The Oregon State University Nematode Testing Service determines the identity and number of plan-parasitic nematode genera and the total number of non-plant-parasitic nematodes in soil and plant samples. There is a basic charge for extraction and counting of plant-parasitic nemtode genera from a soil or a plant sample and for identification of common nematodes of concern. Other procedures are charged at an hourly rate.
Call for a list of "common nematodes of concern", for sampling instructions, and with other questions.
Department of Botany and Plant Pathology
Oregon State University
1090 Cordley Hall
Corvallis Or 97331