Seed Health
Testing Services
A visual progression from a healthy carrot seed to one showing
signs of Alternaria dauci infection.
Full-Service Seed Health Testing
Our seed health lab specializes in accurate, dependable diagnostics to help seed producers maintain high-quality standards and reduce the risk of disease spread. Since 1992, CSP Labs has supported the industry with testing methods that meet NSHS and ISHI guidelines, along with in-house protocols developed by our R&D team. We offer a full range of capabilities including greenhouse grow-out, dilution plating, blotter testing, PCR, ELISA, and microscopy to detect seedborne pathogens across a wide variety of crops.
Have a specific testing request? Contact us for more information or inquiries at 916.655.1581.
Our Process
Submitting a sample for testing is a simple process, and we’re here to guide you every step of the way.
Consult with Our Team (Recommended First Step)
We encourage you to contact us before sending samples—especially if you’re unsure which tests are needed or how many seeds to send. Our team can help determine the most efficient approach based on your crop, the target pathogens, and testing goals. We can also advise on proper sampling and labeling methods.
Prepare & Ship Your Seed Samples
Send untreated seeds whenever possible, and be sure to draw a representative sample from your seed lot. Quantities will vary depending on the tests requested—some tests may allow for the same seeds to be used across multiple analyses.
- Securely package the seeds and clearly label each sample.
- Please include a completed Sample Submission Form as your packing slip, and also email a copy to team@csplabs.com.
- Ship via express mail.
- International customers: include a Phytosanitary Certificate, or request our Red/White USDA Labels and instructions to simplify shipping.
For certain tests like Bacterial Fruit Blotch grow-out, we ask for at least 10% more than the required seed quantity to compensate for potential low germination.
Laboratory Testing & Analysis
We offer a comprehensive suite of testing methods—including PCR, ELISA, greenhouse grow-out, dilution plating, blotter testing, and microscopy. Where applicable, our protocols align with NSHS and ISHI standards to ensure consistency and compliance. Backed by a skilled diagnostics team, we deliver accurate and reliable results across all seed health testing services.
Results, Recommendations & Industry-Leading LIMS Support
Our lab keeps you informed from start to finish with timely notifications when your sample is received and again once testing is complete. Estimated start and completion dates are always accessible through the myCSP web portal. Our team is available to review your results, recommend next steps, and assist with any regulatory or export-related needs. Backed by one of the most advanced Laboratory Information Management Systems (LIMS) in the industry, we provide streamlined communication, reliable turnaround time tracking, and a level of transparency that continues to earn praise from our clients.
Testing Capabilities
A Series of Trusted Testing Methods for Global Compliance.
Greenhouse, Microbiological & Molecular Methods
CSP Labs offers a wide range of testing methods to detect seedborne bacterial, fungal, and viral pathogens. Our capabilities include:
- Greenhouse grow-out + seed wash microscopy
- Microbiological methods: dilution plating, blotter testing
- Molecular & Serological methods: PCR, ELISA
These methods are applied across many vegetable crops to support both quality control and regulatory requirements.
Custom Programs
Tailored Testing Solutions to Fit Your Needs.
If you require routine testing, CSP Labs can help you build a program that meets your operational needs. Whether you’re monitoring seed lots for quality or preparing for export, we offer:
- High-volume support
- Priority processing and turnaround guarantees
Reach out to us to build a plan that fits your workflow.
Available Seed Health Services
Interested in Hemp Seed Health Testing?
Reach out today to request our full list of Hemp Seed Health Testing services.
Have a Specific Testing Request?
Contact us if you need a test not listed above. We’re here to help.

