Cleo Culynne Manuel-Rayners
Certificate of Completion
This is to acknowledge
for attending the webinar
Demonstrating knowledge of ISTA tetrazolium testing methods for cereals and grasses, including barley, wheat, oats, Festuca spp., Lolium spp., and Poa spp.
ISTA Tetrazolium Technical Committee Chair
ISTA Secretary General
Dr. Andreas Wais
Sergio Pasquini
ISTA Tetrazolium Committee Webinar on Cereals and Grasses
4 November, 2025
Presented by the International Seed Testing Association (ISTA)
Issued to
Cleo Culynne Manuel-Rayners
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Credential Verification
Issue date: November 4, 2025
ID: 0c0ae45b-6807-415d-8ca6-5cac81f04c8e
Issued by
International Seed Testing Association
Type
Webinar
Description
This webinar offered a comprehensive exploration of the ISTA tetrazolium testing methods for cereals and grasses, including barley, wheat, oats, Festuca spp., Lolium spp., and Poa spp..