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Allison

Potato

Denomination: 'Allison'
Botanical Name: Solanum tuberosum
Applicant/Holder: IPR B.V.
P.O. Box 88
8500 AB
Joure
Netherlands
Breeder: IPR B.V., Joure, Netherlands
Agent in Canada: HZPC-Americas Corp.
19 Regis Duffy Drive
Charlottetown, Prince Edward Island
C1E 0K5
Canada
Tel: 902-892-2004
Application Date: 2020-03-30
Provisional Protection:: 2020-03-30
Application Number: 20-10131
Grant of Rights Date: 2023-09-01
Certificate Number: 6894
Grant of Rights Termination Date: 2043-09-01

Variety Description

Variety used for comparison: 'Sifra'

Summary: The tip of the lightsprout of 'Allison' has a strong intensity of anthocyanin colouration and medium to dense pubescence while that of 'Sifra' has a weak intensity of anthocyanin colouration and sparse pubescence. The lightsprout of 'Allison' has medium to many root tips while that of 'Sifra' has few to a medium number of root tips. The plants of 'Allison' have a spreading growth habit while the plants of 'Sifra' have a semi-upright growth habit. The stem of 'Allison' has a medium extent of anthocyanin colouration along the entire stem while the stem of 'Sifra' has a low extent of anthocyanin colouration halfway up the stem. The inner side of the corolla of 'Allison' has a medium extent and medium intensity of anthocyanin colouration while that of 'Sifra' has an absent or very low extent and absent or very weak intensity anthocyanin colouration. The plants of 'Allison' mature very late in the season while the plants of 'Sifra' mature late in the season. The tuber of 'Allison' is oval to long oval in shape while the tuber of 'Sifra' is short oval.

Description:

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

PLANT: stem type foliage structure where foliage is open and stems are clearly visible, spreading growth habit, low to medium frequency of flowers, matures very late in the season

STEM: medium extent of anthocyanin colouration along entire stem

LEAF: large outline, closed to intermediate openness, medium to strong presence of secondary leaflets, light to medium green upper side, low extent and weak intensity of anthocyanin colouration on upper side of midrib, absent or very low frequency of coalescence of terminal and lateral leaflets
SECOND PAIR OF LATERAL LEAFLETS: very large, leaflet is narrower than long
LEAFLET: absent or very weak degree of waviness of margin, shallow veins, dull to medium glossiness on upper side, pubescence absent on blade at apical rosette

PEDUNCLE: absent or very low to low extent of anthocyanin colouration
INFLORESCENCE: medium sized
FLOWER BUD: absent or very low extent of anthocyanin colouration
COROLLA: medium sized
COROLLA (INNER SIDE): medium extent and medium intensity of anthocyanin colouration, absent or low proportion of blue in anthocyanin colouration

TUBER: oval to long oval, white flesh
TUBER EYE: shallow to medium depth, yellow at base
TUBER SKIN: yellow, absent or very weak anthocyanin colouration in reaction to light

Origin & Breeding History: 'Allison' originated from a cross conducted between 'HEO 98-1620' as the female parent and 'Agata' as the male parent at HZPC Research B.V. in Metslawier, Netherlands in 2006. 'Allison' was selected from the F1 progeny in 2007 based on disease resistance, yield, tuber skin texture, tuber size profile and percentage of marketable tubers.

Tests & Trials: The comparative trial for 'Allison' was conducted by Global Agri Services Inc. during the 2021 growing season in Central Blissville, New Brunswick. The field trial consisted of a single, 20 metre long row per variety. Each row contained 65 plants spaced 0.3 metres apart with inter-row spacing of 1.1 metres. 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 a paired Student's t-test. Lightsprout characteristics were assessed on 10 tubers harvested from the comparative trial and observed approximately 2.5 to 3 months after sprouting was promoted by exposing the tubers to an external agent.


Comparison table for 'Allison' with reference variety 'Sifra'

Plant height (cm)

  'Allison' 'Sifra'
mean 62.0 46.0
std. deviation 2.7 5.5

Click on image for larger view
Allison
Potato: 'Allison' (left) with reference variety 'Sifra' (right)

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