Summary
The RAPD procedure was used to establish genetic diversity of 28 potato genotypes including siblings and genotypes with no immediate relationship. In addition amplified DNA from three parents and Solanum chacoense were compared with that from six progeny to determine the genetic relationships. Amplification of genomic DNA from the 28 genotypes using PCR and 12 decamer primers yielded 158 amplified DNA fragments, ranging in size from 490 to 3200 bp. A total of 128 unique RAPD fragments were observed among the 28 potato genotypes. Similarity measures and principal coordinate analysis generally reflected the expected trends in relationships of the full and half-sib potato genotypes. However there were important exceptions to this general trend and it appears that related varieties can be as genetically different as varieties with no immediate relationship. The data suggest that RAPD analysis used in conjunction with pedigree information can provide a superior measure of genetic divergence than analysis based solely on pedigree information.
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Abbreviations
- PCR:
-
polymerase chain reaction
- RAPD:
-
random amplified polymorphic DNA
- DNA:
-
deoxyribonucleic acid
- CTAB:
-
cetyltrimethylammonium bromide
- RNA:
-
ribonucleic acid
- PCO:
-
principal coordinate analysis
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Communicated by R. L. Rodriguez
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Demeke, T., Lynch, D.R., Kawchuk, L.M. et al. Genetic diversity of potato determined by random amplified polymorphic DNA analysis. Plant Cell Reports 15, 662–667 (1996). https://doi.org/10.1007/BF00231920
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DOI: https://doi.org/10.1007/BF00231920