PhD Plant Pathology at University of Arizona

Programme overview

The Plant Pathology Ph.D. prepares you for research and leadership opportunities in areas such as federal and state agencies involved in food safety, agricultural agencies focused on crop improvement, and academic institutions with focuses on basic and applied microbial sciences. Following the selection of a permanent lab and a major advisor, Ph.D. students deepen their expertise in that lab's research area through participation in all aspects of the research process.

Faculty: College of Agriculture, Life & Environmental Sciences | Duration: 6 years / 63 units | Study mode: full-time | Location: Tucson, AZ, United States

What you will study

The following courses are required for the Plant Pathology PhD (total 38 units): PLS 560, Advanced Plant Biology, 4 units, minimum grade expected B PLP 550, Principles of Plant Microbiology, 4 units, minimum grade expected B PLP 592, Directed Research, 3 units (1 unit each for three 7.5-week laboratory rotations), minimum grade expected B PLP 596A, School of Plant Sciences.

Official programme page

Application information

Entry requirements

Graduate College minimum (applies to all programmes; departments may add requirements): regionally accredited bachelor's degree or comparable international degree and a minimum 3.00 GPA for degree programmes on a 4.00 scale. The Graduate College does not require the GRE, though individual programmes may. Programme-specific requirements are listed in the Graduate Admissions Guide.

Domestic applicants: USD 15,500 a year (2026-27). FY 2027 published base tuition for the Resident Graduate rate band, which applies to main-campus graduate programmes. Excludes mandatory fees, college fees, program fees and differential tuition, housing and meal plans. Source

International applicants: USD 35,800 a year (2026-27). FY 2027 published base tuition for the Non-Resident Graduate rate band, which applies to main-campus graduate programmes. Excludes mandatory fees, college fees, program fees and differential tuition, housing and meal plans. Source

Spring semester begins January 13 and fall semester begins August 23 for undergraduate international students; for graduate students spring begins January 14 and fall August 25.

Apply through the official page: https://grad.arizona.edu/admissions

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