The University of Minnesota's Plant Disease Clinic provides prompt accurate information on plant diseases for commercial growers in Minnesota. We provide routine diagnosis of samples that require traditional methods of symptom analysis, culturing, or microscopic examination. These include leaf spot and root rot diseases of field crops, trees, or greenhouse crops and diagnosis of oak wilt and Dutch elm disease. Fees may vary if additional specialized media is required. Other viruses may be identified using biological or serological techniques.
Fees vary depending on the virus to be identified.
This is a biological assay on sugarbeet soil for the presence of Aphanomyces sp. Soil samples should be collected after harvest and will be processed in the greenhouse during the winter months. Contact the Plant Disease Clinic for specific information. Samples are processed during the winter months. How To Submit Samples For Disease Diagnosis Collect living plants that exhibit varying stages of decline.