Reproductive Isolation Between indica and japonica Subspecies

  • Yidan Ouyang
Part of the Plant Genetics and Genomics: Crops and Models book series (PGG, volume 5)


The indica and japonica subspecies of cultivated rice (Oryza sativa L.) have strong genetic differentiations, which result in divergence in phenotypes and adaptations. Hybrid sterility between these two subspecies is frequently observed, which is a major form of postzygotic reproductive isolation in plants. Findings from molecular characterization of genes controlling indica–japonica hybrid sterility can summarize the genetic and molecular mechanism of reproductive barriers in rice. The understandings of the evolutionary process underlying reproductive isolation are illustrated based on the supporting evidences. The approaches for identifying hybrid incompatibility genes are also discussed in this chapter.


Reproductive Isolation Hybrid Sterility Reproductive Barrier Japonica Variety Rice Group 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.College of Life Science and TechnologyHuazhong Agricultural UniversityWuhanChina

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