A CORE SUBSET ESTABLISHED FOR THE USDA COWPEA [VIGNA UNGUICULATA (L.) WALP.] GERMPLASM COLLECTION

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  • 1 Plant Genetic Resources Conservation Unit, U.S. Department of Agriculture, Agricultural Research Service, Griffin, GA 30223
  • | 2 Department of Horticulture, Auburn University, AL 36849
  • | 3 U.S. Department of Agriculture, Agricultural Research Service, Charleston, SC 29414
  • | 4 Department of Botany and Plant Sciences, University of California, Riverside, CA 92521
  • | 5 Department of Horticultural Sciences, Texas A&M University, College Station, TX 77843
  • | 6 Department of Horticulture, University of Arkansas, Fayetteville, AR 72701

The Vigna Crop Germplasm Committee has established a core subset for the USDA cowpea germplasm collection. The subset consists of 9.3% (700 accessions) of the 7525 accessions currently contained in the collection. The subset was selected on the basis of country of origin, taxonomic characteristics, and known disease and pest resistance characteristics. Theoretically, the lines in the subset represent the genetic diversity present in the entire collection. A listing of the accessions in the subset is available from the Vigna germplasm curator (A.G. Gillaspie). The listing can also be accessed through the USDA's Germplasm Resources Information Network (GRIN).

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