Longue Rive

Potato

Variety Description

Variety used for comparison: 'Shepody'

Summary: 'Longue Rive' has taller plants than 'Shepody'. The plants of 'Longue Rive' are upright with a stem type foliage structure whereas they are semi-upright to spreading with a intermediate type foliage structure in 'Shepody'. 'Longue Rive' has broadly ovate terminal leaflets with a cordate base whereas they are narrowly ovate with an obtuse base in the reference variety. 'Longue Rive' has medium glossiness of the leaves whereas they are dull for 'Shepody'. The corolla colour of 'Longue Rive' is white whereas it is blue-violet in the reference variety. The corolla of 'Longue Rive' is larger and has a weaker anthocyanin colouration on the inner surface than the reference variety. The colour of the flesh of 'Longue Rive' is cream whereas it is white in the reference variety.The light sprout of 'Longue Rive' is conical with weak anthocyanin colouration of the base whereas it is broad cylindrical with medium anthocyanin colouration of the base for 'Shepody'. The tip of the light sprout of 'Longue Rive' has a weaker anthocyanin colouration and is less pubescent than the reference variety.

Description:

PLANT: upright growth habit, stem type foliage structure, mid-season maturity

STEM: no anthocyanin colouration, medium thickness of main stem, low swelling at nodes

LEAVES: medium green, intermediate to open silhouette, no anthocyanin colouration in rachis petiole, medium presence of secondary leaflets
TERMINAL LEAFLET: broadly ovate, acuminate tip, cordate base
LATERAL LEAFLET: medium size, medium ovate, acuminate tip, cordate base

INFLORESCENCE: high flowering profusion, medium size
COROLLA: white, no anthocyanin colouration on inner surface, medium size, prominent star, no anthocyanin in
peduncle

TUBER: elliptical, cream flesh with no secondary colour
TUBER EYES: shallow, predominantly apical distributed, medium prominence of eyebrows
TUBER SKIN: light beige, white at base of eye, medium anthocyanin colouration in reaction to light, rough texture

LIGHT SPROUT: medium size, conical shape, medium number of root tips, medium length lateral shoots
BASE: weak anthocyanin colouration, no blue in anthocyanin colouration, medium pubescence
TIP: smaller than base in size, closed habit, weak anthocyanin colouration, sparse pubescence

QUALITY: mealy boiling texture, medium to high boiling sloughing, low discolouration after cooking, high specific gravity

Origin & Breeding History: 'Longue Rive' is the result of the cross between 'QP87015.13' (female parent) and the hybrid 'A7961.1' (male parent) that was made in 1996 at the Centre de la recherche Les Buissons, Pointe-aux-Outardes, Québec. The variety is characterized by its dried matter content and appearance in mid-season trials.

Tests & Trials: Trials for 'Longue Rive' were conducted during the summer of 2008 at Pointe-aux-Outardes, Québec. There were two replicates of 200 tubers spaced 25 cm apart.

Comparison table for 'Longue Rive' with reference variety 'Shepody'

Plant height (cm)

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Potato: 'Longue Rive' (right) with reference variety 'Shepody' (left)

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Potato: The flesh colour of 'Longue Rive' (left) with reference variety 'Shepody' (right)