AR2007-8

Potato

Denomination: 'AR2007-8'
Botanical Name: Solanum tuberosum
Applicant/Holder: Agriculture & Agri-Food Canada, Fredericton
Potato Research Centre
Floor 3rd, Room 365 - 850 Lincoln St., P.O. Box 20
Fredericton, New Brunswick
E3B 4Z7
Canada
Breeder: T. Richard Tarn, 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: 2009-04-22
Application Number: 09-6624
Protective direction granted: 2009-04-22
Grant of Rights Date: 2011-03-18
Certificate Number: 4038
Date rights surrendered: 2013-06-18

Variety Description

Varieties used for comparison: 'Atlantic' and 'Superior'

Summary: 'AR2007-8' has an upright growth habit while it is semi-upright to spreading in 'Superior'. The plant of 'AR2007-8' is shorter than 'Atlantic'. The inner surface of the corolla of 'AR2007-8' is white whereas it is blue-violet on all of the reference varieties. The intensity of anthocyanin colouration on inner surface of the corolla of 'AR2007-8' is very weak while it is medium on the reference varieties. The tuber flesh of 'AR2007-8' is cream whereas it is white on all of the reference varieties. The light sprout base of 'AR2007-8' has no or very low proportion of blue whereas the reference varieties have a high proportion.

Description:

PLANT: upright growth habit, intermediate type foliage structure

STEM: weak anthocyanin colouration, medium thickness of main stem, absent or low swelling at nodes

LEAVES: light to medium green, intermediate silhouette, absent or very weak anthocyanin colouration on upper side of rachis, weak anthocyanin colouration of the petiole, low to medium frequency of coalescence, weak waviness of margin, medium presence of secondary leaflets
TERMINAL LEAFLET: medium ovate, acuminate tip, cordate base
LATERAL LEAFLET: medium size, medium ovate, cuspidate tip, cordate base

INFLORESCENCE: high flowering profusion, medium to large size
FLOWER BUD: medium to strong persistence, absent or very weak intensity of anthocyanin colouration
COROLLA: white, very weak anthocyanin colouration on inner surface, large size, medium prominence of star
PEDUNCLE: absent anthocyanin colouration

TUBER: round, cream flesh with no secondary colour
TUBER EYES: intermediate, predominantly apical distributed, slight to medium prominence of eyebrows
TUBER SKIN: light beige, white at base of eye, smooth texture

LIGHT SPROUT: large size, conical shape, few to medium number of root tips, short to medium lateral shoots
LIGHT SPROUT BASE: absent or very weak anthocyanin colouration, no blue in anthocyanin colouration, sparse to medium pubescence
LIGHT SPROUT TIP: equal to base in size, closed habit, absent or very weak anthocyanin colouration, absent or very sparse pubescence

Origin & Breeding History: 'AR2007-8' (experimental designations TAT13289-01 and F02060) originated from the cross of 'TAT11468-02' and 'F66011' made in 1998 in Fredericton, New Brunswick. Selection criteria were clonal selection for adaptation, tuber type, and fresh market quality.

Tests & Trials: Trials for 'AR2007-8' were conducted at Potato Research Centre, Fredericton, New-Brunswick, in 2009. There were two replicates of 30 plants with a plant spacing of 30 cm.


Comparison table for 'AR2007-8' with reference varieties 'Atlantic' and 'Superior'

Plant height (cm)

  'AR2007-8' 'Atlantic' 'Superior'
mean 23 32 20
standard deviation 5.74 3.99 3.45

Click on image for larger view
AR2007-8
Potato: 'AR2007-8' (left) with reference varieties 'Atlantic' (center) and 'Superior' (right)

Click on image for larger view
AR2007-8
Potato: 'AR2007-8' (left) with reference varieties 'Atlantic' (center) and 'Superior' (right)