壮族自治区农业科学院水稻研究所,广西南宁 530007

广西壮族自治区农业科学院,广西南宁 530007

杂交水稻 不育系 科源A 低直链淀粉含量 优质 软米 选育

国家自然科学基金项目国家重点研发计划广西科技重大专项广西科技重大专项国家水稻产业技术体系南宁综合试验站广西水稻产业科技先锋队广西水稻重点实验室自主创新项目广西水稻重点实验室自主创新项目广西农业科学院基本科研业务专项广西农业科学院基本科研业务专项

323604952022YFD1100100桂科AA22068087-5桂科AA22068087-13CARS-01-93桂农科盟202301-012022-36-Z01-ZZ012022-36-Z01-ZZ02桂农科2021YT025桂农2023YM63

2024

10.16267/j.cnki.1005-3956.20230903.273

杂交水稻
国家杂交水稻工程技术研究中心 湖南杂交水稻研究中心

杂交水稻

CSTPCD北大核心
影响因子：0.432
ISSN：1005-3956
年,卷(期)：2024.39(1)
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