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Pakistan Journal of Biological Sciences
  Year: 2008 | Volume: 11 | Issue: 23 | Page No.: 2629-2633
DOI: 10.3923/pjbs.2008.2629.2633
Evaluation of Genetic Diversity among Different Genotypes of Brassica napus Using Random Amplified Polymorphic DNA Markers
E. Fazeli, F. Shahriari, H. Samizadeh, A. Bagheri and M. Farsi

Abstract:
In current research, genetic relationships among rapeseed genotypes from several geographical origins including France, Canada, Germany, Iran, Hungary, Denmark, Australia and America were evaluated using RAPD markers. Among generated 86 bands, 80 different polymorphic bands were obtained using 9 random primers. Diversity Index (DI) or Polymorphism Information Content (PIC) was varied from 0.29 to 0.48, showed a relatively high potential of primers among studied genotypes. Dice similarity coefficient between genotypes was calculated using Nei and Li formula. Maximum (0.91) and minimum (0.42) similarity coefficients were observed between Bristol and Amber genotypes, consul and express, respectively. Cluster analysis based on dice similarity coefficient was also carried out. Base on the cluster analysis, genotypes were grouped into five main clusters. Results showed that genotypes with same geographical origin were genetically different. Therefore, geographical origins of genotypes cannot be used as a base to cross parent to obtain high heterosis and it must be carried out by exact genetic studies. Results confirmed that RAPD is a simple, cheap and fast method for evaluation of genetic diversity of Brassica napus.
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How to cite this article:

E. Fazeli, F. Shahriari, H. Samizadeh, A. Bagheri and M. Farsi, 2008. Evaluation of Genetic Diversity among Different Genotypes of Brassica napus Using Random Amplified Polymorphic DNA Markers. Pakistan Journal of Biological Sciences, 11: 2629-2633.

DOI: 10.3923/pjbs.2008.2629.2633

URL: https://scialert.net/abstract/?doi=pjbs.2008.2629.2633

 
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