U.S. flagAn official website of the United States government
                    Here's how you know **Official websites use .gov**
                            
                            A **.gov** website belongs to an official government organization in the United States.
 **Secure .gov websites use HTTPS**
                            
                            A **lock** (                            
                              A locked padlock                                                      
                            
                            ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


Menu Agricultural Research Service
						
                    U.S. DEPARTMENT OF AGRICULTURE
 Forage Seed and Cereal Research Unit: Corvallis, OR
 close



    Research

                    Research Projects
                                    Publications
                                    Collaborations
                                    News
                                    Software
                People

                    Staff Listing
                                    CareersSearch small
                    Search
            
            ARS Home
                                About ARS
                                Contact Us




ARS Home Pacific West Area Corvallis, Oregon Forage Seed and Cereal Research Unit People & Locations







Hannah  Rivedal

                                                                (PhD)
                        Forage Seed and Cereal Research Unit

                        




                        
                        Research Plant Pathologist
                        Phone: (541) 738-4144
                        
                        
                        Fax: (Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsDeveloping Decision Support Tools to Incorporate Hemp into Existing Farming Enterprises
                                                    In-House Appropriated
                                                                    (D)Accession Number: 438146Optimizing and Stabilizing Economic and Ecological Sustainability of Pacific Northwest Seed Cropping Systems Under Current and Future Climate Conditions
                                                    In-House Appropriated
                                                                    (D)Accession Number: 445390Determining the Predominant Industrial Hemp Diseases to Assist Breeding and Management Efforts
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 440965Understanding Pacific Northwest Turfgrass Plant Parasitic Nematode Communities to Improve Management Efficiency
                                                    Trust Fund Cooperative Agreement
                                                                    (T)Accession Number: 443397**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Characterization of powdery mildew fungi affecting hemp in the Pacific Northwest

- (Peer Reviewed Journal)Seed gall nematodes in grasses grown for seed: Survey and identification methods
                                                        

- (Abstract Only)Rivedal, H.M., Zasada, I.A. 2023. Seed gall nematodes in grasses grown for seed: Survey and identification methods. Grow:  Plant Health Exchange. https://doi.org/10.1094/GROW-REG-07-23-001.Diagnostic guide: Fusarium head blight of cereal grains
                                                        

- (Peer Reviewed Journal)Hagerty, C.H., Namdar, G.F., Rivedal, H.M., Wen, N., Yin, C. 2023. Diagnostic guide: Fusarium head blight of cereal grains. Plant Health Progress. 24(2):252-257. https://doi.org/10.1094/PHP-10-22-0110-DG.First report of the root-lesion nematode, Pratylenchus penetrans, parasitizing hemp (Cannabis sativa) in Washington
                                                        

- (Peer Reviewed Journal)Zasada, I.A., Nunez-Rodriguez, L., Rivedal, H.M., Peetz, A.B., Ocamb, C. 2023. First report of the root-lesion nematode, Pratylenchus penetrans, parasitizing hemp (Cannabis sativa) in Washington. Plant Health Progress. https://doi.org/10.1094/PHP-12-22-0122-BR.Comparing methods to quantify cover in turfgrass research
                                                        

- (Peer Reviewed Journal)Kowalewski, A.R., Schmid, C.J., Braithwaite, E.T., McNally, B.C., Elmore, M.T., Mattox, C.M., McDonald, B.W., Wang, R., Lambrinos, J.G., Fitzpatrick, G., Rivedal, H.M. 2023. Comparing methods to quantify cover in turfgrass research. Crop Science. 63:1581-1591. https://doi.org/10.1002/csc2.20908.A quantitative PCR assay for detection and quantification of Fusarium sambucinum
                                                        

- (Peer Reviewed Journal)Thomas, W.J., Borland, T.G., Bergl, D.D., Claassen, B.J., Flodquist, T.A., Montgomery, A.S., Rivedal, H.M., Woodhall, J., Ocamb, C.M., Gent, D.H. 2022. A quantitative PCR assay for detection and quantification of Fusarium sambucinum. Plant Disease. 106:2601-2606. https://doi.org/10.1094/PDIS-02-22-0269-RE.Horizontal transmission and expression of Epichloë typhina in orchardgrass (Dactylis glomerata)
                                                        

- (Peer Reviewed Journal)Merlet, L., Dombrowski, J.E., Bushman, B.S., Gilmore, B.S., Rivedal, H.M., Martin, R.C. 2022. Horizontal transmission and expression of Epichloë typhina in orchardgrass (Dactylis glomerata). European Journal of Plant Pathology. 163:415–428. https://doi.org/10.1007/s10658-022-02485-y.An overview of pathogens associated with biotic stresses in hemp crops in Oregon, 2019-2020
                                                        

- (Peer Reviewed Journal)Rivedal, H.M., Funke, C.N., Frost, K.E. 2022. An overview of pathogens associated with biotic stresses in hemp crops in Oregon, 2019-2020. Plant Disease. 106(5):1334-1340. https://doi.org/10.1094/PDIS-11-21-2415-SR.First report of Pectobacterium versatile causing potato soft rot in Oregon and Washington
                                                        

- (Peer Reviewed Journal)Ma, X., Brazil, J., Rivedal, H.M., Perry, K.L., Frost, K., Swingle, B.M. 2022. First report of Pectobacterium versatile causing potato soft rot in Oregon and Washington. Plant Disease. https://apsjournals.apsnet.org/doi/epdf/10.1094/PDIS-08-21-1635-PDN.Diversity and pathogenicity of Pectobacterium species responsible for causing soft rot and blackleg of potato in the Columbia Basin
                                                        

- (Peer Reviewed Journal)Rivedal, H.M., Brazil, J.A., Frost, K.E. 2021. Diversity and pathogenicity of Pectobacterium species responsible for causing soft rot and blackleg of potato in the Columbia Basin. American Journal of Potato Research. 98:267-284. https://doi.org/10.1007/s12230-021-09841-4.


Return to top


Connect with ARS Sign up


ARS Home
                            USDA.gov
                            Plain Writing
                            Policies & Links
                            Civil Rights Statements
                            FOIA
                            Accessibility Statement
                            Privacy Policy
                            Non-Discrimination Statement
                            Quality of Information
                            USA.gov
                            WhiteHouse.gov