Caithness Potato Breeders Ltd

Brigade House
Brigade Street
Blackheath
London
SE3 0TW
Great Britain

Telephone: +44 (0)20 8297 1020  —  Fax: +44 (0)20 8297 2125  —  Email: [javascript protected email address]

Varieties Bred

Name Image Marketing Qualities
Argos  Argos is a variety well adapted to production in hot climates, where it produces very high yields of long oval white tubers, usually out yielding the variety Spunta.
Celine  Celine is an early variety giving high numbers of smooth red skinned tubers with light yellow flesh and good cooking quality. Susceptible to late blight on foliage. It has good resistance to common scab, powdery scab, potato leafroll virus and potato virus Yo. Resistant to potato cyst nematode Globodera rostochiensis Ro1 and partially resistant to Globodera pallida Pa2/3,1.
Harmony  Harmony is ideally suited to the UK washing market, giving very high yields of bold bright tubers with low levels of outgrades. It has excellent storage characteristics with long natural dormancy and resistance to black dot, skin spot and bruising. Susceptible to Dry rot Fusarium sulphureum Powdery scab, silver scurf and potato virus Yo.
Kestrel  Kestrel gives good yields of very attractive, long oval, parti-coloured tubers which have good all round cooking quality. It has good chipping potential, particularly early in the season.
Lulu  Tubers have some resistance to splitting and excellent resistance to bruising.  Trials have found good resistance to late blight on tubers, powdery scab, common scab, blackleg and Potato Virus Yo.  This variety has low resistance to dry rot (Fusarium sulphureum).  Tests for resistance to potato cyst nematode demonstrated resistance to Globodera rostochiensis Ro1 and susceptibility to Globodera pallida Pa 2/3, 1.
Maxine  Maxine is a variety giving high yields of bold, red skinned tubers. Flesh colour is very white with firm cooking properties. Good drought resistance. Susceptible to late blight on tubers and common scab. Tests show resistance to powdery scab, Blackleg and bruising. Resistant to potato cyst nematode Globodera rostochiensis Ro1.
Merlin  Merlin gives a very high yield of bold parti-coloured tubers of good all round cooking quality. It has good drought and heat tolerance making it ideally suited to production in countries such as Spain or the Canary Islands.
Mimi  Mimi produces very high numbers of round red skinned tubers of very high quality. Tubers are very regular and flesh is medium yellow with very consistent cooking characteristics. Plants are small and demand fairly professional agronomy to achieve best field results. Resistance to late blight on tubers, powdery scab, common scab and potato leafroll virus. Tests show that this variety is resistant to Bruising and potato cyst nematode Globodera rostochiensis Ro1.
Nadine  Nadine produces very high yields of bright attractive tubers, making it ideal for pre-packing. In favourable conditions it is indisputably the highest yielding variety in the UK. shows susceptibility to Dry rot Fusarium sulphureum , powdery scab, blackleg and potato leafroll virus. Tests show Blackleg, skin spot, common scab, potato virus Yo and bruising. Resistant to potato cyst nematode Globodera rostochiensis Ro1 and susceptible to globodera pallida Pa2/3,1.
Osprey  Osprey produces good yields of bold bright tubers of good all round cooking quality. It shows resistance to potato virus Yo, splitting and is resistant to Blackleg. Tests show susceptibility to potato cyst nematode Globodera pallida Pa2/3,1.
Stemster  Stemster gives a high yield of bold, red skinned tubers and shows good drought and heat tolerance and has light yellow flesh. Susceptible to potato leafroll virus. Shows resistance to potato virus Yo and bruising. When tested for resistance to potato cyst nematode, showed susceptibility to Globodera pallida Pa2/3,1 and resistant to Globodera rostochiensis Ro1.
Stroma  Stroma gives a good yield of attractive red skinned tubers. It has good resistance to common and powdery scab, partial PCN resistance and worthwhile resistance to blight. Flesh colour is yellow.
Swift  'The earliest early'! Swift is an exceptionally early maturing variety, producing good yields of attractive medium sized tubers. Cooking quality and skin finish are also good. Susceptible to late blight on tubers. Tests show resistance to common scab, potato virus Yo, bruising and splitting.
Upmarket  Trials have found good resistance to common scab, blackleg, black dot, silver scurf, skin spot and common scab.  This variety has low resistance to late blight on tubers and potato leafroll virus.  Tests for resistance to potato cyst nematode demonstrated resistance to Globodera rostochiensis Ro1 and susceptibility to Globodera pallida Pa 2/3, 1.
Valor  Valor produces high yields of bold white tubers of good all round cooking quality. It is highly adapted to a wide range of growing environments. It has very high tolerance of heat and drought. Susceptible to potato virus Yo. Resistance to late blight on tubers, bruising and splitting. When tested for resistance to potato cyst nematode, this variety showed susceptible to Globodera pallida Ps2/3,1 and resistant to Globodera rostochiensis Ro1.
Verity  Verity is a late maturing variety giving good yields of parti-coloured tubers of good all round cooking quality. Verity has resistance to tuber blight and blackleg. Susceptibility to potato virus Yo and both potato cyst nematode Globodera rostochiensis Ro1 , globodera pallida Pa2/3,1
Winston  Winston is a very early variety, giving good yields of bold white tubers within a very short growing season. It has good drought and heat tolerance, resistance to potato virus yo and bruising. When tested for resistance to potato cyst nematode, this variety showed susceptibility to Globodera pallida Pa2/3,1 and resistant to Globodera rostochiensis Ro1.

Varieties Managed

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