Check out the Field Crop Pathology Extension page for in-season updates on field crops diseases.


Located at Purdue University, West Lafayette, the Purdue Plant and Pest Diagnostic Laboratory (PPDL) is a central facility for receiving both physical samples and digital images submitted for identification of insects, plants and plant diseases or diagnosis of plant and pest problems.

Visit the Department of Botany and Plant Pathology website to see all of the exciting way to get involved in agriculture at Purdue University. For students interested in graduate studies, click here.


A multi-state and international partnership of university and provincial Extension specialists, and public and private professionals that provides unbiased, research-based information with the goal of communicating relevant information to farmers and agricultural personnel to help with decisions related to protecting field crops.