Accurate diagnosis depends on the rapid receipt of fresh and representative samples along with pertinent information relating to the problem. 

A completed submittal form should accompany all samples.  Submittal forms are available at Diagnostic Services or your local extension office.  Forms can also be downloaded from our website.  Samples can be may dropped off at our reception area weekdays between 8 a.m. and 5 p.m. or shipped overnight delivery by U.S. mail, FedEx, DHL or UPS.  To preserve the quality of the sample, do not mail samples on Friday.

Submit samples to:

Michigan State University
Diagnostic Services
101 Center for Integrated Plant Systems
East Lansing, MI 48824-1311

Phone: (517) 355-4536
Fax: (517) 432-0899