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Potato Disease Testing


The NDSU Plant Diagnostic Lab conducts potato disease testing in support of the potato program (ND State Seed Department) in North Dakota and several other states.

We are a USDA-approved laboratory to test seed potatoes for Clavibacter michiganensis subsp. sepedonicus (bacterial ring rot) for export to Canada.

Please refer to the sample submission guidelines below before submitting samples.

Seed Health and Phytosanitary Testing Form

Services and Fees
Submission Guidelines for Potato Testing