The British Potato Variety Database

Pentland Javelin

Scottish Seed Stocks

English Seed Register

Parentage

2639ab2 x 11-79

Breeder	James Hutton Institute
Breeder's Agent	GB Seed Industry

First early maturity, high yielding but tendency to bulk late. High resistance to potato virus Yo and good resistance to splitting and bruising. Resistant to potato cyst nematode Globodera rostochiensis Ro1. Moderately susceptible to tuber blight and spraing. Medium to low dry matter with firm cooked texture and good boiling quality.

Tuber characteristics
Smoothness of skin		Smooth
Shape of tuber		Short - oval
Depth of eyes		Very shallow - shallow
Colour of skin		Cream
Colour of flesh		Cream

Botanical description
Maturity		First Early
Height of plants		Medium
Frequency of berries		Absent
Colour of flower		White
Colour of base of lightsprout		Pink

Resistance to Damage, Pests and Diseases	Low	.	.	.	.	.	.	.	High
Dry rot ( Fusarium coeruleum )	.	.	3
Late blight on foliage ( Phytophthora infestans )	.	.	.	4
Late blight on tubers ( Phytophthora infestans )	.	2
Skin spot ( Polyscytalum pustulans )	.	.	3
Blackleg ( Pectobacterium atrosepticum )	.	.	.	.	5
Common scab ( Streptomyces scabiei )	.	.	.	.	.	6
Potato Cyst Nematode ( Globodera pallida Pa 2/3, 1 )	.	2
Potato Cyst Nematode ( Globodera rostochiensis Ro1 )	.	.	.	.	.	.	.	.	9
Potato Leafroll Virus	.	.	.	4
Potato Virus Yo	.	.	.	.	.	.	.	8
Bruising	.	.	.	.	.	.	7
Splitting	.	.	.	.	.	.	7

Results of National List and Potato Council Independent Variety Trials