Dr. John Tooker

Professor

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Biography

John Tooker is a professor in the Department of Entomology at Pennsylvania State University, where he also serves as the Director of Graduate Studies and the State Integrated Pest Management Coordinator. His research focuses on insect ecology, emphasizing plant-insect interactions, conservation biological control, and chemical ecology. Since obtaining his Ph.D. from the University of Illinois at Urbana-Champaign in 2003, he has contributed extensively to the field through his research and mentorship of undergraduate and graduate students. His lab has produced significant studies on gall insects and their ecological roles, as well as the impacts of agrochemical treatments on pest management. He is dedicated to developing sustainable agricultural practices and enhancing biological control mechanisms within agricultural ecosystems.

Research Interests

Experience

Professor

2008-01-01 — Present

Pennsylvania State University • University Park, PA

Professor in the Department of Entomology, overseeing research and teaching in insect ecology.

Requirements for Pennsylvania State University

Doctorate Program
Requirements
GPA Requirement
Required:3
TOEFL
Writing
Required:24
Speaking
Required:23
Total
Required:100
IELTS
Writing
Required:7
Speaking
Required:7
Overall
Required:7
GRE General
Prerequisites
Master's degree in related field for PhD Baccalaureate degree from accredited institution
Application Checklist
  • Three letters of recommendation
  • Statement of Purpose
  • Writing Sample
  • Official Transcripts
  • Resume/CV
Specialization Notes

GRE scores are highly recommended but not strictly required for Applied Linguistics.