Norin-10-Based Semidwarfism

  • Michael D. Gale
  • Colin N. Law
Part of the Basic Life Sciences book series (BLSC, volume 8)


Many short-strawed wheats, including the Norin-l0-based semidwarfs now grown in many countries, are characterized by their relative “insensitivity” to gibberellic acid. The nature of this insensitivity, its genetic control, and the relationships between the Gai genes and the Rht genes, which control height reduction in Norin-10 and Tom Thumb wheats, are described. The role and potential of these genes in agriculture and their relationship to other genes affecting yield, height, and other agronomic features are considered.


Plant Height Gibberellic Acid Dwarf Wheat Monosomic Analysis Plant Breeding Institute 
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Copyright information

© Plenum Press, New York 1977

Authors and Affiliations

  • Michael D. Gale
    • 1
  • Colin N. Law
    • 1
  1. 1.Plant Breeding InstituteCambridgeEngland

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