The Nucleus

, Volume 58, Issue 3, pp 225–230 | Cite as

Further observations on chromosome diversity analysis in wild species of Vigna from India

  • Anju Shamurailatpam
  • Daniel Regie Wahlang
  • Latha Madhavan
  • Shrirang Ramachandra Yadav
  • Kangila Venkataraman Bhat
  • Satyawada Rama RaoEmail author
Original Article


Ten wild species of Vigna from the Indian gene centre have been karyo-morphologically analysed. All the studied taxa had somatic chromosome number of 2n = 22 except V. glabrescens which had 2n = 44. The chromosomes were found to be either metacentric, submetacentric and subtelocentric in type with their respective chromosome complements, and the complete absence of telocentric chromosomes in all of the taxa studied. The karyotypes of the species were mostly symmetrical. The significance of karyotypic variation among wild species in comparison with the cultivated ones of the genus Vigna has been discussed in detail. Such information has value in understanding cytogenetical relationship amongst these wild species reported to comprise of genes for resistance to insect, pests and diseases.


VignWild species Karyotype Asymmetry index NOR-chromosomes 



Nuclear Organizing Region


Asymmetry index


The shortest chromosome length


The longest chromosome length


Mean length of chromosome


Mean centromeric index


Standard Deviation


Component expressing the relative variation in chromosome length


Component expressing the relative variation in centromeric index


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Copyright information

© Archana Sharma Foundation of Calcutta 2016

Authors and Affiliations

  • Anju Shamurailatpam
    • 1
  • Daniel Regie Wahlang
    • 1
  • Latha Madhavan
    • 2
  • Shrirang Ramachandra Yadav
    • 3
  • Kangila Venkataraman Bhat
    • 4
  • Satyawada Rama Rao
    • 1
    Email author
  1. 1.Department of Biotechnology and BioinformaticsNorth Eastern Hill UniversityShillongIndia
  2. 2.National Bureau of Plant Genetic Resources, Regional StationVellanikkaraThrissurIndia
  3. 3.Department of BotanyShivaji UniversityKolhapurIndia
  4. 4.National Research Centre on DNA FingerprintingNational Bureau of Plant Genetic ResourcesNew Delhi,India

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