New in 2025: A NEW Plant Disease Diagnosis Form (D-1178) and Plant Nematode Detection Form (D-827) took effect on February 1, 2025. Please download and use the new versions of the forms from the link above.
All downloadable forms are in PDF format. You may need to get Adobe Acrobat Reader (free reader) to be able to access these forms. These are fillable PDF forms.
For a specific test that does not have a specified form, please use FORM D1178 – General Diagnostic Service Form and note the requested test in the COMMENT area. Specific requested testing may incur additional charges.
* For palm phytoplasma detection, please see the following document for sampling guidance. Sampling Guide for Palm Phytoplasma
Need help finding what to send? Check out one of these videos:
Samples can be submitted via courier, mail (preferably with no more than 3-day delivery), or by walk-in.
Walk-in hours: Monday–Friday 9am – 4pm (closed 12pm-1pm)
* For diagnosis of disease in upper high plains row crops, please consult the Texas High Plains Plant Disease Diagnostic Laboratory
