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ARS Home » Pacific West Area » Corvallis, Oregon » Forage Seed and Cereal Research Unit » Research » Research Project #445259

Research Project: Development of Superior Hops and Resilient Hop Production Systems

Location: Forage Seed and Cereal Research Unit

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

Dynamic Field Assessment of Canopy Development and Periderm Maturation in Potato (Solanum tuberosum L.) Reprint Icon - (Peer Reviewed Journal)
Buckley, C.L., Gonzalez Tapia, F., Navarre, D.A., Blauer, J.M. 2025. Dynamic Field Assessment of Canopy Development and Periderm Maturation in Potato (Solanum tuberosum L.). Plants. https://doi.org/10.3390/plants14172780.

Genomic resources for Fusarium sambucinum, a causal agent of Fusarium canker of hop and dry rot of potato Reprint Icon - (Peer Reviewed Journal)
Borland, T.G., Cauldron, N.C., Grunwald, N.J., Thomas, W.J., Ocamb, C.M., Gent, D.H. 2025. Genomic resources for Fusarium sambucinum, a causal agent of Fusarium canker of hop and dry rot of potato. PhytoFrontiers. https://doi.org/10.1094/PHYTOFR-05-25-0052-A.

Development of a translation elongation factor 1-alpha (TEF) based TaqMan qPCR assay for Diaporthe humulicola, the causal agent of halo blight on hop Reprint Icon - (Peer Reviewed Journal)
Hatlen, R., Szymanski, S.L., Adair, N.L., Fan, Q., Panwar, P., Sysak, R., Miles, L.A., Higgins, D.S., Rojas, J.A., Gent, D.H., Miles, T.D. 2025. Development of a translation elongation factor 1-alpha (TEF) based TaqMan qPCR assay for Diaporthe humulicola, the causal agent of halo blight on hop. Plant Disease. https://doi.org/10.1094/PDIS-11-24-2331-SR.

Sodium chlorite treatments in irrigation water are a significant source of chlorate and perchlorate in hop cones Reprint Icon - (Peer Reviewed Journal)
Gonzalez Tapia, F., Walsh, D.B., Groenendale, D.P. 2025. Sodium chlorite treatments in irrigation water are a significant source of chlorate and perchlorate in hop cones. Journal of the American Society for Horticultural Science. 150(4):182-190. https://doi.org/10.21273/JASHS05493-25.

Fungicide selection, disease risk, and grower switching behavior Reprint Icon - (Peer Reviewed Journal)
Hwang, J., Bhattacharyya, S., Chatterjee, S., Marsh, T.L., Pedro, J.F., Gent, D.H. 2025. Fungicide selection, disease risk, and grower switching behavior. Plant Disease. https://doi.org/10.1094/PDIS-01-25-0044-RE.

The diversity and determinants of fungicide programs for hop powdery mildew Reprint Icon - (Peer Reviewed Journal)
Hwang, J., Bhattacharyya, S., Chatterjee, S., Marsh, T.L., Pedro, J.F., Gent, D.H. 2025. The diversity and determinants of fungicide programs for hop powdery mildew. Plant Disease. https://doi.org/10.1094/PDIS-01-25-0043-RE.

Effect of imidacloprid application timing on twospotted spider mite (Acari: Tetranychidae) on hop Reprint Icon - (Peer Reviewed Journal)
Woods, J.L., Richardson, B.J., Kaur, N., Dorman, S.J., Gent, D.H. 2025. Effect of imidacloprid application timing on twospotted spider mite (Acari: Tetranychidae) on hop. Journal of Economic Entomology. 118(3):1441-1445. https://doi.org/10.1093/jee/toaf079.

Predictive ability of hop (Humulus lupulus L.) grown in single hills on plot environments Reprint Icon - (Peer Reviewed Journal)
Altendorf, K.R., Heineck, G.C., Tawril, A. 2025. Predictive ability of hop (Humulus lupulus L.) grown in single hills on plot environments. Crop Science. 65(2). Article e70024. https://doi.org/10.1002/csc2.70024.

Late-season irrigation lapses impact the physiology, yield, and metabolite production of Yakima Valley hops Reprint Icon - (Peer Reviewed Journal)
Gonzalez Tapia, F. 2025. Late-season irrigation lapses impact the physiology, yield, and metabolite production of Yakima Valley hops. Journal of the American Society for Horticultural Science. 150(3):136-146. https://doi.org/10.21273/JASHS05461-24.

A modified disease risk index for hop powdery mildew Reprint Icon - (Peer Reviewed Journal)
Gent, D.H., Richardson, B.J., Massie, S.T. 2025. A modified disease risk index for hop powdery mildew. PhytoFrontiers. 5(1):30-41. https://doi.org/10.1094/PHYTOFR-10-24-0117-R.

What explains hop growers’ fungicide use intensity and management costs in response to powdery mildew? Reprint Icon - (Peer Reviewed Journal)
Hwang, J., Bhattacharyya, S., Chatterjee, S., Marsh, T.L., Pedro, J.F., Gent, D.H. 2024. What explains hop growers’ fungicide use intensity and management costs in response to powdery mildew? American Phytopathology Society. 114(10):2287-2299. https://doi.org/10.1094/PHYTO-04-24-0127-R.

Yellow dwarf virus resistance in barley: Phenotyping, remote imagery, and virus-vector characterization Reprint Icon - (Peer Reviewed Journal)
Massman, C., Rivedal, H.M., Dorman, S.J., Tanner, K.C., Frederickson, C., Temple, T.N., Fisk, S., Helgerson, L., Hayes, P. 2024. Yellow dwarf virus resistance in barley: Phenotyping, remote imagery, and virus-vector characterization. Phytopathology. 114(9):2084-2095. https://doi.org/10.1094/PHYTO-10-23-0394-KC.

Identifying highly connected sites for risk-based surveillance and control of cucurbit downy mildew in the eastern United States Reprint Icon - (Peer Reviewed Journal)
Ojwang, A.M., Lloyd, A.L., Bhattacharyya, S., Chatterjee, S., Gent, D.H., Ojiambo, P.S. 2024. Identifying highly connected sites for risk-based surveillance and control of cucurbit downy mildew in the eastern United States. PeerJ. https://doi.org/10.7717/peerj.17649.

Detection of Podosphaera macularis in air samples by quantitative PCR Reprint Icon - (Peer Reviewed Journal)
Gent, D.H., Adair, N.L., Hatlen, R., Miles, T.D., Richardson, B.J., Rivedal, H.M., Ross, C., Wiseman, M.S. 2024. Detection of Podosphaera macularis in air samples by quantitative PCR. Plant Disease. https://doi.org/10.1094/PDIS-04-24-0894-RE.

Free-riding in plant health: A social-ecological systems approach to collective action Reprint Icon - (Peer Reviewed Journal)
Garcia-Figuera, S., Lowder, S.R., Lubell, M.N., Mahaffee, W.F., McRoberts, N., Gent, D.H. 2024. Free-riding in plant health: A social-ecological systems approach to collective action. Annual Review of Phytopathology. 62:4.1-4.28. https://doi.org/10.1146/annurev-phyto-121423-041950.

Suppression of hop downy mildew as influenced by the timing of selected fungicides Reprint Icon - (Peer Reviewed Journal)
Richardson, B.J., Gent, D.H. 2024. Suppression of hop downy mildew as influenced by the timing of selected fungicides. Plant Health Progress. https://doi.org/10.1094/PHP-10-23-0086-BR.