Alaska


Genetic origin : Mondial X I.N.R.A. 79.84.88
Breeder(s) : BRETAGNE PLANTS - (FRANCE)
Registered in the French official catalogue 1999
Category : Ware potato
Maturity : Early to medium-early
Code Gnis : 2318



Tuber : Long oval, not very deep eyes, yellow skin, yellowish-white flesh .

Sprout : Purplish red, cylindrical broad, medium to dense hairiness.

Plant : Medium to high, semi-upright habit, leafy type.

Stem : None or very weak to weak pigmentation.

Leaf : Medium green, semi-glossy, strongly to moderately divided, half-opened; medium to broad leaflet , oval.

Flowering : Not very abundant.

Flower : White, flower bud slightly to moderately pigmented.

Fruit : Absent or rare.






Yield : 115 % of (Sirtéma + Bintje) / 2.

Grading : Proportion of large tubers: high to very high.

Susceptibility to diseases :
Leaf blight : susceptible.
Tuber blight :
Black wart : not attacked.
Common scab : fairly susceptible.
Virus X : resistant.
Virus A : susceptible.
Virus Y : susceptible.
Leaf roll : susceptible.
Nematode RO 1-4 : resistant.

Internal tuber defects  : Fairly susceptible to rust spots, slightly susceptible to hollow heart, susceptible to black spots.

Susceptibility to desprouting : Moderately susceptible.

Susceptibility to bruising : Susceptible.

Dormancy period : Fairly long.

Culinary quality : Table-use group B, very slight blackening after cooking, fry colour :

Dry matter content : Low.

Keeping quality : Medium to fairly good.