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Coronada

Potato

Denomination: 'Coronada'
Botanical Name: Solanum tuberosum
Applicant/Holder: Europlant Pflanzenzucht GmbH
P.O.Box 13 80
D-21303
Lüneburg
Germany
Breeder: Böhm Nordkartoffel Agrarproduktion GmbH & Co. OHG, Lüneburg, Germany
Agent in Canada: Global Agri Services Inc.
376 New Maryland Highway
New Maryland, New Brunswick
E3C 1E5
Canada
Tel: 506-462-9493
Application Date: 2017-01-18
Application Number: 17-9072
Grant of Rights Date: 2019-01-10
Certificate Number: 5892
Grant of Rights Termination Date: 2039-01-10

Variety Description

Variety used for comparison: 'Anuschka'

Summary: The base of the light sprout of 'Coronada' has absent or very sparse pubescence while that of 'Anuschka' has dense pubescence. 'Coronada' has a weak intensity of anthocyanin colouration on the tip of the lightsprout while it is medium to strong in 'Anuschka'. The lightsprout of 'Coronada' has few root tips while that of 'Anuschka' has a medium number of root tips. The leaf of 'Coronada' has a large outline with a weak presence of secondary leaflets while the leaf of 'Anuschka' has a medium sized outline with a medium presence of secondary leaflets. 'Coronada' has an absent or very weak intensity of anthocyanin colouration along the midrib of the upper side of the leaf while it is of medium intensity for 'Anuschka'. 'Coronada' has an absent to very low frequency of coalescence of the terminal and lateral leaflets while it is medium in 'Anuschka'. At the apical rosette, the leaflet blade of 'Coronada' has pubescence while that of 'Anuschka' does not. 'Coronada' has a taller plant height than 'Anuschka'. The extent of anthocyanin colouration on the inner side of the corolla of 'Coronada' is absent or very low while it is high in 'Anuschka'. 'Coronada' has an absent or very weak intensity of anthocyanin colouration on the inner side of the corolla while it is weak to medium in 'Anuschka'.

Description:

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

PLANT: intermediate foliage structure where foliage is half open and stems are partly visible, semi-upright to spreading growth habit, mid to late maturity

STEM: absent or very low extent of anthocyanin colouration

LEAF: large outline, intermediate to open, weak presence of secondary leaflets, medium green, absent or very low extent and absent or very weak intensity of anthocyanin colouration on the midrib of upper side, absent or very low frequency of coalescence of terminal and lateral leaflets
SECOND PAIR OF LATERAL LEAFLETS: large, narrower than long width in relation to length
LEAFLET: weak waviness of margin, shallow to medium depth veins, medium glossiness on upper side, pubescence present on blade at apical rosette

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

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

Origin & Breeding History: 'Coronada' originated from a cross between the selections 'L 363/88/4835' and 'L 4115/12' conducted in 1999 in Ebstorf, Germany. From the resulting progeny, 'Coronada' was selected in 2001 based on positive agronomic characteristics.

Tests & Trials: The comparative test and trial for 'Coronada' was conducted by Global Agri Services Inc. during the growing season of 2017 in Drummond, New Brunswick. The trial consisted of a single, 21.2 metre long row containing 70 plants spaced 0.3 metres apart for each variety. The distance between rows within the trial was 0.9 metres. Observations and measurements were taken from 10 plants, or 10 parts of plants, of each variety. The mean difference was significant at the 5% probability level based on a paired Student's t-test.


Comparison table for 'Coronada' with reference variety 'Anuschka'

Plant height (cm)

  'Coronada' 'Anuschka'
mean 60.2 46.8
std. deviation 1.5 2.4

Click on image for larger view
Coronada
Potato: 'Coronada' (left) with reference variety 'Anuschka' (right)

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