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ARS Home » Southeast Area » Griffin, Georgia » Plant Genetic Resources Conservation Unit » Research » Research Project #432276

Research Project: Preservation and Maintenance of the U.S. Peanut Germplasm Collection

Location: Plant Genetic Resources Conservation Unit

Project Number: 6046-21000-012-06-R
Project Type: Reimbursable Cooperative Agreement

Start Date: Nov 1, 2016
End Date: Oct 31, 2019

Objective:
To regenerate and characterize the U.S. Peanut germplasm collection.

Approach:
Seeds of selected Plant Introduction numbers (PIs) from the collection will be obtained from the USDA-ARS Plant Genetic Resources Conservation Unit in Griffin, Georgia. The focus will be to select lines for regeneration based on the age and quantity of seed in storage and germination percentage. The most important aspect of the entire regeneration process is to make sure that the genetic purity/integrity of the PIs is not compromised. This is accomplished by maintaining proper separation of field plots (distance between adjacent plots), keep a close watch during digging so plants from one plot to the next don’t get mixed up, and making sure there is no seed mix-up during shelling process. Two-rows of each 10 foot long plots with a 38” spacing between the rows will be planted with a maximum of 60 seeds/plot. All standard management practices will be followed to grow healthy plants with proper insecticidal/fungicidal sprays as recommended. Plots will be harvested in October, dried, shelled and seeds will be submitted to the seed storage unit for long- term storage and distribution to requestors. Phenotypic data on different plant, pod and seed traits will be recorded for characterization of the PIs and necessary photographs taken. All data and images collected would be incorporated into the germplasm resources information network (GRIN-Global) for public accessibility and data mining capability.