The Plant Disease Information Office

Return to PDIO


 Sample Submission Information

Questions or requests for information can be made by phone, email, or in person. 
            Dr. Yonghao Li, Plant Pathologist 
            Ms. Felicia Millett, Plant Diagnostician  

            Phone: (203) 974-8601

            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
Plant images can be submitted by email to or 
The PDIO is open from 8:30 a.m. to 4:30 p.m. Monday - Friday

PDIO Hours of Operation and Holiday List