The British Potato Variety Database

Blue Danube

Parentage

78.139.25 x VK.69.491

Breeder	Sárvári Research Trust
Breeder's Agent	International Potato Company
Plant Breeders Rights (expire)	2039

Tubers have some resistance to bruising and splitting. Trials have found good resistance to blackleg, skin spot, potato virus Yo , black scurf, dry rot and potato leafroll virus.. This variety has low resistance to dry rot. Tests for resistance to potato cyst eelworm demonstrated resistance to Globodera rostochiensis Ro1 and susceptibility to Globodera pallida Pa 2/3, 1.

Tuber characteristics
Smoothness of skin		Medium
Shape of tuber		Oval
Depth of eyes		Medium
Colour of skin		Blue
Colour of flesh		White

Botanical description
Maturity		Maincrop
Height of plants		Tall
Colour of flower		Violet
Colour of base of lightsprout		Blue

Resistance to Damage, Pests and Diseases	Low	.	.	.	.	.	.	.	High
Black dot ( Colletotrichum coccodes )	.	.	.	.	.	6
Black scurf ( Rhizoctonia solani )	.	.	.	.	.	.	.	.	9
Dry rot ( Fusarium coeruleum )	.	.	.	.	.	.	.	.	9
Dry rot ( Fusarium sulphureum )	1
Late blight on foliage ( Phytophthora infestans )	.	.	.	.	5
Late blight on tubers ( Phytophthora infestans )	.	.	3
Powdery scab ( Spongospora subterranea )	.	.	.	.	.	6
Silver scurf ( Helminthosporium solani )	.	.	3
Skin spot ( Polyscytalum pustulans )	.	.	.	.	.	.	.	8
Blackleg ( Pectobacterium atrosepticum )	.	.	.	.	.	.	7
Common scab ( Streptomyces scabiei )	.	.	3
Potato Cyst Nematode ( Globodera pallida Pa 2/3, 1 )	.	.	3
Potato Cyst Nematode ( Globodera rostochiensis Ro1 )	.	.	.	.	.	.	.	8
Potato Leafroll Virus	.	.	.	.	.	.	.	.	9
Potato Virus Yo	.	.	.	.	.	.	.	8
Bruising	.	.	.	.	5
Splitting	.	.	.	.	5

Results of National List and Potato Council Independent Variety Trials