They were officially launched on 14 August at the trust's open day, where visitors were shown around Sárvári's trails at Henfaes, and on a farm on Anglesey.
They are being dubbed by the trust as "low carbon" varieties as their high resistance to blight and other diseases and pests means that they require fewer chemical treatments and are suitable for organic growing.
Director of research David Shaw said: "People often find it a desperate struggle to grow healthy potatoes organically — they just cannot do it. But what we have are potatoes that can stand on their own two feet."
See this week's Grower for more details.
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