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AAC Eastern Russet

Potato

Denomination: 'AAC Eastern Russet'
Previously Proposed Denomination: 'AR2017-07'
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: Benoit Bizimungu, Agriculture & Agri-Food Canada, Fredericton, New Brunswick
Agent in Canada: Agriculture & Agri-Food Canada
Office of Intellectual Property and Commercialization
95 Innovation Road
Fredericton, New Brunswick
E3B 4Z7
Canada
Tel: 506-460-4509
Application Date: 2019-04-24
Provisional Protection:: 2019-04-24
Application Number: 19-9808
Grant of Rights Date: 2021-04-19
Certificate Number: 6412
Grant of Rights Termination Date: 2041-04-19

Variety Description

Variety used for comparison: 'Innovator'

Summary: The base of the lightsprout for 'AAC Eastern Russet' has a medium intensity of anthocyanin colouration while that of 'Innovator' has a weak intensity of anthocyannin colouration. The base of the lightsprout for 'AAC Eastern Russet' has sparse pubescence while that of 'Innovator' has dense pubescence. The lightsprout tip for 'AAC Eastern Russet' is medium sized in relation to the base while it is small in relation to the base for 'Innovator'. The lightsprout tip for 'AAC Eastern Russet' has an intermediate habit while that of 'Innovator' has a closed habit. The lightsprout tip for 'AAC Eastern Russet' has a medium density of pubescence while that of 'Innovator' has dense pubescence. The upper side of the leaf of 'AAC Eastern Russet' is light green while that of 'Innovator' is medium green. The plants of 'AAC Eastern Russet' have a medium frequency of inflorescences while the plants of 'Innovator' have a high frequency of inflorescences.

Description:

LIGHTSPROUT: large, conical, few root tips, medium length lateral shoots
LIGHTSPROUT BASE: medium intensity of anthocyanin colouration, absent or low proportion of blue in anthocyanin colouration, sparse pubescence
LIGHTSPROUT TIP: medium sized in relation to base, intermediate habit, absent or very weak intensity of anthocyanin colouration, medium density of pubescence

PLANT: foliage structure is intermediate type where foliage is half open and stems are partly visible, semi-upright growth habit, matures mid-season

STEM: absent or low extent of anthocyanin colouration

LEAF: medium sized outline, intermediate openness, medium presence of secondary leaflets, light green upper side, absent or very low extent and absent or very 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: large, leaflet is narrower than long
LEAFLET: strong degree of waviness of margin, medium depth of veins

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

TUBER: long oval, light yellow flesh
TUBER EYE: shallow, yellow at base
TUBER SKIN: reddish brown

Origin & Breeding History: 'AAC Eastern Russet' (experimental designations AR2017, F12022 and 16040-03) originated from a cross made between the varieties 'Innovator' and 'Tenace' conducted at the Agriculture and Agri-Food Canada's Fredericton Research and Development Centre, in Fredericton, New Brunswick, in 2009. In 2010, the true potato seed resulting from the cross was sown in a greenhouse at the Agriculture and Agri-Food Canada's Fredericton Research and Development Centre and the resulting seedling tubers planted at the Benton Ridge Research Substation of Agriculture and Agri-Food Canada near Woodstock, New Brunswick, in 2011. A clone designated as 16040-03 was selected in 2011 from a single hill trial based on vine maturity, tuber appearance, shape, size and flesh colour.

Tests & Trials: The comparative trial for 'AAC Eastern Russet' was conducted during the 2019 growing season at Agriculture and Agri-Food Canada's Fredericton Research and Development Centre, in Fredericton, New Brunswick. The trial consisted of 2 replicates per variety arranged in a RCB design. Each replicate consisted of 40 plants in a 12 metre length row. The rows were spaced 90 centimetres apart and the plants were spaced 25 centimetres apart within the row.

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AAC Eastern Russet
Potato: 'AAC Eastern Russet' (right) with reference variety 'Innovator' (left)

Click on image for larger view
AAC Eastern Russet
Potato: 'AAC Eastern Russet' (left) with reference variety 'Innovator' (right)

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