AR2007-1

Potato

Variety Description

Varieties used for comparison: 'Barbara' and 'Shepody'

Summary: The plants of 'AR2007-1' are taller than the reference varieties. 'AR2007-1' has weak to medium anthocyanin colouration of the stem while it is absent or very weak in 'Shepody'. The plants of 'AR2007-1' are spreading whereas they are upright in 'Barbara'. 'AR2007-1' has an intermediate leaf silhouette whereas it is open in 'Barbara' and closed in 'Shepody'. The lateral leaflets of 'AR2007-1' is medium in size whereas it is small in 'Barbara' and medium to large in 'Shepody'. Flowering profusion of 'AR2007-1' is low while it is medium in 'Barbara' and high in 'Shepody'. 'AR2007-1' has oblong tuber shape whereas those of 'Shepody' are long. The inner surface of the corolla of 'AR2007-1' is white whereas it is blue-violet on 'Shepody'. The intensity of anthocyanin colouration on inner surface of the corolla of 'AR2007-1' is very weak while it is medium in 'Shepody'. The tuber skin of 'AR2007-1' is buff with purple whereas it is light beige in 'Shepody'. The tuber flesh of 'AR2007-1' is cream whereas it is dark yellow in 'Barbara' and white in 'Shepody'. The intensity of anthocyanin colouration on the light sprout base of 'AR2007-1' is very strong while it is weak in 'Shepody'. 'AR2007-1' has medium number of root tips of the light sprout whereas it is few in 'Shepody'.

Description:

PLANT: spreading growth habit, leaf type foliage structure

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

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

INFLORESCENCE: low flowering profusion, small size
FLOWER BUD: medium persistence, medium intensity of anthocyanin colouration
COROLLA: white, very weak anthocyanin colouration on inner surface, small to medium size, medium prominence of star
PEDUNCLE: medium anthocyanin colouration

TUBER: oblong, cream flesh with no secondary colour
TUBER EYES: intermediate depth, evenly distributed, medium prominence of eyebrows
TUBER SKIN: buff with scattered purple, purple at base of eye, smooth texture

LIGHT SPROUT: medium size, spherical shape, medium number of root tips, short lateral shoots
LIGHT SPROUT BASE: very strong anthocyanin colouration, high proportion of blue in anthocyanin colouration, medium to dense pubescence
LIGHT SPROUT TIP: smaller in size than base, closed habit, very strong anthocyanin colouration, dense pubescence

Origin & Breeding History: 'AR2007-1' (experimental designations 13764-03 and F02018) originated from the cross of 'Barbara' and 'Anson' made in 1999 in Fredericton, New Brunswick. Selection criteria were clonal selection for adaptation, tuber type and niche french fry potential.

Tests & Trials: Trials for 'AR2007-1' 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 'AR2007-1' with reference varieties 'Barbara' and 'Shepody'

Plant height (cm)

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Potato: 'AR2007-1' (left) with reference varieties 'Barbara' (center) and 'Shepody' (right)

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Potato: 'AR2007-1' (left) with reference varieties 'Barbara' (center) and 'Shepody' (right)

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Potato: 'AR2007-1' (left) with reference varieties 'Barbara' (center) and 'Shepody' (right)