AAC Weschip

Potato

Denomination: 'AAC Weschip'
Previously Proposed Denomination: 'AR2010-03_F05020'
Botanical Name: Solanum tuberosum
Applicant/Holder: Agriculture & Agri-Food Canada, Fredericton
Fredericton Research and Development Centre
850 Lincoln Road, P.O. Box 20280
Fredericton, New Brunswick
E3B 4Z7
Canada
Breeder: Agnes Murphy, Agriculture & Agri-Food Canada, Fredericton, New Brunswick
Agent in Canada: Agriculture & Agri-Food Canada
Office of Intellectual Property and Commercialization
6000 C&E Trail
Lacombe, Alberta
T4L 1W1
Canada
Tel: (403) 782-8126
Application Date: 2016-04-28
Application Number: 16-8906

Variety Description

Varieties used for comparison: 'Andover' and 'Snowden'

Summary: The shape of the lightsprout of 'AAC Weschip' is conical whereas it is ovoid for 'Snowden' and spherical for 'Andover'. The base of the lightsprout of ' AAC Weschip ' has a strong intensity of anthocyanin colouration whereas the intensity of anthocyanin colouration is medium for 'Andover' and absent for 'Snowden'. The base of the lightsprout of ' AAC Weschip' has a medium proportion of blue whereas it is absent or low for the reference varieties. The pubescence of the base of the lightsprout of 'AAC Weschip' is sparse whereas it is of medium pubescence for the reference varieties. 'AAC Weschip' has few root tips on the lightsprout whereas the reference varieties have a medium number. The extent of anthocyanin colouration halfway up the stem is low on 'AAC Weschip' whereas it is absent on the stem of 'Snowden'. The presence of secondary leaflets in 'AAC Weschip' is medium while it is weak in the reference varieties. The plant of 'AAC Weschip' is shorter than that of 'Andover' and taller than that of 'Snowden'. 'AAC Weschip' has a high frequency of inflorescences per plant whereas the frequency is low for 'Snowden' and medium for 'Andover'. The inflorescences of 'AAC Weschip' are large whereas those of 'Andover' are of medium size and those of 'Snowden' are small. The tuber of 'AAC Weschip' is round whereas the tuber of 'Snowden' has a short oval shape. The tuber flesh of 'AAC Weschip' is a light yellow colour whereas it is white for the reference varieties.

Description:

LIGHTSPROUT: medium size, conical shape, root tips few in numbers, short lateral shoots
LIGHTSPROUT BASE: strong intensity of anthocyanin colouration, medium proportion of blue in anthocyanin colouration, sparse pubescence
LIGHTSPROUT TIP: large size in relation to base, intermediate habit, absent or very weak intensity of anthocyanin colouration, sparse pubescence

PLANT: foliage structure is intermediate type where foliage is open and stems are not clearly visible, upright growth habit, mid-season to late maturity
STEM: low extent of anthocyanin colouration halfway up stem

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

INFLORESCENCE: high frequency per plant, large
PEDUNCLE: absent or very low extent of anthocyanin colouration
FLOWER BUD: absent or very low extent of anthocyanin colouration
COROLLA: medium to large
COROLLA (INNER SIDE): absent or very low extent of anthocyanin colouration, absent or very weak intensity of anthocyanin colouration, absent or low proportion of blue in anthocyanin colouration on inner side

TUBER: round shape, light yellow flesh
TUBER EYE: medium to deep, white at base
TUBER SKIN: light beige, develops medium intensity of anthocyanin colouration in reaction to light

Origin & Breeding History: 'AAC Weschip' (experimental designations 'AR2010-03_F05020' and 15093-21) originated from the cross of F91031 and ND860-2 made in 2003 in Fredericton, New Brunswick. In 2004, the progeny designated as 15093-21 was selected. Selection criteria were clonal selection for adaptation, tuber type, flesh colour and chipping quality.

Tests & Trials: The comparative trial for 'AAC Weschip' was conducted during the 2016 growing season at Agriculture and Agri-Food Canada's Fredericton Research and Development Centre in Fredericton, New Brunswick. The trial consisted of 2 replicates with 30 plants per variety in each replicate, grown in two 7.5 metre length rows spaced 90 centimetres apart. Plants were spaced 25 centimetres apart in the row. Observations and measurements were taken from 10 plants or parts of 10 plants of each variety. Mean differences were significant at the 5% probability level based on LSD values.


Comparison table for 'AAC Weschip' with reference varieties 'Andover' and 'Snowden'

Plant height (cm)

  'AAC Weschip' 'Andover' 'Snowden'
mean (LSD=4) 36 45 28
std. deviation 4.5 4.3 5.2

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AAC Weschip
Potato: 'AAC Weschip' (left) with reference varieties 'Andover' (centre) and 'Snowden' (right)

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AAC Weschip
Potato: 'AAC Weschip' (left) with reference varieties 'Andover' (centre) and 'Snowden' (right)

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AAC Weschip
Potato: 'AAC Weschip' (bottom) with reference varieties 'Andover' (centre) and 'Snowden' (top)

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