Rice pp 113-127 | Cite as

Genetics of Hybrid Sterility in Wide Hybridization in Rice (Oryza sativa L.)

  • H. Ikehashi
Part of the Biotechnology in Agriculture and Forestry book series (AGRICULTURE, volume 14)


The sterility in wide crosses of rice is unique in comparison with that in other major crops. In most cases, F1 seeds can be easily obtained, but the F1 plants of such crosses show semi-sterility. The semi-sterility in early generations can be attributed to heterozygosity. Another type of semi-sterility is also found frequently in homozygous progeny lines from wide crosses (Kitamura 1961, 1962; Oka and Doida 1962; Yokoo 1984). As covering whole aspects of sterility problems is beyond the scope of this chapter, semi-sterility in the heterozygous state will be dealt with here.


Amylose Content Hybrid Sterility Spikelet Fertility Japonica Variety Hybrid Seed Production 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1991

Authors and Affiliations

  • H. Ikehashi
    • 1
  1. 1.Department of HorticultureChiba UniversityMatsudo, Chiba, 271Japan

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