![]() ![]() These accessions can be a source for parental genes for enhancement efforts to produce hybrids, or for breeding new cultivars for agricultural production. Evaluation and characterization includes essential oil content, disease resistance, male sterility, and other traits for potential breeding use. Plant breeders at private and public institutions are using molecular analysis to determine identity and diversity of the USDA mint collection. An initial set of microsatellite markers has been developed to determine clonal identity and assess genetic diversity. Pressed voucher specimens have been prepared for morphological identity verification. ![]() These mints have been evaluated for cytology, oil components, verticillium wilt resistance, and key morphological characters. Other representatives of diverse mint taxa and crop wild relatives have since been obtained from collaborators in Australia, New Zealand, Europe, and Vietnam. Todd Company, located in Kalamazoo, Michigan. The majority of mint accessions and hybrids in this collection were initially donated in the 1970s by the A.M. Mint crop wild relatives are included in this unique resource. This facility preserves and distributes about 450 clones representing 34 taxa, hybrid species, advanced breeder selections, and F 1 hybrids. The US Department of Agriculture (USDA), Agricultural Research Service, National Clonal Germplasm Repository (NCGR) maintains a mint genebank in Corvallis, Oregon. The distilling of essential oils from mint began in Japan and England but has become a significant industrial product for the US, China, India, and other countries. These fragrant plants have been selected throughout millennia for use by humans as herbs, spices, and pharmaceutical needs. Mentha is a strongly scented herb of the Lamiaceae (formerly Labiatae) and includes about 30 species and hybrid species that are distributed or introduced throughout the globe. 6Colorado State University, Geospatial Centroid, Fort Collins, CO, United States.5National Laboratory for Genetic Resources Preservation, Agricultural Research Service, United States Department of Agriculture, Fort Collins, CO, United States.4Decision and Policy Analysis, International Center for Tropical Agriculture (CIAT), Cali, Colombia.Murdock Metabolomics Laboratory, Washington State University, Pullman, WA, United States 3Institute of Biological Chemistry and M.J.2National Clonal Germplasm Repository, USDA-ARS, Corvallis, OR, United States.1Department of Horticulture, Oregon State University, Corvallis, OR, United States. ![]()
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