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Chopin

Potato

Denomination: 'Chopin'
Botanical Name: Solanum tuberosum
Applicant/Holder: IPR B.V.
P.O. Box 88
8500 AB
Joure
Netherlands
Tel: 31 513-489 976

van der Zee, Folkert Pieter
Dijksterweg 27
Kloosterburen
NL-9977 TD
Netherlands
Tel: 31 595481014
Breeder: R. P. Graveland, IPR B.V., Joure, Netherlands
Folkert Pieter van der Zee, Kloosterburen, 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: 2010-12-08
Application Number: 10-7104
Grant of Rights Date: 2014-02-19
Certificate Number: 4729
Date rights surrendered: 2020-02-03

Variety Description

Variety used for comparison: 'Yukon Gold'

Summary: The lightsprout of 'Chopin' is ovoid in shape whereas it is spherical for 'Yukon Gold'. The intensity of the anthocyanin colouration of the lightsprout for 'Chopin' is absent to weak at the base and absent or very weak at the tip whereas both are of medium intensity in 'Yukon Gold'. 'Chopin' has a semi-upright growth habit whereas it is upright to semi-upright in 'Yukon Gold'. The extent of anthocyanin colouration on the stem is absent for 'Chopin' whereas it is medium and halfway up the stem for 'Yukon Gold'. 'Chopin' has a medium to high frequency of coalescence of the terminal and lateral leaflets whereas it is absent or very low in 'Yukon Gold'. 'Chopin' has a shorter plant height than 'Yukon Gold'. The frequency of inflorescences per plant for 'Chopin' is absent or very low whereas it is low to medium in 'Yukon Gold'. The extent of anthocyanin colouration on the flower bud of 'Chopin' is absent or very low whereas it is medium to high in 'Yukon Gold'. The extent of the anthocyanin colouration on the inner side of the corolla is absent or very low for 'Chopin' whereas it is high for 'Yukon Gold'. The intensity of the anthocyanin colouration on the inner side of the corolla is absent or very weak for 'Chopin' whereas it is weak to medium on the inner side of the corolla for 'Yukon Gold'. The tubers of 'Chopin' are short oval in shape whereas they are round to short oval in 'Yukon Gold'. The base of the eye of the tuber of 'Chopin' is yellow whereas it is red on 'Yukon Gold'.

Description:

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

PLANT: stem to intermediate type foliage structure where foliage is open or half open and stems are clearly to partly visible, semi-upright growth habit, medium maturity

STEM: no anthocyanin colouration

LEAF: small to medium outline, open, medium green colour, absent or very low extent and absent or very weak intensity of anthocyanin colouration on the midrib of the upper side
SECOND PAIR OF LATERAL LEAFLETS: medium size, narrower than long width in relation to length
LEAFLETS: medium presence of secondary leaflets, medium to high frequency of coalescence of terminal and lateral leaflets, weak waviness of margin, medium to deep veins, medium glossiness of upper side, pubescence on blade at apical rosette

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

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

Origin & Breeding History: The origin of 'Chopin' is the result of the cross made in 1995 between 'VDZ87-38' as the female parent and 'Casanova' as the male parent at the HZPC Research & Development Centre in Metslawier, The Netherlands. Selection criteria included internal and external quality, yield and resistances against different diseases and pests.

Tests & Trials: Tests and trials for 'Chopin' were conducted during the 2012 growing season in Drummond, New Brunswick. Each plot per variety consisted of 60 plants grown in a single row with a row length of 18.5 metres and a row spacing of 0.9 metres between rows. Plants were spaced 0.30 metres apart.


Comparison table for 'Chopin' with reference variety 'Yukon Gold'

Plant height (cm)

  'Chopin' 'Yukon Gold'
mean 54.0 76.5
std. deviation 1.9 3.1

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

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