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Red Sunset


Denomination: 'Red Sunset'
Botanical Name: Solanum tuberosum
Applicant/Holder: Oregon State University
Office of Commercialization and Corporate Development
312 Kerr Administration Building
Corvallis, Oregon
United States of America
Breeder: Isabel Vales, Oregon State University, Corvallis, United States of America
Agent in Canada: Global Agri Services Inc.
376 New Maryland Highway
New Maryland, New Brunswick
E3C 1E5
Tel: 506-462-9493
Application Date: 2010-02-05(priority claimed)
Application Number: 10-6816
Protective direction granted: 2010-02-05
Grant of Rights Date: 2013-02-22
Certificate Number: 4486
Grant of Rights Termination Date: 2031-02-22

Variety Description

Variety used for comparison: 'Norland'

Summary: 'Red Sunset' has a narrow cylindrical lightsprout while it is ovoid in 'Norland'. The intensity of anthocyanin colouration at the base of the lightsprout in 'Red Sunset' is medium while it is strong in 'Norland'. 'Red Sunset' has a lightsprout tip that is small in relation to the base with a closed habit while it is medium sized with an intermediate habit in 'Norland'. The intensity of anthocyanin colouration at the tip of the lightsprout in 'Red Sunset' is strong while it is weak to medium in 'Norland'. 'Red Sunset' has an intermediate type foliage structure while 'Norland' has a leaf type. The leaf of 'Red Sunset' has a small sized outline and a weak presence of secondary leaflets while it is medium in size with medium presence of secondary leaflets in 'Norland'. The plant height of 'Red Sunset' is shorter than in 'Norland'. 'Red Sunset' has a flower bud with a high extent of anthocyanin colouration while it is low in 'Norland'. The corolla of 'Red Sunset' has a very high extent of strong anthocyanin colouration while 'Norland' has a high extent of medium intensity anthocyanin. The maturity of 'Red Sunset' is early to medium while it is very early to early for 'Norland'.


PLANT: intermediate type foliage structure, semi-upright growth habit, early to medium maturity

STEM: medium to high extent of anthocyanin colouration along the entire length

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

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

TUBER: round to short oval, white flesh
TUBER EYES: shallow depth
TUBER SKIN: red, red at base of eye

LIGHTSPROUT: medium size, narrow cylindrical, medium number of root tips, short lateral shoots
LIGHTSPROUT BASE: medium intensity of anthocyanin colouration, absent or low proportion of blue in the anthocyanin colouration, medium to dense pubescence
LIGHTSPROUT TIP: small size in relation to base, closed habit, strong intensity of anthocyanin colouration, medium pubescence

Origin & Breeding History: The origin of 'Red Sunset' is the result of the cross made in 1993 between NDO3503-5 and 'Mazama' at Aberdeen, Idaho. The selection criteria included maturity, yield, disease resistance, morphological characteristics and storage characteristics.

Tests & Trials: Tests and trials were conducted during the 2011 growing season in Drummond, New Brunswick. Plots consisted of 60 plants grown in a single row with a row length of 18.5 meters and a row spacing of 0.9 meters.

Comparison table for 'Red Sunset' with reference variety 'Norland'

Plant height (cm)

  'Red Sunset' 'Norland'
mean 34.0 46.4
std. deviation 1.2 1.3

Click on image for larger view
Red Sunset
Potato: 'Red Sunset' (left) with reference variety 'Norland' (right)

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