Dissection of genetic diversity present in eggplant populations using simple sequence repeat markers

Authors

  • Mahammed Faizan Department of Genetics and Plant Breeding, College of Horticulture, Mudigere, University of Agricultural and Horticultural Sciences, Shivamogga-577201, Karnataka, India
  • B. N. Harish Babu Zonal Agricultural and Horticultural Research Station, Hiriyur, University of Agricultural and Horticultural Sciences, Shivamogga-577201, Karnataka, India
  • B. Fakrudin Department of Biotechnology and Crop improvement, PG centre, GKVK, Bangalore University of Horticultural Sciences, Bagalkot, Karnataka-587104, India
  • D. Lakshmana Department of Genetics and Plant Breeding, College of Horticulture, Mudigere, University of Agricultural and Horticultural Sciences, Shivamogga-577201, Karnataka, India
  • M. Rakshith Department of Genetics and Plant Breeding, College of Horticulture, Mudigere, University of Agricultural and Horticultural Sciences, Shivamogga-577201, Karnataka, India

DOI:

https://doi.org/10.25081/jpsp.2022.v8.7848

Keywords:

DNA, Genetic diversity, SSR markers, AMOVA, GenAlEx, PCA

Abstract

Eggplant (Solanum melongena L.) is the third most important solanaceous vegetable and most diversified within species spread across the world-geographical area. A study was conducted to assess the genetic diversity among the selected fifty-four eggplant genotypes (sub-categorized into five sub-population) using twenty-three SSR markers. The Analysis of Molecular Variance among the five sub-population of eggplant revealed the existence of 90.67% variation within populations and 9.34% variation among populations. The SSR markers analysis revealed important locus-wise information like mean Observed-Heterozygosity (0.216), mean Expected-Heterozygosity (0.496), Shannon’s Information Index (0.879), mean number of different alleles (3.209), mean number of effective alleles (2.535), Fixation-Index (0.649). Further, Phylogenetic-analysis clearly categorize genetically distinct individuals in which the most diversified clusters was cluster-1 (C1) out of total of five clusters and especially, wild cultivars were grouped into cluster-5 (C5). The obtained results can be used in eggplant breeding and germplasm conservation in a resourceful manner.

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References

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Published

22-10-2022

How to Cite

Faizan, M., B. N. . Harish Babu, B. . Fakrudin, D. . Lakshmana, and M. . Rakshith. “Dissection of Genetic Diversity Present in Eggplant Populations Using Simple Sequence Repeat Markers”. Journal of Plant Stress Physiology, vol. 8, Oct. 2022, pp. 8-16, doi:10.25081/jpsp.2022.v8.7848.

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