Gourmandine

Potato

Variety Description

Variety used for comparison: 'Agata'

Summary: The lightsprout of 'Gourmandine' is ovoid in shape with a few root tips whereas it has a broad cylindrical shape with many root tips for 'Agata'. 'Gourmandine' has a small to medium sized lightsprout where the tip has a closed habit whereas 'Agata' has a medium to large lightsprout where the tip has a closed to intermediate habit. The intensity of anthocyanin colouration at the base of the lightsprout is medium to strong for 'Gourmandine' with the proportion of blue as absent or low whereas the intensity is absent to weak with a medium proportion of blue for 'Agata'. The extent of anthocyanin colouration on the stem is low along the entire stem for 'Gourmandine' whereas it is absent for 'Agata'. The leaves of 'Gourmandine' have a large outline whereas those of 'Agata' have a medium outline. The waviness of the leaflet margins for 'Gourmandine' is weak whereas it is medium for 'Agata'. 'Gourmandine' has a shorter plant height than 'Agata'. The frequency of inflorescences per plant for 'Gourmandine' is low to medium whereas it is absent or very low in 'Agata'. The plants of 'Gourmandine' mature in mid-season whereas those of 'Agata' mature late. The tubers of 'Gourmandine' have a long oval shape and have a medium yellow flesh whereas tubers of 'Agata' are short oval to oval in shape with a light yellow flesh. 'Gourmandine' has weak to medium anthocyanin colouration of the skin of the tuber in reaction to light whereas it is absent or very weak in 'Agata'.

Description:

LIGHTSPROUT: small to medium size, ovoid, root tips few in numbers, short lateral shoots
LIGHTSPROUT BASE: medium to strong intensity of anthocyanin colouration, with absent or low proportion of blue in the anthocyanin colouration, sparse pubescence
LIGHTSPROUT TIP: small size in relation to base, closed habit, weak intensity of anthocyanin colouration, sparse pubescence

PLANT: stem to intermediate type foliage structure where foliage is open or half open and stems are clearly to partly visible, semi-upright growth habit, medium maturity

STEM: low extent of anthocyanin colouration along the entire stem

LEAF: large outline, open, medium to dark green colour, absent or very low extent and absent or very weak intensity of anthocyanin colouration on the midrib of the upper side
SECOND PAIR OF LATERAL LEAFLETS: large size, narrower than long width in relation to length
LEAFLETS: medium presence of secondary leaflets, absent or very low frequency of coalescence of terminal and lateral leaflets, weak waviness of margin, shallow to medium depth of veins, medium glossiness of upper side, no pubescence on blade at apical rosette

INFLORESCENCE: low to medium frequency per plant, small to medium size, low extent of anthocyanin colouration on peduncle
FLOWER BUD: absent to low extent of anthocyanin colouration
COROLLA: large size, high to very high extent and weak to medium intensity of anthocyanin colouration on the inner side, with absent or low proportion of blue

TUBER: long-oval shape, medium yellow flesh
TUBER EYES: shallow depth
TUBER SKIN: yellow, yellow at base of eye, weak to medium anthocyanin colouration in reaction to light

Origin & Breeding History: The origin of 'Gourmandine' is the result of the cross made in 1992 between 'Charlotte' as the female parent and 'Estima' as the male parent at the Bretagne Plants Breeding Station in Hanvec, France. Selection criteria were negative mass selection agronomic characteristics and resistance to various diseases.

Tests & Trials: Tests and trials for 'Gourmandine' were conducted during the 2012 growing season in Drummond, New Brunswick. Each plot per variety consisted of 60 plants grown in a single row with a row length of 18.5 metres and a row spacing of 0.9 metres between rows. Plants were spaced 0.30 metres apart.

Comparison table for 'Gourmandine' with reference variety 'Agata'

Plant height (cm)

Click on image for larger view

Potato: 'Gourmandine' (left) with reference variety 'Agata' (right)