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Targhee Russet

Potato

Denomination: 'Targhee Russet'
Botanical Name: Solanum tuberosum
Applicant/Holder: University of Idaho
Office of Technology Transfer
875 Perimeter Drive, MS3003
Moscow, Idaho
83844-3003
United States of America
Breeder: Jeffrey C. Stark, University of Idaho, Idaho Falls, United States of America
Agent in Canada: Global Agri Services Inc.
376 New Maryland Highway
New Maryland, New Brunswick
E3C 1E5
Canada
Tel: 506-462-9493
Application Date: 2016-03-18
Provisional Protection:: 2016-03-18
Application Number: 16-8838
Grant of Rights Date: 2018-03-26
Certificate Number: 5701
Grant of Rights Termination Date: 2038-03-26

Variety Description

Variety used for comparison: 'Russet Burbank'

Summary: The lightsprout of 'Targhee Russet' is medium size and conical shape whereas the lightsprout of 'Russet Burbank' is small and spherical in shape. The base of the lightsprout of 'Targhee Russet' has absent or very sparse to sparse pubescence whereas the base of the lightsprout of 'Russet Burbank' has medium to dense pubescence. The leaf of 'Targhee Russet' has a medium to strong presence of secondary leaflets whereas the leaf 'Russet Burbank' has a weak presence of secondary leaflets. The frequency of inflorescence per plant for 'Targhee Russet' is high whereas the frequency of inflorescence per plant for 'Russet Burbank' is low to medium.

Description:

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

PLANT: foliage structure is intermediate type where foliage is half open and stems are partly visible, upright growth habit, matures mid to late season

STEM: low extent of anthocyanin colouration along entire stem

LEAF: medium outline size, openness is intermediate between closed and open, medium green on upper side, low extent and weak intensity of anthocyanin colouration of upper side of midrib, medium to strong presence of secondary leaflets, absent or very low frequency of coalescence of terminal and lateral leaflets
SECOND PAIR OF LATERAL LEAFLETS: leaflet is medium size and narrower than long
LEAFLET: weak to medium waviness of margin, shallow to medium depth of veins, medium degree of glossiness of upper side, glabrous blade in apical rosette

INFLORESCENCE: high frequency per plant, medium size
PEDUNCLE: medium extent of anthocyanin colouration
FLOWER BUD: high extent of anthocyanin colouration
COROLLA: medium size
COROLLA (INNER SIDE): absent or very low extent of anthocyanin colouration, absent or very weak intensity of anthocyanin colouration, absent or low proportion of blue in anthocyanin colouration

TUBER: oval to long oval shape, white flesh
TUBER EYE: shallow, yellow base
TUBER SKIN: reddish brown

Origin & Breeding History: 'Targhee Russet' originated from a cross conducted in 2001 between 'A92303-7'' and 'A96004-8' at the University of Idaho Research and Extension Center, in Aberdeen, Idaho. 'Targhee Russet' was selected in 2002 for its positive agronomic characteristics and resistance to various diseases.

Tests & Trials: The comparative trial for 'Traghee Russet' was conducted by Global Agri Services Inc. during the growing season of 2016 in Drummond, New Brunswick. The trial consisted of a single, 19.5 metre long row containing 65 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.

Click on image for larger view
Targhee Russet
Potato: 'Traghee Russet' (left) with reference variety 'Russet Burbank' (right)

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