杂交稻恢复系辐恢838的选育和利用  

Breeding and Utilization of Rice Restorer Fuhui 838

作　　者：邓达胜 广华蓉 邓文敏[1] 

机构地区：[1]四川省原子核应用技术研究所

出　　处：《杂交水稻》1996年第4期10-12,共3页Hybrid Rice

摘　　要：用辐射和变种间杂交结合的方法育成辐恢８３８。恢复度高、杂种优势强、抗性好、容易制种。与２２个不育系配组的组合比明恢６３配的相应组合增产显著。Fuhui 838,an indica restorer in rice,was developed by the Sichuan Provincial Institute ofApplied Nuclear Technology by way of radiation and crossing.Its growth duration is about 130 days with100～110 cm plant height,strong culm,and good stiff leaves. It was crossed to 22 CMS Iines and the re-suIts showed that the seed setting rates of all its hybrids were over 90%and higher than those of the hybridsof Minghui 63.Restorer Fuhui 838 has a good combining ability,the hybrid combinations of Fuhui 838 withⅡ-32A,Fu 74A,Fu 76A and Zhenshan 97A showed high yielding ability.Futhermore,Ⅱ You 838 wasexamined and approved for release in Sichuan Province in 1995.

关 键 词：杂交水稻 辐恢838 选择育种 杂种优势 

分 类 号：S511.035.1[农业科学—作物学]