Eric Westra

Publications | Abstracts

• Oliveira, F.S, Ransom, C., Westra, E., Ortiz, M., (2026). Sediment Composition Around Bear Lake and its Relationship to Milfoil Establishment. WSSA *
• Beckley, C., Ortiz, M., Westra, E., Ransom, C., (2025). Evaluating Herbicides for Managing Invasive Annual Grass Infestation in Nevada's Mojave Desert. WSWS *
• Oliveira, F.S, Lawrence, T., Westra, E., Ortiz, M., (2025). Parrotfeather (Myriophyllum aquaticum) Biology and Management Options in Utah. WSWS *
• Adeyemi, O.E, Westra, E., Ransom, C., Kaundal, A., Creech, J.E, Ortiz, M., (2025). Physiological Mechanisms of Glyphosate Resistance in Kochia (Bassia scoparia): Absorption and Translocation. CANVAS *
• Westra, E., Ortiz, M., (2025). Residual Weed Control in Utah Tart Cherries. WSSA *
• Adeyemi, O.E, Westra, E., Ransom, C., Creech, J.E, Ortiz, M., (2025). Status of Kochia (Bassia scoparia) Herbicide Resistance in Utah. WSWS *
• Adeyemi, O.E, Westra, E., Ransom, C., Creech, J.E, Ortiz, M., (2025). Survey Reveals Frequency of Kochia (Bassia scoparia) Resistance to Multiple Herbicide Modes of Action. CANVAS *
• Lawrence, T., Adeyemi, O., Oliveira, F.S, Westra, E., Ortiz, M., (2025). Understanding Challenges to Eurasian Watermilfoil (Myriophyllum Spicatum) Control in Bear Lake. WSWS *
• McDonald, M., Hettinger, E., Ortiz, M., Westra, E., Monaco, T., Ransom, C., (2025). Where Does the Woad End?: Population Dynamics During Dyer’s Woad (Isatis tinctoria) Management. WSWS *
• Carnahan, M.S, Ortiz, M., Ransom, C., Westra, E., Yost, M., Creech, J.E, (2024). Early and Late Season Weed Control in Dormant Alfalfa. CANVAS *
• Carnahan, M.S, Creech, J.E, Ortiz, M., Ransom, C., Westra, E., Yost, M., (2024). Glyphosate Hebicide Injury in Roundup Ready Alfalfa. CANVAS *
• Adeyemi, O.E, Westra, E., Ransom, C.V, Ortiz, M.F, (2024). Investigating Herbicide Efficacy and Behavior for Controlling Eurasian Watermilfoil in Bear Lake. APMS *
• Beckley, C.J, Fronk, N., Ortiz, M., Westra, E., Ransom, C., (2024). Elongated Mustard Management Update in Utah. WSWS *
• Mathews, M., Maughn, W., Ortiz, M., Westra, E., Ransom, C., (2024). Factors Influencing Plant Response to Indaziflam. WSWS *
• Maughan, W.P, Buell, H.L, Ortiz, M.F, Westra, E.P, Monaco, T., Ransom, C.V, (2024). Long-Term Effects of Indaziflam Applications on a Healthy, Diverse Landscape in Northern Utah. WSWS *
• McDonald, M.J, Hettinger, E., Ortiz, M., Westra, E., Monaco, T., Ransom, C., (2024). Seedbank Suppression is Critical for Long-Term Dyers Woad Control: It's a Long Woad. WSWS *
• Adeyemi, O.E, Munaro, F., Salmazo, P.V, Silva, P.V, Westra, E.P, Ortiz, M.F, (2024). The Influence of Rainfall on S-metolachlor Activity Applied to Wheat Residue. WSWS *

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Journal Articles

Academic Journal

• Adeyemi, O.E, Lawrence, T.M, Oliveira, F.S, Westra, E.P, Ransom, C.V, Ortiz, M.F, (2025). Florpyrauxifen-benzyl and 2,4-D amine behavior and efficacy for controlling Eurasian watermilfoil (Myriophyllum spicatum) in Bear Lake. Journal of Aquatic Plant Management, 64:1
• Munaro, F.C, Silva, P.V, Borges, R., Medeiros, E.S, Schedenffeldt, B.F, Monquero, P.A, Ortiz, M., Westra, E., Salmazo, P., Mauad, M., Dias, R.C, (2025). Combination of Pre-emergence Herbicides for Weed Control in Soybean. International Journal of Agriculture & Biology, 34, 340211. doi: https://doi.org/10.17957/IJAB/15.2359
• Gupta, S., Effertz, A., Moran, S., Lemas, J., Westra, E., Westra, P., Gaines, T., Dayan, F., (2025). Inheritance of glyphosate resistance and cross-pollination rates under field conditions in kochia (Bassia scoparia). Weed Science, 73:1, doi: https://doi.org/10.1017/wsc.2025.10049
• Adeyemi, O.E, Westra, E.P, Ransom, C.V, Creech, J.E, Ortiz, M.F, (2025). Status of kochia (Bassia scoparia) herbicide resistance in the Western US. Outlooks on Pest Management, 36:2, 55-58.
• Westra, E., (2024). Baseline survey reveals glyphosate and dicamba resistance in broadleaf weeds before sugar beet trait introduction. Cambridge University Press, 38:e87, doi: https://doi.org/10.1017/wet.2024.77
• Todd, O.E, Patterson, E.L, Westra, E.P, Nissen, S.J, Lucas Simoes Araujo, A., Kramer, W.B, Dayan, F.E, Gaines, T.A, (2024). Enhanced metabolic detoxification is associated with fluroxypyr resistance in Bassia scoparia.. Plant Direct, 8:1, 1-25. doi: https://doi.org/10.1002/pld3.560
• Soni, N., Westra, E.P, Allegretta, G., Lucas Simoes Araujo, A., de Pinho, C., Moran, S., Lerchl, J., Dayab, F., Westra, P., Gaines, T., (2022). Survey of ACCase and ALS resistance in winter annual grasses identifies target‐site and nontarget‐site imazamox resistance in Secale cereale.. Pest Management Sciences, 78:12, doi: https://doi.org/10.1002/ps.7154
• Hilderbrandt, C., Hailey, S., Shelton, C., Westra, E.P, Westra, P., Gaines, T., (2022). Winter annual grass control and crop safety in quizalofop‐resistant wheat cultivars.. Agronomy Journal, 114:2, doi: 10.1002/agj2.20998
• Ravet, K., Sparks, C., Dixon, A., Kupper, A., Westra, E.P, Pettinga, D., Tranel, P., Felix, J., Morishita, D., Kniss, A., Stahlman, P., Neve, P., Patterson, E., Westra, P., Gaines, T., (2021). Genomic‐based epidemiology reveals independent origins and gene flow of glyphosate resistance in Bassia scoparia populations across North America.. Molecular Ecology, 30:21
• Bough, R., Westra, P., Gaines, T., Westra, E.P, Haley, S., Erker, B., Shelton, C., Reinheimer, J., Dayan, F., (2021). The Coaxium® wheat production system: A new herbicide-resistant system for annual grass weed control and integrated weed management.. Outlooks on Pest Management Science, 4, 151-157.
• Kumar, V., Liu, R., Manuchehri, M., Westra, E.P, Gaines, T., Shelton, C., (2020). Feral rye control in quizalofop‐resistant wheat in central Great Plains.. Agronomy Journal, 113:1, 407-418.
• Westra, E.P, Nissen, S., Getts, T., Westra, P., Gaines, T., (2019). Survey reveals frequency of multiple resistance to glyphosate and dicamba in kochia (Bassia scoparia).. Weed Technology, 33:5, 664-672. doi: https://doi.org/10.1017/wet.2019.54
• Gaines, T., Barker, A., Patterson, E., Westra, P., Westra, E.P, Wilson, R., Kumar, V., Kniss, A., (2016). EPSPS gene copy number and whole-plant glyphosate resistance level in Kochia scoparia.. PLoS One, 11:12
• Kumar, V., Jha, P., Giacomini, D., Westra, E.P, Westra, P., (2015). Molecular basis of evolved resistance to glyphosate and acetolactate synthase-inhibitor herbicides in kochia (Kochia scoparia) accessions from Montana.. Weed Science, 63:4, 758-769. doi: https://doi.org/10.1614/WS-D-15-00021.1
• Westra, E.P, Shaner, D., Barbarick, K., Khosla, R., (2015). Evaluation of sorption coefficients for pyroxasulfone, S-metolachlor, and dimethenamid-p.. Air, Soil and Water Research, 8
• Westra, E.P, Shaner, D., Westra, P., Chapman, P., (2014). Dissipation and leaching of pyroxasulfone and S-metolachlor.. Weed Technology, 28:1, 72-81. doi: https://doi.org/10.1614/WT-D-13-00047.1

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Other

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.