• Welcome to the
    CSU Potato Program Website!
    • Contact Us:
    • San Luis Valley Research Center: 719-754-3594
    • Potato Certification Service: 719-754-3496

Resource Center Links

Resource Center Links Home

Resources Center Links

2023 Crop Application

2023 Certified Seed and Grower Entry application

June 11, 2019 PVY Workshop

PVY Workshop presentations listed below:
Dr. Stewart Gray
Dr. Russell Groves
Dr. Nina Zidack pages 1-9
Dr. Nina Zidack pages 10-19
Dr. Nina Zidack pages 20-29
Dr. Nina Zidack pages 30-40

ET and Degree Days

For the latest recorded message, call 754-3494 extension 38 for La Jara, x40 (Center), and x36 (Center #2). Use the crop maturity and planting date closest to your own. If you would like to receive a daily ET email, please call Michelle at 7544-3496 ext. 10 to be added to the daily ET email list.
ET LaJara
ET Center 1
ET Center 2

ET Blanca

Columbia Root Knot Nematode DDs Hooper

Rules and Regulations:

Being a certified seed grower is voluntary. Seed growers agree to abide by Certification Rules and Regulations in order to qualify seed potato lots within their farming operations as certified seed. Current Rules and Regulations for certification are under review. If you have questions, please contact Andrew Houser, Potato Seed Certification Manager, at andrew.houser@colostate.edu.
2023 Rules and Regulations

PCS Newsletters

This newsletter contains information for growers on the most current activities of Potato Certification Service.
Newsletter Sep 2021
Newsletter May 2021
Newsletter Sep 2020
Newsletter May 2020
Newsletter Feb 2020
Newsletter Sep 2019
Newsletter May 2019
Newsletter Feb 2019
Newsletter Sep 2018
Newsletter May 2018

Certified Growers:

This list contains contact information for Colorado certified seed growers. Please contact any grower to discuss their seed potato program and varieties they produce.

Colorado Seed Potato Act Import Requirements:

The Colorado Seed Potato Act dictates certain requirements for seed lots coming into the state. This tool helps to explain disease tolerances and additional testing required of seed lots for various situations.
Colorado Seed Act Requirements for Importing Seed into the State of Colorado 2019

Annual Reports:

2020 Annual Report
2019 Annual Report pages 1-10
2019 Annual Report pages 11-21
2018 PHT Annual Summary
2017 PHT Annual Summary
2016 PHT Annual Summary
2015 PHT Annual Summary
2014 PHT Annual Summary
2013 PHT Annual Summary

USA Acreage:

2022 USA Acreage

Late Blight Protocol:

The Colorado San Luis Valley has established a Late Blight Quarantine on all potatoes shipped into the valley. This document details testing protocols needed prior to shipping. This quarantine is overseen by the Colorado Department of Agriculture.
Download the Late Blight Protocol >>

PCS Links

Find additional links of interest pertaining to seed potato certification. Clicking on any of the links navigates away from the PCS website.
PCS links >>

Managing PVY and It’s Effects On Seed Yield & Quality

Houser SRMAC 2020

Steps to growing Norkotah Seed. Clicking on any of the links navigates away from the PCS website.
Download PVYNorkSeed >>

Tissue Culture


Tissue Culture Cultivars

The PCS Tissue Culture laboratory supplies limited numbers of disease free potato tissue culture plantlets to growers. Please use this form to order plantlets for your tissue culture operations.
Download the Tissue Culture Order Form >>

  • Contact Us

    San Luis Valley Research Center
    0249 E RD. 9 N
    Center, Colorado 81125

    SLVRC : (719) 754-3594
    Potato Cert. Svc. : (719) 754-3496
    FAX : (719) 754-2619

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