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Many new potato varieties are bred each year. In order to be eligible for marketing as seed potatoes, a variety must undergo 2 years of official trialling before it can be accepted on to the National List of an EU Member State and then automatically on to the Common Catalogue which is a compilation of EU National Lists. A guide to UK National Listing of Varieties may be obtained from the Plant Variety Rights Office or from the National Listing page on the fera website.
National List trialling involves testing for Distinctness, Uniformity and Stability (DUS) and Value for Cultivation and Use (VCU). The emphasis for potato VCU is on resistance to diseases and defects important in potato production in the UK. SASA is the main centre for official potato variety testing in the UK, being responsible for DUS testing as well as the VCU testing in conjunction with NIAB. This official testing is also co-ordinated with Independent Variety Trialling funded by industry through Potato Council Ltd to ensure effective use of resources and maximisation of independent information for industry.
If independent testing is required by commercial customers, tests can be modified accordingly.
Disease, pest and damage susceptibility ratings obtained during National List Trials for new varieties are available on the AHDB Potatoes' Potato Variety Database together with results from Independent Variety Trial tests. Additional information on these varieties may also be found on the European Cultivated Potato Database.
For further information please contact Heather Campbell Tel: 0131 244 8938 or e-mail firstname.lastname@example.org
See the Potato Training Courses page for information on courses available from SASA.
View a list of publications in this area.