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2023 SCST RGT/CGT Examination Date Scheduled

Dear SCST Members, The RGT Board of Examiners will be offering the RGT/CGT exam at SGS-Brookings on September 22nd at 9:00 am CDT.Applications to take this exam are due September 1st, 2023. Exam applications can be found on the AOSA/SCST website HERE.Please submit applications to the Executive Director at the following…

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AOSA-SCST Consolidated Exam Committee UPDATES

Dear AOSA & SCST Members, The AOSA and SCST Consolidated Exam Committee would like to announce that we have updated the exam application, the re-examination application and the Consolidated Exam Content Information.  Additionally, we have updated the Herbarium Voucher form that had been used by SCST applicants and is now…

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2023-2024 AOSA/SCST Seed Count Proficiency Test Summary

Dear AOSA & SCST Members, Thank you to everyone for completing the seed count round of the proficiency test by the deadline.  It makes the jobs of the proficiency committee much easier. Please find the results of the proficiency test HERE.As a reminder the second proficiency test over sample processes is…

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2022-2023 AOSA/SCST Seed ID Proficiency Test Summary

Dear AOSA & SCST Members, Now that we finally have the last laboratory complete the Seed Identification Proficiency Test, please find the analysis of the results.  Also, in the file you will find a list of the seeds that were in each set. * Please click HERE to view the analysis of the results. *As…

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In Loving Memory of Denny Hall Jr

Denny Hall JrDecember 1, 1953 ~ July 5, 2023 Denny Hall passed away after a 2 year battle with cancer.  He was at his home in Powell Wyoming with his wife Jackie and sister Patty Mayfield by his side. He was born on December 1, 1953 to Donna and Denny…

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2023-2024 AOSA/SCST Proficiency Test First Round Deadline

Dear AOSA & SCST Members, This is your first reminder about the nonmechanical seed count proficiency test.  This is the first exercise for the 2023-2024 proficiency testing year that was sent out with the seed count hands on exercise for 2022-2023.  This exercise is due August 1st and the deadline will approach…

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2023 STRF Call Proposals


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REMINDER! TZ Image Surveys: Poaceae Family

Dear AOSA & SCST Members, Within two short weeks we have approximately 15-20 respondents for each of the Poaceae surveys.  Please don’t forget to participate as you have time.  We greatly appreciate the assistance.  The addition of these photos to the TZ Handbook has definitely increased it’s value.  Please take…

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Webinar on PCR Master Mix Calculation 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 Home page under CE Webinars & Practice Exams OR the Teaching and Training Committee page.  You may also go directly to the page by clicking on the link below.AOSA / SCST Teaching and…

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2023 AOSA/SCST 2nd Examination Date

Applications for examination are now being accepted for the following dates: August 17 & 18, 2023 The USDA Seed Regulatory and Testing Division will be hosting the AOSA/SCST exams Gastonia, NC in conjunction with their annual Seed School, August 14-16, 2023. The Purity exams will be administered August 17th and Germination exams…

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