Study of genetic diversity and relationships among some diploid and tetraploid cotton genotypes of Iran using RAPD's Marker

Document Type : Research Paper

Authors

1 Assistant Prof. Agricultural and Natural Resources, Research Center of Khorasan Razavi, Iran

2 Prof. Agriculture Biotechnology Research Institute, Karaj, Iran

3 Associate Prof. Azad University, Science and Research unit, Tehran. Iran

4 Prof. Tabriz University, Agronomy and Plant Breeding Department, Iran

Abstract

Gossypium species (about 49 species) are vast resources of genetic diversity for improvement of cultivated cotton. To determine  intra- and  inter-specific genetic diversity and  relationships, it was  employed 30 RAPD's random decamer primers on twenty eight cotton accessions from 2 diploid cultivated species (G.arboreum, G.herbaceum) and 2 tetraploid cultivated species (G.hirsutum, G.barbadense). A total of 422 RAPD bands were amplified of which 88% (366) were polymorphic. Similarity indices estimated on the basis RAPD markers and cluster analysis based on similarity values showed high correspondence between RAPD marker system and known taxonomic relationships.

Keywords

References

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