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. How To Submit Samples For Disease Diagnosis Collect living plants that exhibit varying stages of decline. Do NOT submit dead plants only. For herbaceous plants, collect the entire plant, including as much of the root system as possible.
Bundle plants together and wrap roots only in a plastic bag.
Do not wrap stems in plastic. Wrap the entire bundle of plants in newspaper and place it in a cardboard box. Wrap in plastic to retain moisture. For virus testing, collect symptomatic leaves, stems, or entire plants. Wrap in plastic.