Jennie Diehl Mazzone

  • Plant Disease Clinic
Jennie Diehl Mazzone
220 Buckhout Lab
University Park, PA 16802
Work Phone: 814-865-2204

Connect with Jennie Diehl Mazzone



  1. M.S., Plant Pathology Penn State (PSU), 2017
  2. Dual- title program in International Agriculture and Development
  3. B.S., Horticulture, Science Option, PSU, 2014
  4. Minors: Plant Pathology; Sustainable Leadership; Biology
  5. Schreyer Honors College

Areas of Expertise

  • Plant Disease Diagnostics
  • Arboriculture

Professional Background

  • Plant Disease & Insect Diagnostician. Bartlett Tree Research Laboratory. Charlotte, NC, 01/2017-03/2019
  • Assistant Diagnostician. PSU Plant Disease Clinic. University Park, PA, 04/2013-08/2016
  • IPM Coordinator. PSU Greenhouses. University Park, PA, 08/2012-05/2014
  • Crew Leader. PSU Fruit Research and Extension Center. Biglerville, PA, 05-09/2011, 2012
  • Arboretum Technician. PSU. Mont Alto, PA, 01/2011-05/2012


Mazzone, J.D.; Mansfield, M.A.; Gugino, B.K. (Dec., 2016). Responding to growers’ needs: Evaluation of management strategies for onion center rot, caused by  Pantoea ananatis and Pantoea agglomerans” (thesis). PSU electronic thesis database.

Mazzone, J.D.; Mansfield, M.A.; Gugino, B.K. (Oct., 2016). Optimizing the timing and rate of nitrogen application to reduce center rot losses in PA. American Phytopathological Society Northeast Division Meeting, Ithaca, NY.

Mazzone, J.D.; Mansfield, M.A.; Gugino, B.K. (Aug., 2016). Identifying onion cultivars with reduced susceptibility to center rot. American Phytopathological Society Annual Meeting, Tampa, FL.

Mazzone, J.D. and Gugino, B.K. (Feb., 2016). Evaluating select management strategies for bacterial diseases of onion: Host resistance and nitrogen fertility. 2016 Mid-Atlantic Fruit and Vegetable Convention Proceedings, Pennsylvania Vegetable Growers Association, Richfield, PA. pp. 109-111.

Diehl, J. (2014). Integrated pest management (IPM) techniques for Moringa oleifera (Honor's thesis). Retrieved from Penn State Schreyer electronic Honors Thesis database. Available here