The Purdue Botany and Plant Pathology graduate program offers world class research facilities in a small, congenial department. Graduate students in Botany and Plant Pathology expand frontiers of knowledge in basic and applied aspects of plant biology, plant pathology, and weed science. Research on plants and their interactions with other organisms and the environment is critical to crop production and food security. Studies consist of coursework and independent research leading to a Master's thesis or PhD dissertation as well as opportunities for leadership and professional development. Upon completing the program, our students pursue research and leadership positions in industry, academia, and government.

International students can study the Botany and Plant Pathology at Purdue University at its main campus in West Lafayette , United States of America. This PhD degree is available as a Full Time program delivered on campus in English. The program has a duration of 4 years and is offered at the university's main campus. Students can apply for the next intake starting on August 21, 2027.
About PhD in Botany and Plant Pathology
Requirements and Admission Criteria for PhD in Botany and Plant Pathology at Purdue University
Entry Requirements
- Degree Required: Completion of baccalaureate or equivalent degree from a college or university of recognized standing prior to registration as a graduate student.
- Required Academic Transcripts: Transcripts in English from every institution of higher education attended regardless of degree completion.
- Required Proof of Degree: Diploma not required unless degree conferral is not listed on transcript.
- English Proficiency Requirement: Required. See the English Proficiency Requirements page for further information.
English Requirements
- IELTSMin 6.5
- TOEFLMin 80
Tuition and Fee Information for PhD in Botany and Plant Pathology at Purdue University
How to Apply for PhD in Botany and Plant Pathology at Purdue University
For all applicants:
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Create an Application Account to start your application.
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Choose up to 3 campuses and/or graduate majors in priority order. Note: Not all graduate programs offer a third-choice option. (List of available third choice graduate majors.)
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Submit results of required tests (if needed) for your graduate program (examples of tests: GRE, GMAT, TOEFL, IELTS).
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Review your current/previous academic institution’s country for a listing of required admission documents.
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Prepare any additional documents based on your desired graduate program, including documentation for a 2nd or 3rd choice graduate program.
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Pay the Nonrefundable Application Fee (not required for nondegree or teacher license applicants).
For degree-seeking applicants:
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Upload Transcripts for every institution of higher education attended.
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Submit a statement of purpose. If applying to a 2nd or 3rd choice graduate program, be sure your statement of purpose is all-inclusive, and supports your suitability for all graduate programs listed on your application.
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Provide three Letters of Recommendation or the number required by your graduate program. If applying to a 2nd or 3rd choice graduate program, the program with the highest number of required recommendation letters will determine the minimum number of letters to be submitted.
For nondegree applicants:
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Provide evidence of a bachelor’s degree (may be a transcript, copy of a diploma or a letter from your college/university verifying the degree).
For graduate certificate/teacher license applicants:
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Upload Transcripts for every institution of higher education attended.
CHECK YOUR STATUS
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Log in to your Online Application Account.
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If applying to a 2nd or 3rd choice graduate program, Check Your Application Status for each graduate program
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Contact your Graduate Program directly with any questions.
United States of America, West Lafayette