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United States Department of Agriculture

Agricultural Research Service

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Davis, CA. 

National Clonal Germplasm Repository for Fruit and Nut Crops    Preserving Crop Diversity for Future Generations




The National Clonal Germplasm Repository (NCGR) at Davis is one of thirty-two federally funded repositories in the National Plant Germplasm System(NPGS) that is dedicated to the collection and preservation of plant germplasm from around the world.

The mission of the research unit is to collect, preserve, evaluate, and distribute the genetic resources of the crops assigned to us as part of the US National Genetic Resources Program. These resources are preserved to ensure that crop diversity in these species will be available for future generations and to support research efforts in variety development and other areas of plant research.


Current Research Programs


••          For information about the various research programs in our unit, select the Research tab.



Crops & Catalogs

••           Actinidia (Kiwifruit)
••           Diospyros (Persimmon)
••           Ficus (Fig)
••           Juglans (Walnut)
••           Morus (Mulberry)
••           Olea (Olives)
••           Pistacia (Pistachio)
••           Punica (Pomegranates)
••           Vitis (Grape)
••           Prunus(Peach, Cherry, Almond, Apricot, and Plum)



  Minor Genera Catalogs


  GRIN Resources 






Products & Services






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Please credit the USDA ARS National Clonal Germplasm Repository if you copy or reproduce material from our web site.



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Last Modified: 8/12/2016
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