Etana

Potato

Variety Description

Variety used for comparison: 'Innovator'

Summary: The lightsprout of ‘Etana' is very small to small while that of ‘Innovator' is large. The base of the lightsprout of ‘Etana' is globose in shape and has a sparse to medium density of pubescence while that of ‘Innovator' is broad cylindrical in shape and has medium to dense pubescence. The lightsprout apex of ‘Etana' is medium sized in relation to the base while that of ‘Innovator' is very small to small in relation to the base. The plants of ‘Etana' have many to very many inflorescences and mid to late season time of maturity while those of ‘Innovator' have few to a medium number of inflorescences and an early season time of maturity. The terminal and lateral leaflets of ‘Etana' have an absent or very low frequency of coalescence while those of ‘Innovator' have a high frequency of coalescence. The peduncle of ‘Etana' has a medium extent of anthocyanin colouration while that of ‘Innovator' has an absent or very low extent of anthocyanin colouration. The flower bud of ‘Etana' has a medium intensity of anthocyanin colouration while that of ‘Innovator' has an absent or very weak intensity of anthocyanin colouration. The inner side of the corolla of ‘Etana' has a high extent of medium to strong intensity of anthocyanin colouration while that of ‘Innovator' has an absent or very low extent of absent or very weak anthocyanin colouration. The tuber of ‘Etana' has a medium texture of skin while that of ‘Innovator' has a rough texture of skin.

Description:

LIGHTSPROUT: very small to small, few root tips, short to medium length of lateral shoots
LIGHTSPROUT BASE: globose, medium to strong intensity of anthocyanin colouration, absent or low proportion of blue in anthocyanin colouration, sparse to medium density of pubescence
LIGHTSPROUT APEX: medium size in relation to base, closed habit, absent or very weak intensity of anthocyanin colouration, very sparse to sparse pubescence

PLANT: foliage structure is intermediate type where foliage is half open and stems are partly visible, semi-upright to spreading growth habit, many to very many inflorescences, matures mid to late in the season

STEM: absent or very low extent of anthocyanin colouration

LEAF: medium size, free arrangement of leaflets, medium to many secondary leaflets, medium green upper side, absent or very weak intensity of anthocyanin colouration on upper side of midrib SECOND PAIR OF LATERAL LEAFLETS: narrow width in relation to length
TERMINAL AND LATERAL LEAFLETS: absent or very low frequency of coalescence

INFLORESCENCE: medium size
PEDUNCLE: medium extent of anthocyanin colouration
FLOWER BUD: medium intensity of anthocyanin colouration
COROLLA: medium to large diameter
COROLLA (INNER SIDE): high extent of anthocyanin colouration, medium to strong intensity of anthocyanin colouration, absent or low proportion of blue in anthocyanin colouration

TUBER: long, light yellow flesh
TUBER EYE: shallow depth, yellow at base
TUBER SKIN: light yellow brown, medium texture

Origin & Breeding History: 'Etana' (experimental designation E 03/507/376) originated from the cross between the line E 03/507/376 and the variety 'Innovator', conducted in Ebstorf, Germany in 2007. One of the resulting progeny was designated E 03/507/376 in 2008 based on negative mass selection, disease resistance and end use qualities.

Tests & Trials: The comparative trial for 'Etana' was conducted by Global Agri Services Inc. in Central Blissville, New Brunswick during the 2024 growing season. The field trial consisted of a single 14.86 metre long row, per variety. Rows were spaced 1.1 metres apart with each row containing 65 plants spaced 0.23 metres apart. Measurements were taken from 10 plants, or 10 parts of plants, of each variety. Lightsprout characteristics were assessed on 10 tubers harvested from the comparative trial and observed approximately 2.5 to 3 months after sprouting was promoted by exposing the tubers to an external agent.

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Potato: ‘Etana' (left) with reference variety ‘Innovator' (right)