Wednesday, 9 November 2005 - 8:30 AM
258-1

USDA Soybean Germplasm Collection: Genetic Diversity for an Agronomic Crop.

Randall Nelson and Esther Peregrine. USDA-ARS, University of Illinois, 1101 West Peabody Drive, Urbana, IL 61801

The USDA Soybean Germplasm Collection has grown from 2,000 to over 20,000 accessions since it was established in 1949 with sites at both Urbana, IL and Stoneville, MS. The Collection was consolidated at Urbana in 1991. The Collection contains genetic stocks, germplasm and cultivar releases from the U.S. and Canada as well as imported accessions of Glycine max, the cultivated soybean; and accessions of wild soybean, G. soja, and 16 perennial Glycine species. Over the past 15 years the annual average number of requests has increased 30% but the number seed lots distributed has increased over 150%. The distribution of users of the Collection has changed little over the past decade. Domestic users represent 87% of the requests with 42% of those requests from universities, 30% by ARS scientists, and 25% from private industry. In the past decade we have distributed seeds to 124 colleges and universities in 46 states, ARS locations in 26 states and 169 commercial companies. Public institutions make 78% of the requests from other countries. During the past 10 years, we have distributed seeds of 98% of the accessions in the Collection and five or more samples for 87% of all accessions. There are five general categories of clientele that we seek to serve: users requesting accessions with known traits, users that evaluate a limited number of accessions, users that evaluate a large number of the accessions, other germplasm collections, and potential users that could benefit from using our germplasm. Each type of requestor has different needs regarding the types of information that will be most useful. We will discuss what we are doing to meet the needs of each category of clientele and the limitations that impede progress.

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Back to The ASA-CSSA-SSSA International Annual Meetings (November 6-10, 2005)