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ARS Home Northeast Area Geneva, New York Plant Genetic Resources Unit (PGRU) People







Tyler  Gordon    Research Geneticist (Plants) /ARSUserFiles/57230/Tyler-hemp (2).jpg **Tyler Gordon** Research Geneticist (Hemp) Plant Genetic Resources Unit (PGRU) tyler.gordon@usda.gov (315) 787-2312 **Overview** Hemp (Cannabis sativa L.) is used to manufacture a variety of products including fabrics, construction materials, seed-based foods, and medicinal oils. Extensive research is required to further utilize hemp as a modern fiber, oilseed, medicinal, and industrial crop. Currently, there is limited access to hemp genetic resources, a lack of knowledge of the genetic architecture underlying priority traits, and few genetically stable cultivars are available. Our team is excited to work on some of the challenges associated with hemp production such as regulatory compliance, seed shattering, and stand uniformity.  Specifically, we are working with other USDA and university partners to evaluate the diverse USDA hemp collection for important secondary metabolites, seed and fiber quality, and adaptation to an array of environmental stressors. Please reach out if you’re curious about this research and would like to learn more. Our multidisciplinary team is looking for additional collaborations, ideas, and engaged learners. **Education** Ph.D. Plant Science                                   University of Idaho M.Sc. Botany and Plant Pathology       Oregon State University B.S.     Biology                                              Linfield College   Publications(Clicking on the reprint iconReprint Icon  will take you to the publication reprint.)Genome-wide association mapping identifies common bunt (Tilletia tritici/laevis) resistance loci in bread wheat (Triticum aestivum) accessions of the USDA National Small Grains Collection-(Peer Reviewed Journal) Ehn, M., Michel, S., Morales, L., Gordon, T.C., Dallinger, H.G., Burstmayr, H. 2022. Genome-wide association mapping identifies common bunt (Tilletia tritici/laevis) resistance loci in bread wheat (Triticum aestivum) accessions of the USDA National Small Grains Collection. Theoretical and Applied Genetics. Available: https://doi.org/10.1007/s00122-022-04171-3.Comparative sequencing and SNP marker validation for oat stem rust resistance gene Pg6 in a diverse collection of Avena accessions-(Peer Reviewed Journal) Gordon, T.C., Jin, Y., Tinker, N.A., Bekele, W.A., Gale, S.W., Bockelman, H.E., Bonman, J.M. 2022. Comparative sequencing and SNP marker validation for oat stem rust resistance gene Pg6 in a diverse collection of Avena accessions. Theoretical and Applied Genetics. 135(4):1307-1318. https://doi.org/10.1007/s00122-022-04032-z.Oat crown rust resistance gene Pc96 mapped to chromosome 7DL, a region rich in other oat crown rust resistance genes-(Abstract Only)Identification of winter habit bread wheat landraces in the national small grains collection with resistance to emerging stem rust pathogen variants-(Peer Reviewed Journal) Gordon, T.C., Jin, Y., Gale, S.W., Rouse, M.N., Stoxen, S.M., Wanyera, R., Macharia, G., Randhawa, M., Bhavani, S., Brown Guedira, G.L., Marshall, D.S., Babiker, E.M., Bockelman, H.E., Bonman, J.M. 2021. Identification of winter habit bread wheat landraces in the national small grains collection with resistance to emerging stem rust pathogen variants. Plant Disease. 105(12):3998-4005. https://doi.org/10.1094/PDIS-04-21-0743-RE.Genetic characterization and genome-wide association mapping for dwarf bunt resistance in bread wheat accessions from the USDA National Small Grains Collection-(Peer Reviewed Journal) Gordon, T.C., Wang, R., Hole, D., Bockelman, H.E., Bonman, J.M., Chen, J. 2020. Genetic characterization and genome-wide association mapping for dwarf bunt resistance in bread wheat accessions from the USDA National Small Grains Collection. Journal of Theoretical and Applied Genetics. 133:1069-1080. https://doi.org/10.1007/s00122-020-03532-0.Agronomic and genetic assessment of terminal drought tolerance in two-row spring barley-(Peer Reviewed Journal) Gordon, T.C., Wang, R., Bowman, B., Klassen, N., Wheeler, J., Bonman, J.M., Bockelman, H.E., Chen, J. 2020. Agronomic and genetic assessment of terminal drought tolerance in two-row spring barley. Crop Science. 60(3):1415-1427. https://doi.org/10.1002/csc2.20040.Mapping of the stem rust resistance gene Pg13 in cultivated oat-(Peer Reviewed Journal) Kebede, A.Z., Yimer, B.A., Bekele, W., Gordon, T.C., Bonman, J.M., Babiker, E.M., Jin, Y., Gale, S.W., Wight, C.P., Tinker, N., Menzies, J., Beattie, A., Mitchell-Fetch, J., Fetch, T., Esvelt Klos, K.L., McCartney, C. 2019. Mapping of the stem rust resistance gene Pg13 in cultivated oat. Journal of Theoretical and Applied Genetics. 133:259-270. https://doi.org/10.1007/s00122-019-03455-5.Identification and assessment of two major QTL for dwarf bunt resistance in Winter Wheat Line ‘IDO835’-(Peer Reviewed Journal) Wang, R., Gordon, T.C., Hole, D., Zhao, W., Isham, K., Bonman, J.M., Goates, B., Chen, J. 2019. Identification and assessment of two major QTL for dwarf bunt resistance in Winter Wheat Line ‘IDO835’. Journal of Theoretical and Applied Genetics. 132:2755-2766. https://doi.org/10.1007/s00122-019-03385-2.Development and validation of a quantitative PCR assay method of assessing relative resistance of oat (Avena sativa) to crown rust (Puccinia coronata f. sp. avenae)-(Peer Reviewed Journal) Yimer, B.A., Gordon, T.C., Bonman, J.M., Esvelt Klos, K.L. 2019. Development and validation of a quantitative PCR assay method of assessing relative resistance of oat (Avena sativa) to crown rust (Puccinia coronata f. sp. avenae). Plant Pathology. 68:669-677. https://doi.org/10.1111/ppa.12988.New sources of adult plant and seedling resistance to Puccinia coronata f. sp. avenae identified among Avena sativa accessions of the national small grains collection-(Peer Reviewed Journal) Yimer, B., Gordon, T.C., Harrison, S., Kianian, S., Bockelman, H.E., Bonman, J.M., Esvelt Klos, K.L. 2018. New sources of adult plant and seedling resistance to Puccinia coronata f. sp. avenae identified among Avena sativa accessions of the national small grains collection. Plant Disease. https://doi.org/10.1094/PDIS-04-18-0566-RE.Genetic loci conditioning adult plant resistance to the Ug99 race group and seedling resistance to races TRTTF and TTTTF of the stem rust pathogen in wheat landrace CItr 15026-(Peer Reviewed Journal) Babiker, E.M., Gordon, T.C., Chao, S., Rouse, M.N., Jin, Y., Bhavani, S., Wanyera, R., Newcomb, M., Bonman, J.M. 2017. Genetic loci conditioning adult plant resistance to the Ug99 race group and seedling resistance to races TRTTF and TTTTF of the stem rust pathogen in wheat landrace CItr 15026. Plant Disease. 101(3):496-501.Molecular mapping of stem rust resistance loci effective against the Ug99 race group of the stem rust pathogen and identification of SNP marker linked to stem rust resistance gene Sr28-(Peer Reviewed Journal) Babiker, E.M., Gordon, T.C., Chao, S., Rouse, M.N., Acevedo, M., Wanyera, R., Brown Guedira, G.L., Bonman, J.M. 2017. Molecular mapping of stem rust resistance loci effective against the Ug99 race group of the stem rust pathogen and identification of SNP marker linked to stem rust resistance gene Sr28. Phytopathology. 107(2):208-215.Genetic mapping of resistance to the Ug99 race group of Puccinia graminis f. sp tritici in a spring wheat landrace CItr 4311-(Peer Reviewed Journal) Babiker, E.M., Gordon, T.C., Chao, S., Rouse, M.N., Brown Guedira, G.L., Pretorius, Z.A., Wanyera, R., Newcomb, M., Bonman, J.M. 2016. Genetic mapping of resistance to the Ug99 race group of Puccinia graminis f. sp tritici in a spring wheat landrace CItr 4311. Theoretical and Applied Genetics. 129(11):2161-2170.Barley stripe rust resistance QTL: Development and validation of SNP markers for resistance to Puccinia striiformis f. sp. hordei-(Peer Reviewed Journal) Esvelt Klos, K.L., Gordon, T.C., Bregitzer, P.P., Hayes, P., Chen, X., Bonman, J.M. 2016. Barley stripe rust resistance QTL: Development and validation of SNP markers for resistance to Puccinia striiformis f. sp. hordei. Phytopathology. doi: 10.1094/PHYTO-09-15-0225-R.Association mapping of North American spring wheat breeding germplasm reveals loci conferring resistance to Ug99 and other African stem rust races-(Peer Reviewed Journal) Bajgain, P., Rouse, M.N., Bulli, P., Bhavani, S., Gordon, T.C., Wanyera, R., Njau, P., Legesse, W., Anderson, J., Pumphrey, M. 2015. Association mapping of North American spring wheat breeding germplasm reveals loci conferring resistance to Ug99 and other African stem rust races. Biomed Central (BMC) Plant Biology. 15(249):1-19. doi: 10.1186/s12870-015-0628-9.Genetic diversity among wheat accessions from the USDA National Small Grains Collection-(Peer Reviewed Journal) Bonman, J.M., Babiker, E.M., Cuesta-Marcos, A., Esvelt Klos, K.L., Brown Guedira, G.L., Chao, S., See, D.R., Chen, J., Akhunov, E., Zhang, J., Bockelman, H.E., Gordon, T.C. 2015. Genetic diversity among wheat accessions from the USDA National Small Grains Collection. Crop Science. 55(3):1243-1253.Rapid identification of resistance loci effective against Puccinia graminis f. sp. tritici race TTKSK in 33 spring wheat landraces-(Peer Reviewed Journal) Babiker, E.M., Bonman, J.M., Gordon, T.C., Chao, S., Rouse, M.N., Brown Guedira, G.L., Williamson, S., Pretorius, Z.A. 2016. Rapid identification of resistance loci effective against Puccinia graminis f. sp. tritici race TTKSK in 33 spring wheat landraces. Plant Disease. 100(2):331-336.Mapping resistance to the Ug99 race group of the stem rust pathogen in a spring wheat landrace-(Peer Reviewed Journal) Babiker, E.M., Bonman, J.M., Gordon, T.C., Chao, S., Newcomb, M.S., Rouse, M.N., Jin, Y., Wanyera, R., Acevedo, M., Brown Guedira, G.L., Williamson, S. 2015. Mapping resistance to the Ug99 race group of the stem rust pathogen in a spring wheat landrace. Journal of Theoretical and Applied Genetics. 128:605-612. doi:10.1007/s00122-015-2456-6.Quantitative trait loci from two genotypes of oat (Avena sativa L.) conditioning resistance to Puccinia coronata-(Peer Reviewed Journal) Babiker, E.M., Gordon, T.C., Obert, D.E., Jackson, E.W., Harrison, S.A., Chao, S., Carson, M.L., Bonman, J.M. 2015. Quantitative trait loci from two genotypes of oat (Avena sativa L.) conditioning resistance to Puccinia coronata. Phytopathology. 105(2):239-245.  ProjectsEvaluation and Breeding of Diverse Hemp Germplasm for Disease ResistanceCooperative Agreement (A)Accession Number:445656Conservation, Characterization, Evaluation, and Utilization of Hemp Genetic Resources and Associated Descriptive InformationIn-House Appropriated (D)Accession Number:444227Evaluation and Breeding of Diverse Hemp Germplasm for Disease ResistanceInteragency Reimbursable Agreement (I)Accession Number:445216Hemp Grain Protein and Fatty Acid QuantificationNon-Assistance Cooperative Agreement (S)Accession Number:445174  ARS News ArticlesNo news articles listed for this employee.


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