Texas Plant Disease Diagnostic Lab

The Texas Plant Disease Diagnostic Laboratory (TPDDL) originally started as an informal service in 1957 to provide plant disease diagnostic support to our AgriLife Extension personnel and to assist clients in the identification of plant disease problems. In 1982, this service was established as a part of an Extension unit within the Department of Plant Pathology & Microbiology at Texas A&M University.

Currently, the Texas Plant Disease Diagnostic Lab (TPDDL-CS) provides a service to the people of Texas by Department of Plant Pathology and Microbiology at Texas A&M University in conjuction with Texas AgriLife Extension Service. This laboratory provides plant disease diagnostic service to AgriLife Extension personnel, homeowners, farmers, greenhouse and nursery producers, landscape contractors, interiorscapers, arborists, consultants, and any other group or individual needing accurate identification of plant disease problems. The TPDDL strives to provide the most accurate and rapid plant disease diagnosis together with recommendations for effective plant disease management.

Check out the Texas Plant Disease Handbook, and the TPDDL Factsheets for more information on plant diseases!

Contact Us:

Located in the Centeq Building at the Texas A&M Research Park

2589 TAMU
1500 Research Parkway
Suite A130
College Station, Texas 77845-2589

Phone: 979-845-8032
Fax: 979-845-6499
Email: plantclinic@tamu.edu

Dr. Kevin Ong, Director of TPDDL

Sheila McBride, Extension Program Specialist – Diagnostician

Check us out on YouTube: https://www.youtube.com/user/PlantDiseaseClinic

Check us out on Facebook: facebook.com/TXPlantClinic

Check us out on Twitter: https://twitter.com/txplantclinic

Check us out on Instagram: https://www.instagram.com/txplantclinic/

Hours of operation:

Monday – Friday
8:00 AM – 5:00 PM (closed daily from 12:00 PM – 1:00 PM)
Closed during holidays

Interested in submitting a plant sample? Click here for links to forms!

To contact your local County Extension Office, click here!

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