Travis Parker

UC Davis, One Shields Ave, Davis CA 95616

PEER-REVIEWED PUBLICATIONS

  • Parker, T. A., Celebioglu, B., Watson, M., & Gepts, P. (2025). Drone methods and educational resources for plant science and agriculture. Frontiers in Plant Science. Accepted.
  • Buckley, T., Magney, T., Mills, C., Palkovic, A., Parker, T. A., Wadhwani, Y., Wong, C., Gepts, P. and Gilbert, M. (2025). Diversity in stomatal and hydraulic responses to terminal drought in common bean (Phaseolus vulgaris) and tepary bean (P. acutifolius). Plant, Cell & Environment. doi: 10.1111/pce.15106
  • Hamabwe, S.M., Otieno, N., Odhiambo, J., Parker, T. A., Kamfwa, K. (2024). Agronomic and Morpho-Physiological Response of Andean Genotypes of Common Bean to Terminal Drought. Crop Science. 64, 3521-3532.
  • Parker, T. A., Bolt, T., Williams, T., Penmetsa, R.V., Mulube, M., Celebioglu, B., Palkovic, A., Jochua, C.N., Rubio Wilhelmi, M.D.M., Lo, S., Bornhorst, G. and Tian, L., Kamfwa, K., Farmer, A., Diepenbrock, C., Gepts, P. (2024). Seed color patterns in domesticated common bean are regulated by MYB-bHLH-WD40 transcription factors and temperature. The Plant Journal. 119(6), 2765-2781. doi: 10.1111/tpj.16947
  • Njau, S. N.*, Parker, T. A.*, Duitama, J., Gepts, P., & Arunga, E. E. (2024). QTL mapping for pod quality and yield traits in snap bean (Phaseolus vulgaris L.). Frontiers in Plant Science, 15, 1422957. *Co-first author.
  • Canales Holzeis, C., Gepts, P., Koebner, R., Mathur, P.N., Morgan, S., Muñoz-Amatriaín, M., Parker, T.A., Southern, E.M. and Timko, M.P. (2024). The Kirkhouse Trust: Successes and Challenges in Twenty Years of Supporting Independent, Contemporary Grain Legume Breeding Projects in India and African Countries. Plants, 13(13), p.1818.
  • Sansala, M., Kuwabo, K., Hamabwe, S., Kachapulula, P., Parker, T., Mukuma, C., and Kamfwa, K. (2024). Race Structure and Molecular Diversity of Colletotrichum lindemuthianum of Common Bean in Zambia. Plant Disease. 108(4), 857-865
  • Parker, T. A., Leach, K., Stoddard, C. S., Roser, L., Palkovic, A., Williams, T., Lo, S., Gepts, P., LaBonte, D., Chung, G. Y., Brummer, E. C. (2023). Opportunities to breed diverse sweetpotato varieties for California organic production. Agriculture, 13(12), 2191.
  • Hamabwe, S.M., Otieno, N., Soler-Garzón, A., Miklas, P., Parker, T., Kramer, D.M., Chattopadhyay, A., Cheelo, P. and Kuwabo, K., Kamfwa, K. (2023). Identification of Quantitative Trait Loci for Drought Tolerance in Bukoba/Kijivu Andean Mapping Population of Common Bean. Theoretical and Applied Genetics. 136(11), 222.
  • Kuwabo, K., Hamabwe, S. M., Kachapulula, P., Cichy, K., Parker, T., Mukuma, C., & Kamfwa, K. (2023). Genome-wide association analysis of anthracnose resistance in the Yellow Bean Collection of Common Bean. Plos one, 18(11), e0293291.
    Smýkal, P., and Parker, T. (2023). Domestication-related changes in seed dispersal and pigmentation: Visual selection and functional trait? Molecular Plant, 16(8), 1240-1242.
  • Wong, C.Y.S., Gilbert, M.E., Pierce, M.A., Parker, T.A., Palkovic, A., Gepts, P, Magney, T.S., Buckley, T.N. (2023). Hyperspectral remote sensing for phenotyping physiological drought response of common & tepary bean. Plant Phenomics. (5)0021.
  • Parker, T. A., Cetz, J., de Sousa, L. L., Kuzay, S., Lo, S., Floriani T. O, Njau, S., Arunga, E., Duitama, J., Jernstedt, J., Myers, J. R., Llaca, V., Herrera-Estrella, A., Gepts, P. (2022). Loss of pod strings in common bean is associated with gene duplication, retrotransposon insertion, and overexpression of PvIND. New Phytologist. 235(6). 2454-2465.
  • Lo, S., Parker, T. A., Munoz-Amatriain, M., Berny-Mier y Teran, J. C. Jernstedt, J., Close, T. J., & Gepts, P. (2021). “Genetic, anatomical, and environmental patterns related to pod shattering resistance in domesticated cowpea (Vigna unguiculata [L.] Walp).” Journal of Experimental Bota¬¬¬ny. 72(18), 6219-6229.
  • Parker, T. A., Lo, S., & Gepts, P. (2021). Pod Shattering in Grain Legumes: Emerging Genetic and Environment-Related Patterns. The Plant Cell. (33)2. 179-199.
  • Parker, T. A., Palkovic, A., Brummer, E.C., & Gepts, P. (2021). “Registration of ‘UC Southwest Gold’ gold and white mottled bean.” Journal of Plant Registrations, 15(1), 48-52.
  • Parker, T. A., Palkovic, A., Brummer, E.C., & Gepts, P. (2021). “Registration of ‘UC Southwest Red’ heirloom-like red and white mottled bean.” Journal of Plant Registrations, 15(1), 21-27.
  • Parker, T. A., Palkovic, A., Brummer, E. C., & Gepts, P. (2021). “Registration of ‘UC Sunrise’ heirloom‐like orange and white mottled bean. Journal of Plant Registrations, 15(1), 43-47.
  • Parker, T. A., Palkovic, A., Brummer, E.C., & Gepts, P. (2021). “Registration of ‘UC Rio Zape’ heirloom-like dry bean.” Journal of Plant Registrations, 15(1), 37-42
  • Parker, T. A., Palkovic, A., Brummer, E.C., & Gepts, P. (2021). “Registration of ‘UC Tiger’s Eye’ heirloom-like dry bean.” Journal of Plant Registrations, 15(1), 16-20.
  • Parker, T. A., de Sousa, L.L., Floriani T. O. Palkovic, A., & Gepts, P. (2020). “Toward the introgression of PvPdh1 for increased resistance to pod shattering in common bean.” Theoretical and Applied Genetics, 134(1), 313-325
  • Parker, T. A., Palkovic, A., & Gepts, P. (2020). “Determining the genetic control of common bean early-growth rate using unmanned aerial vehicles.” Remote Sensing, 12(11), 1748.
  • Parker, T. A., Berny Mier y Teran, J. C., Palkovic, A., Jernstedt, J., & Gepts, P. (2020). “Pod indehi-scence is a domestication and aridity resilience trait in common bean.” New Phytologist. 225(1), 558-570.

BOOK CHAPTERS

  • Mwale, S. E., Parker, T.A. (2025). Tepary Bean, Phaseolus acutifolius (A. Gray). Monograph commissioned by the Kirkhouse Trust SCIO, Scottish Charity No. 047432, United Kingdom.
  • Parker, T. A., Acosta Gallegos, J., Beaver, J., Brick, M., Brown, J. K., Cichy, K., Debouck, D., Delgado-Salinas, A., Dohle, S., Ernest, E., Estevez de Jensen, C., Gomez, F., Hellier, B., Karasev, A. V., Kelly, J. D., McClean, P., Miklas, P., Myers, J. R., Osorno, J., Pasche, J. S., Porch, T., Steadman, J. R., Urrea, C., Wallace, L., Diepenbrock, C., Gepts, P. (2023). Genetic Resources and Breeding Priorities in Phaseolus Beans: Vulnerability, Resilience, and Future Challenges. In: Plant Breeding Reviews, 46, 289. Irwin Goldman, editor.
  • Parker, T. A., & Gepts, P. (2021). Population genomics of Phaseolus spp.: A domestication hotspot. In Population Genomics. Om Rajora, editor.
  • Parker, T. A. (2021). “Plant and Animal Breeding: A Keystone for Success in Organic Agriculture.” Organic Food and Farming: A Reference Handbook, edited by Shauna McIntyre, ABC-CLIO.

TECHNICAL REPORTS AND PREPRINTS

  • Celebioglu, B., Roy, J., Farmer, A., English, S., Yu, X., Xu, X., McClean, P.E., Gepts, P. and Parker, T. (2025). A domestication change at PvMYB26 in common bean sheds light on the origins of Middle American agriculture. bioRxiv, 2025-05. doi: https://doi.org/10.1101/2025.05.15.65438
  • Parker, T. A., Celebioglu, B., Watson, M., & Gepts, P. (2025). Drone methods and educational resources for plant science and agriculture. bioRxiv, 2025-05. doi: https://doi.org/10.1101/2025.05.19.654604
  • Parker, T., Williams, T., Reeske, M., Lo, S., Palkovic, A., Gepts, P. (2024). Tepary bean (Phaseolus acutifolius) out-yields common bean (P. vulgaris) in semi-arid organic conditions. Annual Report of the Bean Improvement Cooperative. 67, 77-78.
  • Parker, T. A., Arkwazee, H., Celebioglu, B., Gepts, P, and Myers, J. (2024). Loci mapped to Pv04 and Pv01 are required for round pod shape in snap bean (Phaseolus vulgaris). Annual Report of the Bean Improvement Cooperative. 67, 141-142.
    Arkwazee, H., Parker, T. A., Gepts, P, and Myers, J. (2022). Pod strings map to region flanking PvIND on Pv02 in common. Annual Report of the Bean Improvement Cooperative. (65), 91-92.
  • Parker, T. A., Farmer, A., Cannon, S., & Gepts, P. (2021). A proposal for community-led deposition and curation of Phaseolus data at the Legume Information System. Annual Report of the Bean Improvement Cooperative. Vol. 64.
  • Acosta Gallegos, J., Beaver, J., Brick, M., Brown, J. K., Cichy, K., Debouck, D., Delgado-Salinas, A., Estevez de Jensen, C., Gepts, P., Hellier, B., Karasev, A. V., Kelly, J. D., McClean, P., Miklas, P., Myers, J. R., Osorno, J., Pasche, J. S., Parker, T. A., Porch, T., Steadman, J. R., Urrea, C., Wallace, L. (2020). Crop vulnerabilities and opportunities for genetic improvement in Phaseolus. Report of the USDA Agricultural Research Service. 1-69.
  • Parker, T. A., Berny Mier y Teran, J. C., Palkovic, A., Jernstedt, J., & Gepts, P. (2019). “Variation in pod shattering between market classes of common bean.” Annual Report of the Bean Improvement Cooperative. (62).
  • Parker, T. A. (2018). “Developing High Value Varieties of Bean for Organic Agriculture.” Organic Farmer, 1(3).
    Palkovic A, Parker T. A., Gepts P. (2015). “Heirloom bean observational nurseries and yield trials.” Annual Report of the Bean Improvement Cooperative. (58).
  • Parker T. A., Palkovic A, Gepts P. (2015) “Improving disease resistance and growth habit in heirloom beans.” Annual Report of the Bean Improvement Cooperative. (58).