, Volume 40, Issue 1, pp 555–565 | Cite as

Interchange-trisomics in barley

  • K. Das
  • H. M. Srivastava


Observations on morphology, sterility and cytology of some interchangetrisomics obtained from the progeny of radiation induced interchangeheterozygotes in a 6-rowed barley (Hordeum vulgare L.) var. K12 are described. The different interchange trisomics show distinct phenotypic expression and have been classified as “bushy”, “slender”, “robust”, “semi-erect” and “pseudonormal” on the basis of their gross morphology, leaf characteristics, awn and spike lengths. All interchange trisomics show pollen and ovule sterility which varies between plants. Meiotic behaviour is described. The five different interchange trisomics appear to have different extra chromosomes.


Hordeum Vulgare Phenotypic Expression Extra Chromosome Leaf Characteristic Spike Length 
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Copyright information

© Martinus Nijhoff 1969

Authors and Affiliations

  • K. Das
    • 1
  • H. M. Srivastava
    • 1
  1. 1.Department of Genetics & Plant BreedingFaculty of Agriculture, Banaras Hindu UniversityVaranasi-5(INDIA)

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