Professor and Extension Plant Pathologist

Panhandle Research and Extension Center, 4502 Ave I Scottsbluff, NE 69361
Phone: (308) 632-1239;  Fax: (308) 632-1365


  • Ph. D. 1999, University of Florida -“ Plant Pathology
  • M. S. 1989, Texas A&M University -“ Plant Pathology
  • B. S. 1985, Tarleton State University -“ Plant/Soil Science
  • B. A. 1983, Trinity University - History


Diseases of specialty crops


  • American Phytopathological Society (APS)
  • North Central Division of American Phytopathological Society
  • Mycological Society of America
  • American Association of Sugar Beet Technologists (ASSBT)
  • Gamma Sigma Delta
  • Sigma Xi


Fund, design, and conduct research projects that address the etiology,  spread, and applied management of new and/or important diseases of  specialty crops in the Panhandle of Nebraska, with an emphasis on sugar beet root rots, bacterial diseases of dry beans, and sunflower diseases.


Develop and deliver statewide and regional educational publications and programs involving diseases of specialty crops - including sugar beets, dry beans, sunflowers, potatoes, chickpeas, dry peas and other pulse crops, proso millet, chicory, fenugreek, bio-fuel crops like camelina and canola, and other newly emerging alternative crops.


  • Scottsbluff plant pathology research and extension program was profiled with individual  pages for three European journals dedicated to disseminating information on science, research, and technology.  1) International Innovation, (2014) Issue 164: 96-98; 2) Pan- European Networks, (2015) 14: 207; 3) Adjacent Government, (2015) May: 188-189.
  • Selected to Strathmore’s Who’s Who (2010), Madison’s Who’s Who (2009), Continental Who’s Who (2009), IBC’s International Scientist of the Year (2009), IBC’s Leading Scientists of the World (2009), Marquis’ Who’s Who in America (2008), and IBC’s 2,000 Outstanding Scientists (2008)
  • Elected to Bridgeport (TX) High School’s “Wall of Fame” (2004)
  • Winner of UNL Ag Research Division’s Junior Faculty Excellence in Research Award (2003)
  •  Named to AcademicKeys Who’s Who in Agriculture Higher Education (2003)



  • Senior Editor for Features Articles – Plant Health Instructor (2016-2018)
  • Senior Editor of APS Press (2013-2018)
  • Author of new plant pathology book for APS Press - “Bacterium of Many Colors” (2015)
  • Co-author for new revision of Central High Plains Dry Bean Pest Mgmt Guide (2015)
  • Co-author for a book chapter on sunflower diseases in American Oil Chemists Society’s “Sunflower: Chemistry, Production, Processing and Utilization” (2015)
  • Editor and co-author for new Compendium of Sunflower Diseases and Pests (1st edition) for APS Press (2016)
  • Authored one chapter (dry bean diseases) and reviewed two chapters (sugar beets and  sunflowers) in “Fungicides for Field Crops” for APS Press (2013), edited by Mueller et al.
  • Chair of Review Panel for ARS sugar beet germplasm and breeding programs (2013)
  • Co-author for new revision of Central High Plains Sugar Beet Pest Mgmt Guide (2013)
  • Senior Editor of Plant Disease (2010-2012)
  • Associate Editor of Plant Disease (2008-2009)
  • Editor and co-author for new revision of Compendium of Beet Diseases and Pests for APS  Press (2009)
  • Reviewer on Panel for USDA-ARS germplasm and breeding programs (sugar beets-2007, 2009, 2013 and 2017); (sunflowers-2017); (dry beans-2018)


Refereed Journal/Review Articles: 62

Books: 1

Book Chapters: 52

Technical Peer-Reviewed Articles: 140

Extension/Service Activity Articles: 407

Abstracts: 76


1. Harveson, R. M. 2014.  Puccinia subnitens, a little-known rust pathogen for more than a century. Online.  Plant Health Progress. doi:10.1094/PHP-RV-13-1024.

2. Harveson, R. M.  2014.  The false root-knot nematode: a unique plant pathogen native to the western hemisphere. APSnet Feature, June, 2014.  

3. Harveson, R. M., Nielsen, K. A., and Eskridge, K. M. 2014. Utilizing a pre-plant soil test for predicting and estimating root rot severity in sugar beets in the Central High Plains of the U.S.  Plant Dis. 98: (1248-1252).

4. E. C. Heitkamp, E, C., Lamppa, R. S., Lambrecht, P. A. Harveson, R. M. Mathew, F. M., and Markell, S. G.  2014.  First Report of Bacterial Pustule on Soybeans in North Dakota. Online. Plant Health Progress doi:10.1094/PHP-BR-14-0007.

5. Urrea, C. A. and Harveson, R. M.  2014.  Identification of sources of bacterial wilt resistance in common beans (Phaseolus vulgaris L.)  Plant Dis. 98: (973-976).

6. Friskop, A. J., Gulya, T. J., Harveson, R. M., Humann, R. M., Avecedo, M., and Markell, S. G.  2015.  Phenotypic Diversity of Puccinia helianthi (Sunflower Rust) in the United States from 2011 and 2012.  Plant Dis. 99: 1604-1609

7. Harveson, R. M.  2015.  Beet curly top, America’s first serious sugar beet disease. APSnet Feature, February, 2015.

8. Harveson, R. M., Nelson, A., Mathew, F. M., and Seiler, G. J.  2015.  First report of Orobanche ludoviciana parasitizing sunflowers.   Plant Health Progress

9. Harveson, R. M., Schwartz, H., F., Urrea, C. A., and Yonts, C. D.  2015.  Bacterial wilt of dry-edible beans in the central high plains of the U.S.:  past, present, and future.  Plant Dis. 99: 1665-1677.

10. Porter, L. D., Pasche, J. S., Chen, W., and Harveson, R. M. 2015. Isolation, identification, storage, pathogenicity tests, hosts, and geographic range of Fusarium solani f. sp. pisi causing Fusarium root rot of pea. Plant Health Progress doi:10.1094/PHP-DG-15-0013.

11. Webb, K. M., Harveson, R. M., and West, M. S.  2015.   Evaluation of Rhizoctonia zeae as a potential biological control option for fungal root diseases of sugar beet. Ann. Appl. Biol. 167: 75-89. 

12. Adesemoye, A. O., Wei, H.-H., and Harveson, R. M.  2016.  Identification of Erwinia rhapontici, as the causal agent of crown and shoot rot and pink seed of pea in Nebraska.  Plant Health Prog. 17:155-157.

13. Osdaghi E., Taghavi, S. M., Hamzehzarghani, H., Fazliarab, A., Harveson. R. M., and  Lamichhane, J. R.  2016.  Occurrence and characterization of a new red-pigmented variant of Curtobacterium flaccumfaciens, the causal agent of bacterial wilt of edible dry beans in Iran.  Eur. J. Plant Pathol. 146:129–145.

14.  Hergert, G. W., Darapuneni, M. K., Aqeel, A. M., Wilson, R. G., Harveson, R. M., Bradshaw, J. D., and Nielsen, R. A.  2017. Agronomic potential of using precipitate calcium carbonate on early plant growth and soil equality in the intermountain west – greenhouse studies.  J. Sugar Beet Res. 54: 35-49.

15.  Osdaghi, E., Taghavi, S. M., Hamzehzarghani, H., Fazliarab, A., Harveson, R. M., Tegli, S. and Lamichhane, J. R. (2017), Epiphytic Curtobacterium flaccumfaciens strains isolated from symptomless solanaceous vegetables are pathogenic on leguminous but not on solanaceous plants. Plant Pathol. doi:10.1111/ppa.12730

16. Urrea, C. A., Muehlbauer, F. J., and Harveson, R. M.  2017.  Registration of 'New Hope' Chickpea Cultivar with Enhanced Resistance to Ascochyta Blight. Journal of Plant Registrations 11: 107-111.

17.  Adhikari, A. D., Nielsen, K. A., Harveson, R. M., Graham, C., Beck, R., and Mathew, F. M. 2018.  Bacterial blight of Lentil (Lens culinaris) is caused by Pseudomonas syringae pv. syringae.  Plant Health Progress. (in press).

18.  Harveson, R. M., Mathew, F. M, Gulya, T. J., Markell, S. G., Block, C. C., and Thompson, S.  2018.  Sunflower Stalk Diseases Initiated through Leaf Infections.  Plant Health Progress 19: 82-91.

19. Mathew, F., Harveson, R., Gulya, T., Markell, S., Block, C., and Thompson, S. 2018. Phomopsis Stem Canker of Sunflower. Plant Health Instructor. DOI: 10.1094/PHI-I-2018-1103-01.

20. Osdaghi, E., Taghavi, S. M., Calamai, S., Biancalani, C., Cerboneschi, M., Tegli, S., and Harveson, R. M.  2018.  Phenotypic and Molecular-Phylogenetic Analysis Reveals Insight into Population Structure of Curtobacterium flaccumfaciens Phytopathology 108: 1154-1164.