Inheritance and mapping of 2n-egg production in diploid alfalfa.

  title={Inheritance and mapping of 2n-egg production in diploid alfalfa.},
  author={Gianni Barcaccia and Emidio Albertini and Daniele Rosellini and Stefano Tavoletti and Fabio Veronesi},
  volume={43 3},
The production of eggs with the sporophytic chromosome number (2n eggs) in diploid alfalfa (Medicago spp.) is mainly associated with the absence of cytokinesis after restitutional meiosis. The formation of 2n eggs through diplosporic apomeiosis has also been documented in a diploid mutant of M. sativa subsp. falcata (L.) Arcang. (2n = 2x = 16), named PG-F9. Molecular tagging of 2n-egg formation appears to be an essential step towards marker-assisted breeding and map-based cloning strategies… CONTINUE READING


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