Technical Working Party on Testing Methods and Techniques (TWM/4)

Fourth Session

June 2 to June 5, 2026 (Cambridge, United Kingdom)

Meetings by Topic > Technical Working Party on Testing Methods and Techniques

TWM/3 >> TWM/4

Meeting Documents

Code Title(s) File(s)
TWM/4/1 REV. Revised draft agenda
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TWM/4/3 Minimum distance of varieties
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TWM/4/4 Revision suggestions on document TGP/8 “Trial design and techniques used in the examination of Distinctness, Uniformity and Stability”
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TWM/4/5 Work on molecular techniques in relation to DUS examination in Ukraine and short report of software and statistical analysis methods for DUS examination
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TWV/60/7-TWM/4/6 Progress in the use of molecular markers to support tomato DUS testing at Naktuinbouw
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TWM/4/7 New developments in the use of DNA techniques for PBR enforcement in Peru
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TWM/4/8 Phenotyping and image analysis at Naktuinbouw
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TWM/4/9 CPVO R&D activities
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TWM/4/10 Public-private partnership, a Brazilian experience
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TWM/4/11 United Kingdom software innovations: DUST and COYUs
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TWM/4/12 Guidance on extrapolation when using Combined Over-Years Uniformity (COYU)
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TWM/4/13 Construction and application of molecular fingerprint databases for vegetable varieties
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TWM/4/14 Kora: digital management of variety collection
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TWM/4/15 Comparison of COYU method
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TWM/4/16 DUS Pheno/Geno database
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TWM/4/17 Exploring the use of genomic prediction approaches for variety collection management in barley
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TWM/4/18 Artemis: Digital solutions for climate-resilient agriculture
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TWM/4/19 Image Analysis in DUS Testing
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TWM/4/20 The OIV key actions on Grapevine Genetic Resources and the Publication of the 3rd edition of the OIV ampelographic descriptors
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TWM/4/21 Development of molecular marker panels for variety registration and trade control
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TWM/4/22 Development of an image-based test for soybean variety identification
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TWM/4/23 Update on the activities of the ISTA Variety Committee (VARCOM)
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TWM/4/24-TWA/55/8 Exploring the potential use of UPOV model Combining Phenotypic and Molecular Distances in the Management of Variety Collections for Bread wheat in France
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TWM/4/25 A strategy to establish Genetic Similarity (GS) thresholds to support Essentially Derived Variety (EDV) evaluation: Breeder perspectives on process
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TWM/4/26 CPVO co-funded project: International validation of a SNP marker set for Tomato DUS testing
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TWM/4/27 OECD Seed Schemes: Recent developments in the application of Biochemical and Molecular Techniques “Towards enhanced OECD / ISTA/ UPOV cooperation”
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TWM/4/28 Comparison of software for COYD, U
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TWP/10/1 Development of guidance and information materials
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TWP/10/2 Notification of additional characteristics and states of expression
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TWP/10/3 Measures to improve support provided for DUS examination
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TWP/10/4 Molecular Techniques
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TWP/10/4 ADD. Addendum to: Molecular techniques
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TWP/10/5 Technical Questionnaire, section 4.2: “Method of propagating the variety”
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TWP/10/6 Report on developments in UPOV
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TWP/10/6 ANNEX, PART A Report on developments in UPOV, Annex Part A
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TWP/10/6 ANNEX, PART B Report on developments in UPOV, Annex Part B
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