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Genetic diversity among varieties of Chia (Salvia hispanica L.)

Abstract

Chia, Salvia hispanica L., was a staple crop in pre-Columbian Mesoamerica. Despite the great potential of the species as an oilseed crop, little research related to domesticated and wild varieties exists. A study was undertaken to assess genetic diversity among 38 wild and domesticated accessions of S. hispanica collected throughout Mesoamerica by using RAPD markers. Genetic diversity was higher among wild varieties (H G= 0.15) than all domesticated varieties (H G= 0.10) and modern commercial domesticated varieties (H G= 0.02), suggesting a slight loss of diversity accompanying domestication and a near lack of diversity in modern commercial varieties. In addition, the preliminary results indicate that the center of genetic diversity is in the highlands of western Mexico.

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Joseph, C.P. Genetic diversity among varieties of Chia (Salvia hispanica L.). Genetic Resources and Crop Evolution 51, 773–781 (2004). https://doi.org/10.1023/B:GRES.0000034583.20407.80

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  • DOI: https://doi.org/10.1023/B:GRES.0000034583.20407.80

  • Chia
  • Domestication
  • Genetic diversity
  • Mesoamerica
  • Mexico
  • Oilseed
  • RAPD
  • Salvia hispanica