, Volume 102, Issue 1, pp 47–57 | Cite as

Genetic contribution of Chinese landraces to the development of sorghum hybrids

  • Yu Li
  • Cuizhen Li


The origin of sorghum hybrids developed in China in the past several decades was analyzed in order to assess genetic contribution of Chinese landraces (Kaoliang) to the sorghum hybrids, to evaluate the genetic diversity existing in the A-lines and R-lines mainly used in breeding programs, and to outline a proper strategy for the future development of sorghum improvement. Basically, Chinese sorghum landraces have played an important role in the development of R-lines while foreign germplasm have played an essential role in the development of A-lines. Because cytoplasmic male-sterility has not been certainly found in Chinese sorghum, cytoplasmic and nuclear genetic backgrounds of A-lines will continue to depend on foreign sorghum types in the future. Genetic diversification including cytoplasmic diversification has to be a priority in future hybrid breeding and production. To obtain superior hybrid vigor, Chinese sorghum germplasm will have to play a more important role in hybrid breeding programs in the future.

Sorghum bicolor Chinese origin hybrid Kaoliang landrace sorghum 


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Copyright information

© Kluwer Academic Publishers 1998

Authors and Affiliations

  • Yu Li
    • 1
  • Cuizhen Li
    • 1
  1. 1.Chinese Academy of Agricultural SciencesInstitute of Crop Germplasm ResourcesBeijingThe People's Republic of China

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