Molecular Diversity Analysis in F3 Intergeneric Population of Papaya (Carica papaya L.)

Authors

  • R Sudha Author
  • T N Balamohan Author
  • K Soorianathasundaram Author
  • N Manivannan Author

DOI:

https://doi.org/10.24154/jhs.v9i1.206

Keywords:

Carica papaya, Vasconcellea cauliflora, Intergeneric Hybridization, Molecular Diversity

Abstract

Attempts were made to estimate molecular diversity present in F3 populations of intergeneric crosses between Carica papaya L. (Var. Pusa Nanha and CP 50) and Vasconcellea cauliflora. Molecular studies revealed that PCR amplification using five ISSR primers in 40 F3 progenies yielded 53 reproducible amplified bands. Of the 53 bands, 44 were polymorphic (83.02%). Polymorphic Information Content (PIC) value ranged between 0.90 (ISSR 807 x 810) and 0.66 (ISSR 834 x 810). Similarity coefficients based on five ISSR markers ranged from 0.05 to 0.96. Maximum similarity was observed for genotypes 1, 4 and 6 of Pusa Nanha x Vasconcellea cauliflora (0.96). Minimum similarity was observed between genotypes 3 and 14 of CP 50 x Vasconcellea cauliflora (0.04). This higher genetic diversity of papaya progenies stands to contribute to development of new varieties and, using the data, further hybridization and selection can be planned.

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Published

30-06-2014

Issue

Section

Original Research Papers

How to Cite

Sudha, R., Balamohan, T. N., Soorianathasundaram, K., & Manivannan, N. (2014). Molecular Diversity Analysis in F3 Intergeneric Population of Papaya (Carica papaya L.). Journal of Horticultural Sciences, 9(1), 1-4. https://doi.org/10.24154/jhs.v9i1.206

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