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                    U.S. DEPARTMENT OF AGRICULTURE
 Livestock, Forage and Pasture Management Research Unit: El Reno, OK
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ARS Home Plains Area El Reno, Oklahoma Oklahoma and Central Plains Agricultural Research Center Livestock, Forage and Pasture Management Research Unit People & Locations







Travis W Witt
                        Livestock, Forage and Pasture Management Research Unit

                        




                        
                        Research Agronomist
                        Phone: (405) 262-5291
                        
                        
                        Fax: (405) 262-0133(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsIntegrated Research to Enhance Forage and Food Production from Southern Great Plains Agroecosystems
                                                    In-House Appropriated
                                                                    (D)Accession Number: 445628Fertilize Right Initiative Research Projects
                                                    Interagency Reimbursable Agreement
                                                                    (I)Accession Number: 445953Organomineral Fertilizers: A Sustainable Fertility Option for Farmers?
                                                    Non-Funded Cooperative Agreement
                                                                    (N)Accession Number: 441558**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Irrigation response, water use, and lint yield of upland cotton cultivars
                                                        

- (Peer Reviewed Journal)Schwartz, R.C., Witt, T.W., Ulloa, M., Colaizzi, P.D., Baumhardt, R.L. 2024. Irrigation response, water use, and lint yield of upland cotton cultivars. Journal of the ASABE. 67(2):421-437. https://doi.org/10.13031/ja.15868.A site suitability analysis for castor (Ricinus communis L.) production during Brazil’s second harvest incorporating disease prediction
                                                        

- (Peer Reviewed Journal)Witt, T.W., Flynn, K.C., Zoz, T., Monteiro, J. 2023. A site suitability analysis for castor (Ricinus communis L.) production during Brazil’s second harvest incorporating disease prediction. Heliyon. 9(8). Article e18981. https://doi.org/10.1016/j.heliyon.2023.e18981.Effect of cutting management on the forage production and quality of tepary bean (Phaseolus acutifolius A. Gray)
                                                        

- (Peer Reviewed Journal)Witt, T.W., Northup, B.K., Porch, T.G., Barrera, S., Urrea, C.A. 2023. Effect of cutting management on the forage production and quality of tepary bean (Phaseolus acutifolius A. Gray). Euphytica. 13. Article 12875. https://doi.org/10.1038/s41598-023-39550-3.Forage accumulation and nutritive value of four peanut
(Arachis hypogaea L.) market types in the US Southern
Great Plains
                                                        

- (Peer Reviewed Journal)Witt, T.W., Northup, B.K., Ojha, M., Puppala, N. 2023. Forage accumulation and nutritive value of four peanut (Arachis hypogaea L.) market types in the US Southern Great Plains. Legume Science. https://doi.org/10.1002/leg3.198.Registration of 17 upland cotton germplasm lines with improved resistance to Fusarium wilt race 4 and good fiber quality
                                                        

- (Germplasm Registration)Ulloa, M., Hutmacher, R.B., Zhang, J., Schramm, T., Roberts, P.A., Ellis, M.L., Dever, J.K., Wheeler, T.A., Witt, T.W., Sanogo, S., Hague, S., Keely, M.P., Arce, J., Angeles, J., Hake, K., Payton, P.R. 2022. Registration of 17 upland cotton germplasm lines with improved resistance to Fusarium wilt race 4 and good fiber quality. Journal of Plant Registrations. 1-12. https://doi.org/10.1002/plr2.20258.Flood tolerance and flood loss predictions for tepary bean (Phaseolus acutifolius A. Gray) across the United States Southern Great Plains
                                                        

- (Peer Reviewed Journal)Witt, T.W., Flynn, K.C., Villavicencio, C., Northup, B.K. 2022. Flood tolerance and flood loss predictions for tepary bean (Phaseolus acutifolius A. Gray) across the United States Southern Great Plains. Agronomy Journal. 1-11. https://doi.org/10.1002/agj2.21084.Response of maize hybrids under limited irrigation capacities: yield and yield components
                                                        

- (Peer Reviewed Journal)Schwartz, R.C., Bell, J., Baumhardt, R.L., Colaizzi, P.D., Hiltbrunner, B.A., Witt, T.W., Brauer, D.K. 2022. Response of maize hybrids under limited irrigation capacities: yield and yield components. Agronomy Journal. 114:1338-1352. https://doi.org/10.1002/agj2.21013.Grasspea (Lathyrus sativus L.) as a green N source reduces the effects of 2,4 D in susceptile Cotton (Gossypium hirsutum L.) cultivars
                                                        

- (Peer Reviewed Journal)Witt, T.W., Northup, B.K., Neel, J.P. 2021. Grasspea (Lathyrus sativus L.) as a green N source reduces the effects of 2,4 D in susceptile Cotton (Gossypium hirsutum L.) cultivars. Crops. 12:1023-1035. https://doi.org/10.4236/ajps.2021.127070.Impact of bioinoculant (StimulateTM) on the water and nitrogen uptake, yield, quality, and rhizobiome in a wheat-cotton rotation

- (Proceedings)Resistance of cotton genotypes to silverleaf whitefly (Bemisia tabaci [gennadius] biotype B)
                                                        

- (Peer Reviewed Journal)Da Silva Oliveira, C.E., Hoffmann, L.V., Toscano, L.C., Steiner, F., Zoz, T., Witt, T.W. 2020. Resistance of cotton genotypes to silverleaf whitefly (Bemisia tabaci [gennadius] biotype B). International Journal of Tropical Insect Science. https://doi.org/10.1007/s42690-020-00373-8.Growth of dwarf castor hybrids at different soil bulk densities
                                                        

- (Peer Reviewed Journal)Zoz, T., Da Silva Oliveira, C.E., De Castro Seron, C., Zanotto, M.D., Bono, J.M., Aguiar, E.B., Witt, T.W. 2020. Growth of dwarf castor hybrids at different soil bulk densities. Industrial Crops and Products. 159. Article 113069. https://doi.org/10.1016/j.indcrop.2020.113069.Site suitability analysis incorporating disease prediction in castor (Ricinus communis L.) production
                                                        

- (Peer Reviewed Journal)Witt, T.W., Flynn, K.C., Zoz, T., Monteiro, E.B. 2020. Site suitability analysis incorporating disease prediction in castor (Ricinus communis L.) production. Springer Nature Applied Sciences. 2:1820. https://doi.org/10.1007/s42452-020-03602-4.Does azospirillum brasilense and biostimulant improve the initial growth of rice sown at greater depths?
                                                        

- (Peer Reviewed Journal)Oliveira, C.E.d.S., Zoz, T., Vendruscolo, E.P., Andrade, A.d.F., Seron, C.d.C., Witt, T.W. 2020. Does azospirillum brasilense and biostimulant improve the initial growth of rice sown at greater depths?. Journal of Crop Science and Biotechnology. https://doi.org/10.1007/s12892-020-00055-4.Response to deficit irrigation of morphological, yield and fiber quality traits of upland (Gossypium hirsutum L.) and Pima (G. barbadense L.) cotton in the Texas High Plains
                                                        

- (Peer Reviewed Journal)Witt, T.W., Ulloa, M., Schwartz, R.C., Ritchie, G.L. 2020. Response to deficit irrigation of morphological, yield and fiber quality traits of upland (Gossypium hirsutum L.) and Pima (G. barbadense L.) cotton in the Texas High Plains. Field Crops Research. 249:107759. https://doi.org/10.1016/j.fcr.2020.107759.Water use, yield and fiber quality response of six upland cotton cultivars to irrigation

- (Proceedings)Schwartz, R.C., Witt, T.W., Ulloa, M., Colaizzi, P.D., Baumhardt, R.L. 2020. Water use, yield and fiber quality response of six upland cotton cultivars to irrigation. In: Proceedings of National Cotton Council 2020 Beltwide Cotton Conference. 2020 Beltwide Cotton Conferences, January 8-10, 2020, Austin, Texas. Paper No. 19524.Water use, yield and fiber quality response of six upland cotton cultivars to irrigation

- (Abstract Only)Schwartz, R.C., Witt, T.W., Ulloa, M., Colaizzi, P.D., Baumhardt, R.L. 2020. Water use, yield and fiber quality response of six upland cotton cultivars to irrigation [abstract]. Cotton Agronomy, Physiology, and Soil Conference, Beltwide Cotton Conference, January 8-10, 2020, Austin, Texas. Paper No. 6.Determining water use of cotton (Gossypium spp.) for areas with declining levels of irrigation water

- (Proceedings)Witt, T.W., Ulloa, M., Schwartz, R.C. 2019. Determining water use of cotton (Gossypium spp.) for areas with declining levels of irrigation water [abstract]. ASA-CSSA-SSSA Proceedings. Available at: https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/121971.Irrigation’s effect and applied selection on the fiber quality of ethyl methanesulfonate (EMS) treated upland cotton (Gossypium hirsutum L.)
                                                        

- (Peer Reviewed Journal)Witt, T.W., Ulloa, M., Pelletier, M.G., Mendu, V., Ritchie, G.L. 2018. Irrigation’s effect and applied selection on the fiber quality of ethyl methanesulfonate (EMS) treated upland cotton (Gossypium hirsutum L.). Journal of Cotton Research. 1:17. https://doi.org/10.1186/s42397-018-0016-8.Exploring ethyl methane Sulfonate(EMS) treated cotton (Gossypium hirsutum L.) to improve drought tolerance

- (Peer Reviewed Journal)Witt, T.W., Ulloa, M., Pelletier, M.G., Mendu, V., Ritchie, G.L. 2018. Exploring ethyl methaneSulfonate (EMS) treated cotton (Gossypium hirsutum L.) to improve drought tolerance. Euphytica. 214:123.Comparison of hydrocarbon yields in four cotton accessions: regular vs. limited (induced dryland) irrigation

- (Peer Reviewed Journal)Adams, R.P., Ulloa, M., Witt, T.W., Burke, J.J. 2018. Comparison of hydrocarbon yields in four cotton accessions: regular vs. limited (induced dryland) irrigation. Phytologia. 100(1):6-11.Comparison of hydrocarbon yields in cotton from field grown vs. greenhouse grown plants

- (Peer Reviewed Journal)Adams, R.P., TeBeest, A.K., Ulloa, M., Witt, T.W., Burke, J.J., Frelichowski, J.E., Hinze, L.L. 2017. Comparison of hydrocarbon yields in cotton from field grown vs. greenhouse grown plants. Phytologia. 99(3):200-207.
                    ARS News Articles
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                                                A New Option for Texas: Pima Cotton


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