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Experimental introgression of Allium fistulosum into A. cepa



Experimental introgression of Allium fistulosum into A. cepa



Dissertation Abstracts International, B Sciences and Engineering 46(1): 57B



The sterility of F1 hybrids of A. fistulosum and A. cepa was accounted for by the occurrence at meiosis of multivalents, suggesting a chromosome translocation, and bridges, indicating that at least one inversion differentiates the species. In the interspecific triploid (2 A. cepa : 1 A. fistulosum) Delta Giant there was preferential pairing between A. cepa genomes, leaving A. fistulosum univalents, but a low level of multivalent associations involving A. fistulosum allowed recombination.

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Accession: 001364141

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