Pathological Tests

Performed in the Special Testing Unit:

Blackleg Testing: A test that detects the presence of Phoma lingam (Leptoshaeria maculans) on seed. The test is for Brassica species: canola, kale, turnip, cabbage, cauliflower, etc.

Endophyte: A test to detect the presence or absence of endophyte fungi (Neotyphodium spp.) in seeds. It helps growers to make decisions regarding the marketing of grass seeds for feed or turf purposes.

Mosaic Virus Testing: A test that detects the presence mosaic virus on seed. This test is for squash, tomato, pepper, cucumber, potato, and other species of  garden seed.

Performed in the Purity Unit:

Pest and Disease (P&D): The working sample is examined for a list of pests and diseases. Affected seeds are removed, identified, weighed, and reported by percentage.

Orobanche Test (OT): Determines the presence of Orobanche seeds in a submitted sample of red clover using a dry method.

endophyte

Ergot: A test to detect Ergot (Claviceps purpurea) in a sample. The ergoted seeds are removed, weighed, and reported as percentage.