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. 1990 Jan;79(1):113-8.
doi: 10.1007/BF00223796.

Introgression of Allium fistulosum L. into Allium cepa L.: cytogenetic evidence

E B Peffley  1 , P D Mangum
Affiliations

Introgression of Allium fistulosum L. into Allium cepa L.: cytogenetic evidence

E B Peffley et al. Theor Appl Genet. 1990 Jan.

Abstract

A diploid Allium cepa plant was recovered from the backcross of an interspecific triploid (2 x A. cepa + 1 x A. fistulosum) to an A. cepa diploid which exhibited both A. cepa and A. fistulosum Adh-1 alleles. Cytogenetic analyses revealed a recombinant sub-telocentric chromosome. The ADH-1 locus is believed to be on the long arm of the sub-telocentric A. fistulosum chromosome 5. Meiosis of the triploid progenitor gives strong evidence that recombination occurred. A. fistulosum chromosome 8 has been substituted for A. cepa chromosome 1.

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References

    1. Theor Appl Genet. 1985 Dec;71(2):176-84 - PubMed