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Wild Plant Genetic Resources in North America: An Overview

  • Stephanie L. GreeneEmail author
  • Colin K. Khoury
  • Karen A. Williams
Chapter

Abstract

North America, including Canada, Mexico, and the United States, is rich in plant species used by humans in both ancient and modern times. A select number of these have become globally important domesticated crops, including maize, beans, cotton, and sunflower. Many other native and also naturalized species have potential for use, either directly or as genetic resources for breeding agricultural crops. However, despite increasing recognition of their potential value, deficiencies in information, conservation, and access to the diversity in these plants hinder their further use. This chapter provides an overview of the agriculturally relevant wild plant resources of North America, with focus on wild relatives of globally important major crops, as well as the wild cousins of regionally and locally important domesticates. The chapter concludes by providing an overview of strategies for conserving wild plant genetic resources, including the international regulatory frameworks affecting policies to various degrees in Canada, Mexico, and the United States.

Keywords

Germplasm Genetic resources Wild species Conservation North America Crop resources 

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Copyright information

© This is a U.S. government work and not under copyright protection in the U.S.; foreign copyright protection may apply 2018

Authors and Affiliations

  • Stephanie L. Greene
    • 1
    Email author
  • Colin K. Khoury
    • 1
    • 2
  • Karen A. Williams
    • 3
  1. 1.USDA, Agricultural Research Service, Center for Agricultural Resources Research, National Laboratory for Genetic Resources PreservationFort CollinsUSA
  2. 2.International Center for Tropical Agriculture (CIAT)CaliColombia
  3. 3.USDA, Agricultural Research Service, Beltsville Agricultural Research Center, National Germplasm Resources LaboratoryBeltsvilleUSA

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