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SEED TESTING INTERNATIONAL APRIL 2026
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Inside Cover: 
Mountain ash 
(Sorbus aucuparia), 
a tree easily be 
found in Calgary, 
Alberta. Just 
look for it, when 
you join us at the 
Annual Meeting.
CONTENTS
Accreditation
Journey to Re-Accreditation for the Kyrgyz Central Seed Expertise 	
	
Laboratory 41
First in Hainan! Yazhou Bay Seed Quality Testing Center Obtains 	
	
ISTA Accreditation 45
Laboratory Accreditation Changes 46
Seed Science
Seasoned@ISTA 48
Young@ISTA 49
Training and Education
ISTA Workshop on Purity, Other Seed Determination and Moisture Analysis 50
ISTA Workshop on Quality Assurance and ISTA Accreditation for Beginners 52
ISTA Workshop on Seed Germination and Vigour 54
ISTA Workshop: on Purity and Other Seed  Determination 55
Dr Stan Matthews Honoured at Germination and Vigour 	
	
	 Workshop in Angers 21
A Tribute to Stan Matthews from the ISTA Vigour Committee 22
New ISTA Members 23
Rules Development
A New Method for Breaking Dormancy  in Sunflower Seeds 24
Method Validation Report for Application of the Radicle Emergence 	
	 Test to Allium cepa 27
A Reliable Cold Test Method to Identify Differences in Vigour of  
	 Zea mays 30
Validation Study for Tetrazolium Viability Test for Glycine max 33
Validation of a New Method for a ‘Microsatellite Marker Analysis for 	
	 Barley Variety Verification’ 34
Validation Study for Detection of Fusarium Species on  
	 Cereal Seeds 36
Inter-Laboratory Reproducibility of Water Activity Measurements 39

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