Resistance Key
- S: Susceptible
- R: Resistant
- PR: Partially Resistant
- QG: Quite Good
( ) Based on limited data.
F.c. Fusarium coeruleum
F.s. Fusarium sambucinum
Variety descriptions are in alphabetical order. Information is also given
on the breeder and on the name of the agent.
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Accent
(First Early)
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S Hartens, Netherlands;
Potato Innovations Ltd
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Tubers oval with yellow skin.
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Slow initiation. High yield potential.
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Moderately resistant to tuber blight and common scab. Susceptible to foliage blight. Resistant to potato cyst eelworm, G. rostochiensis.
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Low dry matter, cooked flesh colour light yellow.
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Accord
(First Early)
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Meijer Research BV, Netherlands;
Potato Innovations Ltd
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Tubers round oval with cream skin and shallow eyes.
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Early bulking with high yield potential, producing large tubers.
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Resistant to leaf roll virus and moderately resistant to common scab. Susceptible to foliage blight and virus Y. Resistant to potato cyst eelworm, G. rostochiensis, and partially resistant to G. pallida.
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Medium dry matter, cooked flesh colour cream.
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May be suitable for crisping.
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Chipping - fry colour: golden, variation in fry colour: uniform, internal discolouration: slight.
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Amora
(First Early)
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Schaap;
Potato Innovations Ltd
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Early bulking, producing large tubers. Moderate yield potential. Prone to misshapen tubers.
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Very little information on resistance to diseases and pests available.
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Medium dry matter, cooked flesh colour yellow.
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Chipping - fry colour: golden, consistency of fry colour: variable, internal discolouration: slight.
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Arran Comet
(First Early)
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Mackelvie;
SOAFD
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Tubers long oval with white skin.
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High yield potential. Prone to defects: growth cracking, misshapen and mechanically damaged tubers.
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Susceptible to virus Y.
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Low dry matter, cooked flesh colour cream. Susceptible to after-cooking blackening.
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Ballydoon
(First Early)
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McGill and Smith LTD;
Generally Available
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A second early variety included in the first early trials.
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Moderately resistant to leaf roll virus. Susceptible to foliage blight.
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Medium dry matter, cooked flesh colour yellow.
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May be suitable for crisping.
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British Queen
(First Early)
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A. Findlay;
Generally Available
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A second early variety included in the first early trials.
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Moderate yield potential, slow tuber initiation and late bulking. Small tubers in the earliest harvest but later producing many tubers. Few defects.
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Moderately resistant to dry rot. Susceptible to foliage and tuber blight and leaf roll virus.
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Medium dry matter, cooked flesh colour cream.
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Casablanca
(First Early)
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Cygnet Potato Breeders;
Same as breeder
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Tubers short-oval with white skin and shallow eyes.
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Very high yield potential with few defects.
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Resistant to blackleg and moderately resistant to common scab, virus Y and leaf roll virus but susceptible to foliage and tuber blight. Resistant to potato cyst eelworm, G. rostochiensis.
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Medium dry matter, cooked flesh colour light yellow.
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Chipping - fry colour: golden, consistency of fry colour: uniform, internal discolouration: slight.
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Colleen
(First Early)
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Teagasc;
Irish Potato Marketing
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Tubers round-oval with white skin and shallow-medium eyes.
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Early bulking with very high yields, producing large tubers. Prone to mechanical damage.
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Moderately resistant to tuber blight, common scab and virus Y. Susceptible to leaf roll virus.
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Medium dry matter, cooked flesh colour light yellow.
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Concorde
(First Early)
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Konst, Netherlands;
Same as breeder
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Tubers long oval to kidney, pointed at the heel and sometimes hooked, with white skin and medium-shallow eyes.
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Early bulking with high yield potential.
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Resistant to virus Y but susceptible to tuber blight and gangrene. Resistant to potato cyst eelworm, G. rostochiensis.
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Medium dry matter, cooked flesh colour yellow.
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Dundrod
(First Early)
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John Clarke;
R Cherry
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Tubers round-oval to oval with white skin and shallow-medium eyes.
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Early bulking with high yields. Few defects.
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Moderately resistant to virus Y. Susceptible to foliage and tuber blight and blackleg. Resistant to potato cyst eelworm, G. rostochiensis.
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Medium dry matter, cooked flesh colour cream.
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Emma
(First Early)
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Teagasc;
Irish Potato Marketing
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Tubers oval-round with white skin and shallow-medium eyes.
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Early bulking with very high yield potential. Few defects.
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Resistance to most diseases and pests not available.
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Low dry matter, cooked flesh colour yellow.
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Chipping - fry colour: golden, consistency of fry colour: uniform, internal discolouration: slight.
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Home Guard
(First Early)
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McGill and Smith;
Generally Available
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Tubers short oval with white skin and medium eyes.
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Moderate yield potential.
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Moderately resistant to common scab and gangrene. Susceptible to tuber blight.
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Medium dry matter, cooked flesh colour cream. Susceptible to after-cooking blackening.
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Chipping - fry colour: golden, consistency of fry colour: uniform, internal discolouration: severe.
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Lady Christl
(First Early)
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Meijer Research BV, Netherlands;
Potato Innovations
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Tubers oval to long oval with white skin and shallow eyes.
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Low yield potential. Prone to misshapen tubers.
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Resistant to virus Y and moderately resistant to common scab. Susceptible to foliage blight, powdery scab, leaf roll virus, skin spot and dry rot (F. coeruleum). Resistant to potato cyst eelworm, G. rostochiensis.
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Low dry matter, cooked flesh colour deep yellow with a tendency to have off-flavours.
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Lady Felicia
(First Early)
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Meijer Research BV, Netherlands;
Potato Innovations
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Oval to long oval tubers with yellow skin and medium eyes.
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Slow initiation. Moderate yield potential. Small tubers in the earliest harvest but later producing many tubers. Prone to growth cracking.
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Resistant to virus Y and moderately resistant to common scab and leaf roll virus. Susceptible to foliage and tuber blight and blackleg. Resistant to potato cyst eelworm, G. rostochiensis.
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Low dry matter, cooked flesh colour yellow.
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Chipping - fry colour: light, consistency of fry colour: uniform, internal discolouration: slight.
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Maris Bard
(First Early)
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PBIC;
Generally Available
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Tubers short oval with white skin and shallow eyes.
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Early tuber initiation and early bulking with moderate yield potential.
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Susceptible to foliage and tuber blight.
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Medium dry matter, cooked flesh colour white-cream.
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Maris Peer
(First Early)
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PBIC;
Generally Available
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A second early variety included in the first early trials.
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Very low yielding and very slow tuber initiation, producing small tubers which were few in number in the earliest harvest. Few defects.
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Moderately resistant to gangrene. Susceptible to virus Y.
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Medium dry matter, cooked flesh colour cream.
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Orla
(First Early)
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Teagasc;
Irish Potato Marketing
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Tubers oval to long oval with white-cream skin and shallow eyes.
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Slow initiation. High yield potential.
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Resistant to tuber blight and virus Y and moderately resistant to blackleg.
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Low dry matter, cooked flesh colour light yellow.
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Chipping - fry colour: golden, consistency of fry colour: variable, internal discolouration: slight.
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Pentland Javelin
(First Early)
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SCRI;
Cygnet
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Tubers short oval with white skin.
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Moderate yield potential.
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Resistant to virus Y and moderately resistant to common scab but susceptible to tuber blight. Resistant to potato cyst eelworm, G. rostochiensis.
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Medium dry matter, cooked flesh colour white.
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Premiere
(First Early)
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Brands;
Agrico
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Tubers oval with yellow skin and shallow eyes.
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Low yield potential.
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Very susceptible to blackleg and susceptible to foliage blight and virus Y. Resistant to potato cyst eelworm, G. rostochiensis.
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Medium dry matter, cooked flesh colour light yellow.
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Chipping - fry colour: golden, consistency of fry colour: variable, internal discolouration: slight.
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Riviera
(First Early)
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Boerhave;
Agrico
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Tubers oval with white skin and shallow/medium eyes.
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Early tuber initiation and very early bulking and high yield potential, producing large tubers. Few defects.
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Resistant to virus Y but susceptible to foliage blight and gangrene and very susceptible to tuber blight. Resistant to potato cyst eelworm, G. rostochiensis.
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Very low dry matter, cooked flesh colour light yellow with a tendency to have off-flavours.
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Chipping - fry colour: dark, consistency of fry colour: variable, internal discolouration: slight.
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Rocket
(First Early)
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PBIC;
Cygnet
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Tubers round, indented at the heel, with white skin and medium shallow eyes.
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Early tuber initiation and early bulking and high yield potential, producing large tubers. Prone to growth cracking and mechanical damage.
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Susceptible to foliage and tuber blight and gangrene. Resistant to potato cyst eelworm, G. rostochiensis, and partially resistant to G. pallida.
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Low dry matter, cooked flesh colour white-cream.
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Sarpo Una
(First Early)
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Sarvari Research Trust;
Same as breeder
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Tubers long-oval with red skin and very shallow - shallow eyes.
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Slow initation. Low yield potential. Small tubers.
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Resistant to virus Y and moderately resistant to foliage blight. Susceptible to dry rot, F. coeruleum.
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Medium dry matter, cooked flesh colour white.
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Chipping - fry colour: dark golden, consistency of fry colour: uniform, internal discolouration: slight.
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Swift
(First Early)
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Caithness Potato Breeders Ltd;
Same as breeder
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Tubers round/oval with thick white skin and shallow-medium eyes.
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Very low yield potential, producing many tubers. Prone to mechanical damage.
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Resistant to virus Y and moderately resistant to common scab and blackleg but susceptible to tuber blight.
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Very low dry matter, cooked flesh colour cream.
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Winston
(First Early)
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Caithness Potato Breeders Ltd;
Same as breeder
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Tubers oval to round with white skin and shallow-medium eyes.
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Early bulking with high yield potential, producing large tubers. Many defects, prone to growth cracking and mechanical damage.
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Resistant to virus Y and moderately resistant to blackleg. Resistant to potato cyst eelworm, G. rostochiensis.
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Very low dry matter, cooked flesh colour cream.
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