Fees

On January 1, 2017, a new fee schedule was implemented at the Texas Plant Disease Diagnostic Laboratory. The following is a detailed list of the current fee schedule.

If you have any questions regarding the specific tests listed below, visit our services tab for the type of sample needed and other details. Packaging and submission information can be found on our forms (D1178, D827, TPDDL1004).Click here for link to FORMS. Please call us at 979-845-8032 or email plantclinic@tamu.edu, if you have any other questions!

Routine Diagnostics (D-1178) $35/sample 
Out of State $20 surcharge/sample
SPECIALIZED TESTS – Special requests
Culture/Microscopic Observation

Oak Wilt
Dutch Elm Disease (DED)
Cotton Root Rot
Turfgrass Diseases*
 Covered under Routine Diagnostics Fee
Nematode detection assay (plant or soil sample) (D-827) $35/sample
ELISA-based testing

Bacterial Leaf Scorch (Xylella sp.)
Phytophthora sp. Root Rot
Bacterial Leaf Spot (Xanthomonas sp.)
 $20 surcharge/test request
Virus (Serological OR ELISA) $20 surcharge
Plant Pathogenic Bacterial ID (MIDI) $20 surcharge
Rose Rosette (RRV) $20 surcharge
PCR Analysis (Molecular Detection)

Palm Phytoplasma Disease (Lethal Decline/ Lethal Yellowing)
Ornamental Phytoplasma
Bacterial Leaf Scorch (Xylella sp.)
Palm Fusarium
Plant Pathogenic Bacterial ID
Citrus Greening/Huanglongbing
 $30 surcharge/test request
GRAPE Testing (for commercial grape growers) (TPDDL-1004) 

Each of the first 5 samples will be assessed the full amount for each test performed, then subsequent samples will only be charged the routine diagnostic fee of $35.
Culture/Microscopic Observation

Cotton Root Rot
 Covered under Routine Diagnostics Fee
ELISA-based testing

Pierce’s Disease (Xylella fastidiosa)
Phytophthora sp. Root Rot
 $20 surcharge/test request
PCR Analysis (Molecular Detection)

Pierce’s Disease (Xylella fastidiosa)
 $30 surcharge/test request

* The TPDDL offers a RUSH service for Turfgrass diseases; additional fees apply and will need to be discussed with TPDDL personnel before sample is submitted.

Phytoplasma and Rose rosette virus detection is process approximately once a week, depending on sample submission.  Turnaround time is 14-21 days.  Please contact if need quicker turnaround for diagnostician/technician availability.

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