The Pullman Plant Pest Diagnostic Clinic provides or coordinates the following services:
Plant problem diagnosis:
The Plant Pest Diagnostic Clinic provides diagnosis by using visual and microscopic examination, pathogen culturing, immunological tests such as ELISA, and molecular tests like PCR for a limited number of pathogens. To submit a sample please fill out a plant sample submission form and follow the guidelines for sample submission. The minimum cost is $40.00.
Additional Plant Problem Diagnosis Options
- Metalaxyl-Resistant Pythium Soil Testing: The Clinic can assay soil that is suspected to contain Pythium species that are resistant to the fungicide Metalaxyl. Please contact the clinic for instructions on collecting soil for the best results. The cost is $40.00.
- Verticillium Soil Testing: The Clinic can assay soil for Verticillium dahliae. Please contact the clinic for instructions on collecting soil for the best results. The cost is $40.00. *Testing takes a minimum of 4 weeks*
- Phytophthora Soil and Water Baiting: The Clinic can assay soil and water samples for the presence of Phytophthora. Please contact the clinic for instructions on collecting soil for the best results. The cost is $40.00.
- Please contact the clinic if you would like these tests to be conducted. Email: firstname.lastname@example.org OR phone: 509-335-3292
The Clinic is able to identify common plant insect/arthropod plant pests. Please submit with an Insect Identification submission Form and follow the guidelines for insect submission. Depending on the extent of identification, you may be charged $25.00.
Plant Virus Testing:
The Clinic is able to use a number of molecular tools to test for various plant viruses. If a virus is suspected, please submit a Plant Virus Sample Submission Form. Cherry virus testing for Little Cherry and X-Disease please use the Little Cherry Disease Response Diagnostic Request form. Virus testing ranges from $30-50 depending on the type of test conducted. Please note: we will not be accepting samples for Little Cherry or Western X virus testing until April 2022.
The Plant Pest Diagnostic Clinic can offer plant identification as well, but will in most cases defer to Dr. Richard Old, who is contracted by the Department of Crops and Soil Sciences to make these identifications. Samples which arrive at the Clinic will be forwarded digitally to Dr. Old. Clients may submit samples directly to Dr. Old by visiting the CSS website: Weed Identification.