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Microsatellites distinguish sexual vs. apomictic reproduction in spontaneous Rubus hybrids
EP20555
Poster Title: Microsatellites distinguish sexual vs. apomictic reproduction in spontaneous Rubus hybrids
Submitted on 20 Dec 2013
Author(s): Lindsay V. Clark and Marie Jasieniuk
Affiliations: University of California - Davis
Poster Views: 853
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Poster Information
Abstract: In previous work we identified spontaneous hybrids between the native, sexual R. ursinus and the non-native, apomictic R. armeniacus and R. pensilvanicus. Using microsatellite genotypes of seeds and seedlings, we determine that the hybrids produce a mix of sexual and clonal offspring, and that sexual seeds have higher viability. This has implications for the ability of hybrid Rubus to evolve into new invasive forms.
Summary: In previous work we identified spontaneous hybrids between the native, sexual R. ursinus and the non-native, apomictic R. armeniacus and R. pensilvanicus. Using microsatellite genotypes of seeds and seedlings, we determine that the hybrids produce a mix of sexual and clonal offspring, and that sexual seeds have higher viability. This has implications for the ability of hybrid Rubus to evolve into new invasive forms.
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