Sample Submission Information
Questions or requests for information can be made by phone, email, or in person.
Dr. Yonghao Li, Plant Pathologist
Email: Yonghao.Li@ct.gov
Toll Free Phone: 1-877-855-2237
Plant samples can be submitted in person or by mail.
Sample Submission Form (fillable PDF Format)
Mailing Address:
Plant Disease Information Office
The Connecticut Agricultural Experiment Station
123 Huntington Street
New Haven, CT 06511
The PDIO is open from 8:30 a.m. to 4:30 p.m. Monday - Friday
PDIO Hours of Operation and Holiday List