Technical Working Party for Ornamental Plants and Forest Trees (TWO/57)
Fifty-Seventh Session
March 31 to April 3, 2025 (Roelofarendsveen, Netherlands (Kingdom of the))
Meetings by Topic 
Technical Working Party for Ornamental Plants and Forest Trees
Technical training videos
Download all documents: EN FR ES DE
Meeting Documents
| Code | Title(s) | File(s) |
|---|---|---|
| TWO/57/1 REV. | Revised draft agenda |  EN  EN |
| TWO/57/2 | Reports on Developments in Plant Variety Protection from Members and Observers | EN EN |
| TWO/57/3 | Partial revision of the Test Guidelines for Dianthus | EN EN |
| TWO/57/4 | Report on court cases dealing with technical matters | EN |
| TWO/57/5 | Harnessing molecular data to support DUS testing in ornamentals: a case-study on Hydrangea | EN EN |
| TWO/57/5 ADD. | Addendum to: Harnessing molecular data to support DUS testing in ornamentals: a case-study on Hydrangea | EN |
| TWO/57/6 | Experiences with new types and species | EN |
| TWO/57/7 | Proposal for a Revision of documents TGP/9/2 (Examining Distinctness) and TGP/10/2 (Examining Uniformity) | EN EN |
| TWO/57/8 | The value and reliability of botanical names in ornamentals | EN |
| TWO/57/9 | Matters to be resolved concerning Test Guidelines put forward for adoption by the Technical Committee: Poinsettia | EN EN |
| TWP/9/1 | Procedures for DUS examination | EN EN |
| TWP/9/2 | UPOV Information databases | EN EN |
| TWP/9/3 | Test Guidelines: support for drafters; additional characteristics; and methods of propagating the variety | EN EN |
| TWP/9/4 | Guidelines for the validation of a new characteristic-specific molecular marker protocol as an alternative method for observation | EN EN |
| TWP/9/5 | Proposal for a revision of document TGP/7 “Development of Test Guidelines”, GN 28 “Example Varieties” | EN EN |
| TWP/9/6 | Confidentiality of molecular information | EN |
| TWO/57/10 | Report | EN EN |
Test Guidelines
| Code | Title(s) | File(s) |
|---|---|---|
| TG/GINKG_BIL(PROJ.3) CORR. | Ginkgo (Ginkgo biloba L.) | EN EN |
| TG/HELLE(PROJ.1) CORR. | Hellebore (Helleborus L.) | EN EN |
| TG/MAGNO(PROJ.6) CORR. | Magnolia (Magnolia L.) | EN EN |
| TG/NELUM(PROJ.3) CORR. | Lotus (Nelumbo Adans.) | EN EN |
| TG/24/7(PROJ.4) | Poinsettia (Euphorbia pulcherrima Willd. ex Klotzsch; Euphorbia pulcherrima Willd. ex Klotzsch × Euphorbia cornastra (Dressler) Radcl.-Sm.) | EN FR ES DE EN FR ES DE |
| TG/42/7-TG/140/5(PROJ.1) CORR. | Rhododendron, Azalea (Rhododendron L.) | EN EN |
| TG/177/4(PROJ.2) CORR. | Zantedeschia (Zantedeschia Spreng.) | EN EN |
TGP Documents
| Code | Title(s) | File(s) |
|---|---|---|
| TGP/5 SECTION 6/5 DRAFT 1 | Experience and cooperation in DUS testing: UPOV Report on Technical Examination and UPOV Variety Description | EN EN |