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Alfalfa Genomic Resources

Developing alfalfa (Medicago sativa) genomic resources is challenging given a highly complex tetraploid genome with high rates of heterozygosity. Although the related legume, Medicago truncatula, has genomic resources that have been very valuable to alfalfa, marker/trait associations that are important to alfalfa breeding are difficult to develop without an alfalfa genome reference. This project, in collaboration with the USDA, will develop a genome assembly and annotation of RegenSY27x and make it available through web-accessible tools. We expect these resources to be valuable tools in improving breeding efficiency of important alfalfa agronomic traits such as forage yield, stand persistence, forage quality, compatibility with grasses, tolerance to biotic and abiotic stresses, and grazing tolerance.


  • S. Miller, M. Dornbusch, A. Farmer, R. Huertas, J. Gutierrez-Gonzalez, N. Young, D. Samac and S. Curtin.
    Alfalfa (Medicago sativa L.) pho2 mutant plants hyperaccumulate phosphate
    G3 (Bethesda), 2022, PMID 35471600
    Alfalfa Genome 

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