Origin and evolution of cultivated tetraploid potatoes via 2n gametes

@article{Iwanaga1982OriginAE,
  title={Origin and evolution of cultivated tetraploid potatoes via 2n gametes},
  author={Dr. M. Iwanaga and Stanley J. Peloquin},
  journal={Theoretical and Applied Genetics},
  year={1982},
  volume={61},
  pages={161-169}
}
A high gene frequency for ps (parallel spindles) is expected in cultivated tetraploid potatoes, S. tuberosum Group Tuberosum, if 2n pollen produced by ancestral diploid plants which were psps was involved in the origin and evolution of the potato. Fifty-six North American cultivars (varieties and advanced selections) were pollinated by diploid clones, either W 5295.7 or W 5337.3 which are homozygous recessive for ps. The segregation ratios in regard to 2n pollen production in derived tetraploid… CONTINUE READING
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