Current instructional activities

  • Principles of plant pathology (PLPTH 500) at Kansas State University (offered every spring semester).
  • Lab teaching of Crop Diseases (PLPTH 585) with Judy O’Mara (offered every fall semester).
  • Developing an Introduction to R workshop with Dr. Sydney Everhart.
    • co-taught with Sydney Everhart and Nikita Gambhir at University of Nebraska, Lincoln on March 11th, 2019.
  • Creating plant disease epidemiology excercises in R in collaboration with Tim Todd.

Teaching assistance

At Department of Plant Pathology, NCSU
  • PP 318 (Forest Pathology) in Spring 2014.
  • PP 315 (Principles of Plant Pathology) in Fall 2013.
  • PP 590 (Field Plant Pathology in NC) during Fall 2012.
At Department of Plant Pathology, UGA
  • Path 4400/6400 (Plant Pathology for Teachers) during Spring 2010.


  1. Sahayaraj, K., Subash, N., Allingham, R. W., Kumar, V., Avery, P. B., Mehra, L. K., McKenzie, C. L., Osborne, L. S. 2018. Lethal and sublethal effects of three microbial biocontrol agents on Spodoptera litura and its natural predator Rhynocoris kumarii. Insects. 9, 101. link

  2. Mehra, L., Adhikari, U., Cowger, C., and Ojiambo, P. S. 2018. Septoria nodorum blotch of wheat. PeerJ Preprints 6:e27039v2 link

  3. Cowger, C., Mehra, L., Arellano, C., Meyers, E., and Murphy, J. P. 2017. Virulence differences in Blumeria graminis f. sp. tritici from the central and eastern United States. Phytopathology 108:402–411. link

  4. Ojiambo, P. S., Gent, D. H., Mehra, L. K., Christie, D., and Magarey, R. 2017. Focus expansion and stability of the spread parameter estimate of the power law model for dispersal gradients. PeerJ 5:e3465. link

  5. Mehra, L. K., Cowger, C., Ojiambo, P. S. 2017. A model for predicting onset of Stagonospora nodorum blotch in winter wheat based on pre-planting and weather factors. Phytopathology 107:635–644. link

  6. Mehra, L. K., Cowger, C., Gross, K., and Ojiambo, P. S. 2016. Predicting pre-planting risk of Stagonospora nodorum blotch in winter wheat using machine learning models. Frontiers in Plant Science 7:390. link

  7. Mehra, L. K., Cowger, C., Weisz, R., and Ojiambo, P. S. 2015. Quantifying the effects of wheat residue on severity of Stagonospora nodorum blotch and yield in winter wheat. Phytopathology 105:1417–1426. link

  8. Mehra, L. K., MacLean, D. D., Shewfelt, R. L., Smith, K. C., and Scherm, H. 2013. Effect of postharvest biofumigation on fungal decay, sensory quality, and antioxidant levels of blueberry fruit. Postharvest Biology and Technology. 85:109–115. link

  9. Mehra, L. K., MacLean, D. D., Savelle, A. T., and Scherm, H. 2013. Postharvest disease development on southern highbush blueberry fruit in relation to berry flesh type and harvest method. Plant Disease 97:213–221. link

  10. Scherm, H., Mehra, L. K., and MacLean, D. 2009. Observations on fruit rots in a southern highbush harvesting experiment, 2009. Dixie Blueberry News 9(5):7–11. link


Plant Pathology