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Native crop diversity in Aridoamerica: Conservation of regional gene pools

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Abstract

Scholars have seldom considered the native crop diversity in northwest Mexico and the U.S. Southwest as resources of the same cohesive ecological and cultural region. The term Aridoamerica is introduced to describe this overlooked center of plant domestication and diversification, which is distinct from centers of Mesoamerica and the Mississippi Valley. To understand why certain of its landraces are unique, the systematic relationships and gene-pool relations of crops found prehistorically and protohistorically in Aridoamerica are reviewed. Signifcant crop/ weed introgression continues where indigenous agriculture persists, but native fields are being rapidly abandoned or converted. In planning in situ and ex situ conservation efforts to maintain this diversity, both cultural factors and plant population genetics must be considered.

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Authors and Affiliations

  1. Office of Arid Lands Studies, University of Arizona, 845 N. Park Ave., 85721, Tucson, AZ

    Gary Paul Nabhan

  2. Native Seeds/SEARCH, 3950 W. New York Dr., 85745, Tucson, AZ

    Gary Paul Nabhan

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  1. Gary Paul Nabhan
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Nabhan, G.P. Native crop diversity in Aridoamerica: Conservation of regional gene pools. Econ Bot 39, 387–399 (1985). https://doi.org/10.1007/BF02858746

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  • DOI: https://doi.org/10.1007/BF02858746

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