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Rose Gold Fingerling

Potato

Denomination: 'Rose Gold Fingerling'
Previously Proposed Denomination: 'Irish Rose Gold Fingerling'
Botanical Name: Solanum tuberosum
Applicant/Holder: Irish Potato Breeders
168 Seapark
Malahide
County Dublin
Ireland
Breeder: Darwinkel J., Aardappelkweekbedrijf, Langelo, Netherlands
Agent in Canada: Global Agri Services Inc.
376 New Maryland Highway
New Maryland, New Brunswick
E3C 1E5
Canada
Tel: 506-462-9493
Application Date: 2016-10-03
Application Number: 16-9026
Grant of Rights Date: 2019-01-10
Certificate Number: 5896
Grant of Rights Termination Date: 2039-01-10

Variety Description

Variety used for comparison: 'Pink Fir Apple'

Summary: The size of the lightsprout for 'Rose Gold Fingerling' is medium whereas it is very small to small for 'Pink Fir Apple'. The lightsprout for 'Rose Gold Fingerling' has a medium number of root tips whereas there are few root tips on the lightsprout for 'Pink Fir Apple'. The plants of 'Rose Gold Fingerling' have a semi-upright growth habit whereas the plants of 'Pink Fir Apple' have an upright growth habit. The midrib of the upper side of the leaf blade of 'Rose Gold Fingerling' has a medium extent of weak anthocyanin colouration whereas there is a high extent of a medium intensity of anthocyanin coloration on the midrib for 'Pink Fir Apple'. The terminal and lateral leaflets for 'Rose Gold Fingerling' have a low frequency of coalescence while the frequency is absent or very low for 'Pink Fir Apple'. The leaflet of 'Rose Gold Fingerling' has an absent or weak degree of waviness of the margin whereas the leaflet of 'Pink Fir Apple' has a weak degree of waviness. The flower bud for 'Rose Gold Fingerling' has a low extent of anthocyanin colouration whereas the flower bud of 'Pink Fir Apple'has an absent or very low extent of anthocyanin colouration. The plants of 'Rose Gold Fingerling' are taller than those of 'Pink Fir Apple'. The inflorescence of 'Rose Gold Fingerling' has a medium frequency of flowers whereas the inflorescence of 'Pink Fir Apple' has a low frequency of flowers. The corolla for 'Rose Gold Fingerling' is medium to large in size whereas the corolla for 'Pink Fir Apple' is small to medium in size.

Description:

LIGHTSPROUT: medium size, ovoid shape, medium number of root tips, short to medium lateral shoots
LIGHTSPROUT BASE: very strong intensity of anthocyanin colouration, medium proportion of blue in anthocyanin colouration, medium pubescence
LIGHTSPROUT TIP: small size in relation to base, closed habit, weak to medium intensity of anthocyanin colouration, medium to dense pubescence

PLANT: foliage structure is intermediate type where foliage is half open and stems are partly visible, semi-upright growth habit, late to very late maturing

STEM: medium to high extent of anthocyanin colouration along entire stem

LEAF: medium size outline, open, weak presence of secondary leaflets, medium green on upper side, medium extent and weak intensity of anthocyanin colouration on midrib of upper side, low frequency of coalescence of terminal and lateral leaflets
SECOND PAIR OF LATERAL LEAFLETS: medium size, leaflet is narrower than long
LEAFLET: absent or very weak waviness of margin, medium depth of veins, medium degree of glossiness of upper side, glabrous blade at apical rosette

INFLORESCENCE: medium frequency of flowers, medium in size
PEDUNCLE: low extent of anthocyanin colouration
FLOWER BUD: low extent of anthocyanin colouration
COROLLA: medium to large in size, absent or very low extent and absent or very weak intensity of anthocyanin colouration on inner side, absent or low proportion of blue in anthocyanin colouration on inner side

TUBER: very long, light to medium yellow flesh
TUBER EYE: deep, yellow at base
TUBER SKIN: yellow to red

Origin & Breeding History: 'Rose Gold Fingerling' (experimental designation 06-363) originated from a cross between the variety 'Pink Fir Apple', as the female parent, and the variety 'Monalisa', as the male parent, conducted in 2006, at the Jan Darwinkle Breeding Station, Netherlands. From the resulting progeny, 'Rose Gold Fingerling' was selected in 2014 based on negative mass selection for agronomic characteristics and disease resistances.

Tests & Trials: The comparative test and trial for 'Rose Gold Fingerling' was conducted by Global Agri Services Inc, in Drummond, New Brunswick, during the 2017 growing season. The trial consisted of 70 plants per variety, one variety per 21.2 metre row. The rows were spaced 0.9 metres apart and plants were spaced 0.3 metres apart within the row. The observations and measurements were taken from 10 plants, or 10 parts of plants, of each variety. The mean difference was significant at the 5% probability level based on paired Student's t-tests.


Comparison table for 'Rose Gold Fingerling' with reference variety 'Pink Fir Apple'

Plant height (cm)

  'Rose Gold Fingerling' 'Pink Fir Apple'
mean 64.1 48.1
std. deviation 2.1 2.1

Click on image for larger view
Rose Gold Fingerling
Potato: 'Rose Gold Fingerling' (left) with reference variety 'Pink Fir Apple' (right)

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