Technical Working Party for Ornamental Plants and Forest Trees (TWO/58)

Fifty-Eighth Session

July 6 to July 9, 2026 (Geneva, Switzerland)

Meetings by Topic > Technical Working Party for Ornamental Plants and Forest Trees

TWO/57 >> TWO/58

Meeting Documents

Code Title(s) File(s)
TWO/58/1 Draft agenda
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TWO/58/3 Chrysanthemum petal color test by image analysis method
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TWO/58/5 Consideration on the use of spectrophotometer to the color evaluation in DUS testing
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TWO/58/6 New Peony types and varieties – proposed revision of TG/297/1
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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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Test Guidelines

Code Title(s) File(s)
TG/42/7-TG/140/5(PROJ.2) Rhododendron, Azalea (Rhododendron L.) (Revision)
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TG/177/4(PROJ.3) Zantedeschia (Zantedeschia Spreng.) (Revision)
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TG/192/2(PROJ.1) Ornamental Apple (Malus Mill. except Malus domestica (Suckow) Borkh.) (Revision)
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TG/GINKG_BIL(PROJ.4) Ginkgo (Ginkgo biloba L.)
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TG/HELLE(PROJ.2) Hellebore (Helleborus L.)
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TG/MAGNO(PROJ.7) Magnolia (Magnolia L.)
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TG/NELUM(PROJ.4) Lotus (Nelumbo Adans.)
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