Plant Pathology, PhD

Requirements for Students Matriculating in or before Academic Year 2019-2020. Learn more about Graduate College Academic Regulation 7.0.

Total Hours: 60 Hours (Beyond the Master's Degree)

Required Courses
Introductory (one is required if not previously taken)
Principles of Plant Pathology (Introductory - no graduate credit)
PLP 5343Principles of Plant Pathology3
Hours Subtotal3
Pathogens courses
PLP 5104Mycology4
PLP 5724Physiology of Host-Pathogen Interactions4
Hours Subtotal8
Additional Pathogen courses
Select 7-8 hours, depending on advisory committee decision.7-8
Plant Nematology
Plant Virology
Phytobacteriology
Hours Subtotal7-8
Concepts courses 1
Select 6-7 hours, depending on advisory committee decision.6-7
Integrated Management of Insect Pests and Pathogens
Host Plant Resistance
Soilborne Diseases of Plants
Hours Subtotal6-7
Professionalism
PLP 5870Scientific Presentations (Both fall and spring semesters - 1 credit hour each.)2
Optional if two semesters of PLP 5870 were previously completed during an OSU ENTO-PLP master's degree program.
Hours Subtotal2
Recommended course:
Career Skills and Professionalism for Scientists
Plus additional courses to complete the graduate program and Plan of Study.32-34
Hours Subtotal32-34
Total Hours60

Total Hours: 90 Hours (Beyond the Bachelor's Degree)

Required Courses
Introductory (one if required if not previously taken)
Principles of Plant Pathology (Introductory - no graduate credit)
PLP 5343Principles of Plant Pathology3
Hours Subtotal3
Pathogens courses
PLP 5104Mycology4
PLP 5724Physiology of Host-Pathogen Interactions4
Hours Subtotal8
Additional Pathogen courses
Select 7-8 hours, depending on advisory committee decision.7-8
Plant Nematology
Plant Virology
Phytobacteriology
Hours Subtotal7-8
Concepts courses 1
Select 6-7 hours, depending on advisory committee decision.6-7
Integrated Management of Insect Pests and Pathogens
Host Plant Resistance
Soilborne Diseases of Plants
Hours Subtotal6-7
Professionalism
PLP 5870Scientific Presentations (Both fall and spring semesters - 1 credit hour each.)2
Optional if two semesters of PLP 5870 were previously completed during an OSU ENTO-PLP master's degree program.
Hours Subtotal2
Recommended course:
Career Skills and Professionalism for Scientists
Plus additional courses to complete the graduate program and Plan of Study.62-64
Hours Subtotal62-64
Total Hours90

General Graduate College Requirements

  • A minimum Grade-Point-Average of 3.00 is required
  • A minimum Grade of "C" is required in all degree applicable courses
  • No courses utilizing the Pass-No Pass grading system are permitted
  • GRAD 5082 or GRAD 5092 may not be used to meet degree requirements

Additional Doctor of Philosophy (PhD.) Requirements

  • 90 credits beyond the Bachelor's degree, 60 credits beyond the Master's degree are required
  • At least seventy-five percent of coursework on the Plan of Study must include 5000 and 6000 level courses
  • A minimum of 15 hours at the 6000 level with a grade of SR for the doctoral dissertation must be complete.  The maximum number of dissertation hours (6000 with a grade of SR) permissible on a Plan of Study must not exceed three-fourths of the total credit hours in the approved graduate degree program
  • Credit for all courses on a graduate Plan of Study must have been awarded within 10 years of completion of all degree requirements
  • A minimum of 30 in-residence credit hours are required
  • Non-Course requirements:
    • Doctoral Candidacy
    • Dissertation Defense
    • Dissertation Submission/Approval