Samples accepted in person and digitally.
All samples require appropriate request form.
A full and complete history of the specimens, surrounding plants, and symptoms are needed. For detailed sampling instructions, please select a category on the left-hand side of the screen that best fits your sample type.
PLANT DIAGNOSTIC REQUEST AND INSECT/ARTHROPOD ID REQUEST
Samples submitted digitally:
Click the link and fill all the required fields:
Questions, completed submission forms and further relevant digital images can be sent by email to ppdc@osu.edu.
Credit card payment can be submitted at:
Samples mailed:
C. Wayne Ellett Plant and Pest Plant Diagnostic Clinic
Department of Plant Pathology - 234 Selby Hall
c/o Dr. Francesca Rotondo
1680 Madison Avenue
Wooster, OH, 44691
Samples hand-delivered:
Requires coordination with Dr. Rotondo: (330-263-3721) | rotondo.11@osu.edu
TURFGRASS DIAGNOSTIC REQUEST
ACCEPTED AT THE COLUMBUS CAMPUS TURFGRASS CLINIC
Ohio Turfgrass Foundation Research and Educational Facility
2710 North Star, Columbus, Ohio 43221
Click for more Turfgrass Sample submission details.
NEMATODE DIAGNOSTIC REQUEST
ACCEPTED AT THE SOYBEAN PATHOLOGY AND NEMATOLOGY LAB IN COLUMBUS
Attn: Horacio Lopez-Nicora, Ph.D. (lopez-nicora.1@osu.edu)
110 Kottman Hall
2021 Coffey Rd., Columbus, Ohio 43210
Click for more Nematode Sample submission details.
General rules to collect and submit a sample
Collect symptomatic plants or part of the plants that are still alive and that are showing symptoms. If possible, include different stage of symptoms.
For entire plants:
- Bag (plastic) the roots and seal at the soil line with a twist tie or a rubber band. Do not cut the root ball off the above-ground plant parts.
- Cover the top plant growth with a second plastic bag.
- For leaf or stem tissue, place the sample in a zip-seal bag as soon as it is collected. Do not use paper bags
- Include a completed Plant Sample Submission form in the package and provide as much as information you have available (plant variety, history of the problem, recent pesticide applications and the number of plants affected)