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Association of Official Seed Analysts.

The Association of Official Seed Analyst (AOSA) is an organization of member laboratories dedicated to education and research, including state, federal, and university laboratories from the United States and Canada.

AOSA formally organized in Washington D.C. in 1908, developing rules and procedures for seed testing and the standardization of their interpretation (in conjunction with the Federal Seed Act)

Society of Commercial Seed Technologists.

The Society of Commercial Seed Technologists (SCST) is an organization of professional seed technologists dedicated to research, proficiency and improvement in seed testing from private, and company laboratories across the United States and Canada.

SCST originated in 1922, largely as a liaison between The Association of Official Seed Analysts (AOSA) and The American Seed Trade Association (ASTA).

AOSA | SCST

Latest News and Announcements

Seed Technologists Newsletter

Volume 92 No. 3 Dear AOSA & SCST Members, Please click the link below to view the latest issue of…

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Webinar on the 2025 AOSA Rule Changes is Now Available!!

Dear AOSA & SCST Members, The webinar has been posted on the AOSA/SCST website.  You may view it through the AOSA/SCST…

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2 days ago
AOSA and SCST

Happy Thanksgiving from AOSA & SCST! May your day be packed with good food, good conversations, and plenty of reasons to be thankful. ... See MoreSee Less

Happy Thanksgiving from AOSA & SCST! May your day be packed with good food, good conversations, and plenty of reasons to be thankful.
3 days ago
AOSA and SCST

AOSA-SCST invites qualified applicants to submit proposals for the Executive Director position. This role provides strategic leadership and operational oversight for the organization. Proposals are due December 31, 2025! View the full RFP and application instructions here: analyzeseeds.com/scst-genetic-testing-super-workshop-2-2-2-2/ ... See MoreSee Less

AOSA-SCST invites qualified applicants to submit proposals for the Executive Director position. This role provides strategic leadership and operational oversight for the organization. Proposals are due December 31, 2025!  View the full RFP and application instructions here: https://analyzeseeds.com/scst-genetic-testing-super-workshop-2-2-2-2/
3 weeks ago
AOSA and SCST

On this Veterans Day, we pause to honor the men and women who have served our country with courage and dedication. Thank you for your service. ... See MoreSee Less

On this Veterans Day, we pause to honor the men and women who have served our country with courage and dedication. Thank you for your service.
2 months ago
AOSA and SCST

The USDA’s Seed Regulatory and Testing Division is seeking a detail-oriented professional to join their Science and Technology Program, where you’ll help ensure the integrity of seeds across the nation by conducting tests for purity, germination, and noxious weed examination. Apply today here: bit.ly/3Id76As ... See MoreSee Less

The USDA’s Seed Regulatory and Testing Division is seeking a detail-oriented professional to join their Science and Technology Program, where you’ll help ensure the integrity of seeds across the nation by conducting tests for purity, germination, and noxious weed examination. Apply today here: http://bit.ly/3Id76As
2 months ago
AOSA and SCST

The Washington State Department of Agriculture is hiring a Viability Seed Laboratory Supervisor in Yakima! In this key leadership role, you’ll supervise lab operations, mentor staff, ensure testing quality, and shape the future of our state’s seed industry. If you’re experienced in laboratory science and passionate about agriculture, learn more and apply today: agr.wa.gov/about-wsda/employment ... See MoreSee Less

The Washington State Department of Agriculture is hiring a Viability Seed Laboratory Supervisor in Yakima! In this key leadership role, you’ll supervise lab operations, mentor staff, ensure testing quality, and shape the future of our state’s seed industry. If you’re experienced in laboratory science and passionate about agriculture, learn more and apply today: https://agr.wa.gov/about-wsda/employment
3 months ago
AOSA and SCST

Happy Labor Day! Today we celebrate the workforce that powers progress across industries and communities. ... See MoreSee Less

Happy Labor Day! Today we celebrate the workforce that powers progress across industries and communities.
3 months ago
AOSA and SCST

The Washington State Department of Agriculture (WSDA) is currently hiring a Viability Seed Laboratory Supervisor in Yakima, WA. This position leads laboratory staff, oversees seed testing and certification, and ensures compliance with national and international standards that protect the state’s seed industry. If you are a seed science professional with lab leadership experience, we encourage you to apply: bit.ly/4fLNQ9w ... See MoreSee Less

The Washington State Department of Agriculture (WSDA) is currently hiring a Viability Seed Laboratory Supervisor in Yakima, WA. This position leads laboratory staff, oversees seed testing and certification, and ensures compliance with national and international standards that protect the state’s seed industry. If you are a seed science professional with lab leadership experience, we encourage you to apply: http://bit.ly/4fLNQ9w
5 months ago
AOSA and SCST

Happy Fourth of July! Celebrating independence, discovery, and a future rooted in seed science and innovation. ... See MoreSee Less

Happy Fourth of July! Celebrating independence, discovery, and a future rooted in seed science and innovation.
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AOSA | SCST

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All seed certification activities are administered by individual agencies who are members of AOSCA, the Association of Official Seed Certification Agencies. For more information on the importance of varietal purity, identity and the certification of field crops, turf grasses, vegetables, fruits, vegetatively propagated species, woody plants and forbs.

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