STA Laboratories offers confidential, accurate, and timely diagnostic services that can help improve your product and ensure a stable and healthy agricultural industry.
STA Seed Quality offers a wide range of seed quality testing services including:
- Seed health testing for the detection of seed borne pathogens. Two laboratories are NSHS accredited and USDA-APHIS inspected for international sample shipments.
- Our bacterial fruit blotch testing program combines the industry standard grow out testing with DNA technologies such as polymerase chain reaction (PCR)
- Seed analysis utilizes standard
AOSA, ISTA, and Canadian protocols for germination and physical purity tests.
- We offer vigor tests such as accelerated aging and Seedling Vigor Imaging (SVIS), or more customized ones to suit your needs.
STA Plant Health Services provides Grapevine Disease Testing and Diagnostics—disease detection and eradication services specifically for grapevines. Services include:
- Grapevine HealthCheck™ panels that offer state-of-the-art testing for major grapevine pathogens
- Custom disease eradication services
- Seasonal vineyard surveys that combine accurate testing with on-site consulting from leading expert pathologists
STA Plant Health Services also provides Custom Disease Testing and Diagnostics - disease detection of plant pathogens in vegetable, flower, and fruit crops.
Our California lab offers Disease Resistance Screening (DRS) to accurately assess your cultivars for specific disease resistance genes in temperature and humidity controlled greenhouses and growth chambers.
STA Genetic Services is a high-throughput genomics lab that offers:
- Marker assisted selection helps ensure desired traits are identified, selected and manifested in the next generation
- Marker assisted backcrossing enables you to confidently identify plants with desired genomes
- Quantitative and qualitative trait mapping is used to reliably find linked markers
- Molecular genotyping helps you protect your elite material, ensure hybrid purity and identify specific varieties
- Breeding Edge Advantage Program for those who require a dedicated molecular marker laboratory and breeder.
- Hybrid purity analysis (iso-electric focusing electrophoresis of plant proteins)
STA is the only authorized US-based distributor of BIOREBA AG reagents and equipment, used to detect more than 70 plant pathogens in laboratory-scale ELISA operations.

