Title: Selective breeding method of hybrid rice of late blooming season long-grained rice restoring line and subspecies
Application Number: 200610089040 Application Date: 2006.07.31
Publication Number: 1887062 Publication Date: 2007.01.03
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A01H1/02;A01H1/04;A01H5/00
Applicant(s) Name: Chinese Inst. of Rice Address:
Inventor(s) Name: Wu Mingguo;Lin Jianrong;Song Xinwei
Attorney & Agent: wang pengfei
Abstract:
    The present invention relates to selective breeding method of hybrid rice. The late blooming season wide affiliation long-grained rice restoring line CH59 which excellent agronomic character is selectively bred through hybridizing and generation adding the restoring line G230 as female parent and the restoring line Chuanhui-58 as female parent, the blooming season characteristic identification on the F2 group, eliminating the plants with early blooming season, further blooming season characteristic identification, agronomic character screening, resistance and rice quality identification, fertility restoring capacity determination and affinity identification. By using japonica rice sterile line Chuanjiang 16A and Chuanjiang 12A as female parent and the restoring line CH59 as male parent, the hybrid rice Chuanyou 59 and Chuanyou 259 are bred.
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