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USDA ARS National Rhizobium Germplasm Collection

Published by Agricultural Research Service | Department of Agriculture | Metadata Last Checked: October 02, 2025 | Last Modified: 2025-09-24
<p>Our mission is to support application of low-input sustainable agriculture by: Providing, to the best of our ability, technical information about rhizobia, their preservation, and cultural and symbiotic characteristics; Acquiring and preserving the nitrogen-fixing bacterial symbionts of leguminous plants with the goal of maintaining widest possible genetic diversity; Maintaining quality control of new and existing germplasm by evaluation of microbiological purity and by examination of nodulation of the original trap host plant; Distributing cultures to the public and private sectors without charge for these services; Developing or adapting techniques in molecular biology for the determination of genetic diversity of rhizobia, to investigate interactions with their host plants and to identify novel characteristics; Acquiring, maintaining, evaluating quality, and distributing type strains for all the different taxa of nitrogen-fixing legume symbionts; Participating in the UNESCO program.</p> <div><br>Resources in this dataset:</div><br><ul><li><p>Resource Title: USDA ARS National Rhizobium Germplasm Collection.</p> <p>File Name: Web Page, url: <a href="https://www.ars-grin.gov/Rhizobium" target="_blank">https://www.ars-grin.gov/Rhizobium</a> </p></li></ul><p></p>

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