Summary
The possibility of genotype identification with RFLP fingerprints was examined with 20 tetraploid potato varieties and 38 diploid potato lines. By using a sensitive detection system for small restriction fragment length differences and highly variable potato sequences as probes, all genotypes (diploids and tetraploids) were distinguished by a minimum of two probe/enzyme combinations. The best single probe/enzyme combination distinguished 19 out of 20 4n varieties and 33 out of 38 2n lines. Intravarietal variability was very small compared to the intervarietal variability, and patterns obtained with different DNA sources of the same genotype were identical.
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Gebhardt, C., Blomendahl, C., Schachtschabel, U. et al. Identification of 2n breeding lines and 4n varieties of potato (Solanum tuberosum, ssp. tuberosum) with RFLP-fingerprints. Theoret. Appl. Genetics 78, 16–22 (1989). https://doi.org/10.1007/BF00299747
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DOI: https://doi.org/10.1007/BF00299747