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Denomination: 'Perline'
Botanical Name: Solanum tuberosum
Applicant/Holder: KWS Potato B.V.
P.O. Box 1049
NL-8300 BA
Breeder: Yves Beque, Station de Recherche du Comité Nord, Paris, France
Agent in Canada: Betaseed, Inc.
Suite 74
162 - 2025 Corydon Ave.
Winnipeg, Manitoba
Application Date: 2011-12-14(priority claimed)
Application Number: 11-7431
Protective direction granted: 2011-12-14
Protective direction withdrawn: 2012-01-30
Grant of Rights Date: 2014-04-15
Certificate Number: 4757
Date rights revoked: 2017-04-15

Variety Description

Variety used for comparison: 'Yukon Gold'

Summary: The lightsprout of 'Perline' has a broad cylindrical shape whereas it is spherical for 'Yukon Gold'. The intensity of anthocyanin colouration at the base of the lightsprout is strong for 'Perline' whereas it is of medium intensity for 'Yukon Gold'. The lightsprout tip of 'Perline' has an open habit and is small in relation to the base whereas it has a closed habit and is medium sized in 'Yukon Gold'. 'Perline' has a semi-upright to spreading growth habit whereas it is upright to semi-upright for 'Yukon Gold'. The extent of anthocyanin colouration on the stem is absent for 'Perline' whereas it is medium and halfway up the stem for 'Yukon Gold'. 'Perline' has a shorter plant height than 'Yukon Gold'. The anthocyanin colouration on the inner side of the flower corolla of 'Perline' is absent or very weak in intensity and its extent is absent or very low whereas the intensity of the anthocyanin colouration is weak to medium and the extent is high for 'Yukon Gold'. The plants of 'Perline' matures very early to early whereas 'Yukon Gold' matures early to mid-season. The tubers of 'Perline' have a short oval shape and have a medium yellow flesh whereas 'Yukon Gold' tubers are round to short oval in shape with a light yellow flesh. The base of the eye of the tuber of 'Perline' is yellow whereas it is red on 'Yukon Gold'.


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

PLANT: intermediate to leaf type foliage structure where foliage is half open to closed and stems are partly visible to not, or hardly visible, semi-upright to spreading growth habit, very early to early maturity

STEM: no anthocyanin colouration

LEAF: medium outline, intermediate openness, light to 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, absent or very low frequency of coalescence of terminal and lateral leaflets, absent or very weak waviness of margin, shallow depth of veins, dull glossiness of upper side, no pubescence on blade at apical rosette

INFLORESCENCE: low frequency per plant, small to medium size, low extent of anthocyanin colouration on peduncle
FLOWER BUD: medium extent of anthocyanin colouration
COROLLA: small to medium 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, medium yellow flesh
TUBER EYES: shallow to medium depth
TUBER SKIN: yellow, yellow at base of eye, weak to medium anthocyanin colouration in reaction to light

Origin & Breeding History: The origin of 'Perline' is the result of the cross made in 1997 between 'E90.79' as the female parent and 'Olivia' as the male parent at the Breeding Station de Recherche du Comite Nord in Bretteville du Grand Cause, France. Selection criteria included maturity, yield, disease resistance, processing traits, morphological traits and storage characters.

Tests & Trials: Tests and trials for 'Perline' 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 'Perline' with reference variety 'Yukon Gold'

Plant height (cm)

  'Perline' 'Yukon Gold'
mean 57.6 76.5
std. deviation 2.0 3.1

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

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