Kikko

Potato

Denomination: 'Kikko'
Botanical Name: Solanum tuberosum
Applicant/Holder: Irish Potato Marketing Limited
G House Sandyford
76 Furze Road, Sandyford Industrial Estate
Dublin
D18
Ireland
Breeder: Teagasc Crops Research Centre, Carlow, Ireland
Agent in Canada: Global Agri Services Inc.
376 New Maryland Highway
New Maryland, New Brunswick
E3C 1E5
Canada
Tel: 506-462-9493
Application Date: 2008-04-04
Application Number: 08-6279
Protective direction granted: 2008-04-04
Protective direction withdrawn: 2012-04-20
Grant of Rights Date: 2013-02-22
Certificate Number: 4477
Exemption from compulsory licensing: Yes
Expiry date for exemption from compulsory licensing: 2015-02-22
Grant of Rights Termination Date: 2031-02-22

Note: The applicant has requested an exemption from compulsory licensing to allow time to multiply and distribute propagating material of the variety. If the exemption is granted, it may be allowed for two years from the date rights are granted for the variety.


Variety Description

Variety used for comparison: 'Yukon Gold'

Summary: The lightsprout of 'Kikko' has an ovoid shape with a medium number of root tips while the lightsprout of 'Yukon Gold' is spherical with a few root tips. The lightsprout base of 'Kikko' has medium pubescence while it is dense in 'Yukon Gold'. The location of the anthocyanin on the stem in 'Kikko' is halfway up while it is along the entire stem in 'Yukon Gold'. 'Kikko' has a closed leaf while it is open in 'Yukon Gold'. The glossiness on the leaflet of 'Kikko' is medium to glossy while it is dull to medium in 'Yukon Gold'. 'Kikko' has an absent to a very low extent of anthocyanin colouration on the flower bud while it is medium to high in 'Yukon Gold'. The extent of anthocyanin colouration on the inside of the corolla of 'Kikko' is absent to very low while it is high for 'Yukon Gold'. The intensity of the anthocyanin on the inner side of the corolla is absent to very weak for 'Kikko' while it is weak to medium for 'Yukon Gold'. 'Kikko' matures very late while 'Yukon Gold' has early to medium maturity.

Description:

PLANT: stem to intermediate type foliage structure, upright growth habit, very late maturity

STEM: low extent of anthocyanin colouration halfway up

LEAVES: medium size outline, closed, medium to strong presence of secondary leaflets, medium green, absent or very low extent and absent or very weak intensity of anthocyanin colouration on the midrib of the upper side, absent or very low frequency of coalescence of terminal and lateral leaflets
SECOND PAIR OF LATERAL LEAFLETS: medium size, narrower than long width in relation to length
LEAFLET: absent or very weak waviness of margin, medium depth veins, medium to glossy upper side, no pubescence on blade at apical rosette

INFLORESCENCE: medium frequency per plant, medium size, absent to very low extent of anthocyanin colouration on peduncle
FLOWER BUD: absent or very low extent of anthocyanin colouration
COROLLA: medium size, absent or very low extent of anthocyanin colouration on the inner side, anthocyanin absent or very weak in intensity with absent or low proportion of blue

TUBER: oval to long oval, medium yellow flesh
TUBER EYES: shallow to medium depth
TUBER SKIN: yellow, yellow at base of eye, medium anthocyanin colouration in reaction to light

LIGHTSPROUT: medium size, ovoid, medium number of root tips, short lateral shoots
LIGHTSPROUT BASE: strong intensity of anthocyanin colouration, absent or low proportion of blue in the anthocyanin colouration, medium pubescence
LIGHTSPROUT TIP: small size in relation to base, closed habit, medium to strong intensity of anthocyanin colouration, sparse pubescence

Origin & Breeding History: The origin of 'Kikko' is the result of the cross made in 1993 between 'Slaney' and C1992/42 at the Teagasc Oak Park Research Centre, Carlow, Co. Carlow, Ireland. The selection criteria included earliness, skin finish quality, disease resistance, yield and taste.

Tests & Trials: Tests and trials were conducted during the 2011 growing season in Drummond, New Brunswick. Plots consisted of 60 plants grown in a single row with a row length of 18.5 meters and a row spacing of 0.9 meters.

Click on image for larger view
Kikko
Potato: 'Kikko' (left) with reference variety 'Yukon Gold' (right)