Potato Seed Certification Standards
Greenhouse and field seed potato certification standards.
Program Information
| Item | Information |
|---|---|
| Certified Crop | Potato |
| Certification System | Generations |
| Production Systems | Greenhouse and Field Production |
| Required Inspections | Greenhouse – 2 • Field – 2 |
| Application Deadline | Refer to Potato Program Requirements |
Seedstock Eligibility
- Only seed potatoes approved by ACIA and meeting certification eligibility requirements may be entered into the Arizona Potato Seed Certification Program.
- Seed sources shall maintain varietal identity and traceability throughout certification.
Greenhouse Production
- Two official inspections are conducted: early growth and prior to vine kill.
- Greenhouse lots are evaluated for variety identity, off-types, diseases, and general crop condition.
- Leaf samples are collected before vine kill for laboratory testing.
Field Production
- Two official inspections are conducted: early vegetative growth and prior to vine kill and harvest.
- Field inspections evaluate variety identity, off-type plants, diseases, volunteer potatoes, and general field condition.
- PVY leaf samples are collected during the final inspection.
Isolation and Land Requirements
- Fields must meet ACIA requirements for land history, crop rotation, volunteer potato control, isolation, and field eligibility.
Field Standards
- Field standards address off-types, mosaic, leaf roll, blackleg, ring rot, and other diseases within certification tolerances.
- Disease tolerance tables are maintained in the official ACIA Potato Seed Certification Standards.
Laboratory Testing
- Greenhouse testing includes PVX, PVS, PVA, PVY, PLRV, and stem testing for BBR and Pectobacterium.
- Field testing includes PVY testing.
Certification Documents
- Certification Tags
- North American Seed Potato Health Certificate
Required Forms
Use the crop application first. Submit tag orders, blending reports, or supporting forms only when they apply.