Chromosome behavior and sterility of hybrids between the common onion, Allium cepa, and the related wild A. oschaninii

McCollum, G. D. (1974) Chromosome behavior and sterility of hybrids between the common onion, Allium cepa, and the related wild A. oschaninii. Euphytica, 23 (2). pp. 699-709.

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Abstract

Four hybrid plants were obtained when cytoplasmic male-sterile onion inbreds, Allium cepa L., were pollinated with a wild cepa-like allium introduced from northeastern Iran and identified as A. oschaninii O. Fedtsch. It has been proposed on morphological grounds that A. oschaninii is wild A. cepa or the ancestor of A. cepa. Nevertheless, chromosome irregularities and complete sterility in the hybrids suggest that there may be a greater sterility barrier between A. cepa and A. oschaninii than between A. cepa and 3 other species reported to cross with A. cepa, namely A. fistulosum L., A. galanthum Kar. et Kir., and A. pskemense B. Fedtsch.

Item Type: Article
Author Affiliation: Agricultural Research Service, Plant Genetics and Germplasm Institute, U.S. Department of Agriculture, 20705, Beltsville, Maryland, USA
Subjects: Crop Improvement
Divisions: General
Depositing User: Mr Siva Shankar
Date Deposited: 05 Jul 2013 03:51
Last Modified: 05 Jul 2013 03:51
Official URL: http://dx.doi.org/10.1007/BF00022493
URI: http://eprints.icrisat.ac.in/id/eprint/10885

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