Focus

Potato

Denomination: 'Focus'
Botanical Name: Solanum tuberosum
Applicant/Holder: Brunia, Simon
Morenelaan 6
8317 AV
Kraggenburg
Netherlands
Tel: 31 527 252420

Brunia, Sjouke
Zwartemeerweg 54
8317PD
Kraggenburg
Netherlands
Tel: 31 527 252434

Brunia-Doorenbos, S.
Morenelaan 6, 8317AX
Kraggenburg
Netherlands

Brunia, H.
Box 397
Chilliwack, British Columbia
V2P6J7
Canada

Grondsma-Brunia, J.
Lange Achte 56, 8629 PL
Scharnegoutum
Netherlands
Breeder: Simon Brunia, Kraggenburg, Netherlands
Agent in Canada: Solanum International Inc.
#7-52001 Range Road 275
Spruce Grove, Alberta
T7X 3V2
Canada
Tel: 780-963-4507
Application Date: 2004-01-13
Application Number: 04-3942
Protective direction granted: 2004-01-13
Grant of Rights Date: 2009-02-20
Certificate Number: 3453
Exemption from compulsory licensing: Yes
Expiry date for exemption from compulsory licensing: 2011-02-20
Grant of Rights Termination Date: 2027-02-20

Variety Description

Variety used for comparison: 'Bintje'

Summary: 'Focus' has a semi-upright growth habit while it is semi-upright to spreading for 'Bintje'. 'Focus' has a longer and wider leaf than 'Bintje'. The inflorescence is larger on 'Focus' than on 'Bintje'. 'Focus' has weak anthocyanin colouration in the flower bud while it is very strong for 'Bintje'. The tuber shape is oval for 'Focus' while it is oblong for 'Bintje'. 'Focus' has larger light sprouts with longer lateral shoots than 'Bintje'.

Description:

PLANT: semi-upright growth habit, stem to intermediate type foliage structure
STEM: medium anthocyanin colouration, thin to medium thickness, nodes with absent or very low swelling

LEAVES: medium green, intermediate silhouette, weak anthocyanin colouration on upper side of rachis and petiole, shallow depth of veins, weak to medium waviness of margin, dull glossiness on upper side, no pubescence on leaves of apical rosette, medium presence of secondary leaflets
TERMINAL LEAFLET: broad ovate shape, acute to acuminate tip, cordate base, absent or very low frequency of coalescence with lateral leaflets
LATERAL LEAFLET: large, medium ovate shape, acute to acuminate tip, cordate base

INFLORESCENCE: medium flowering profusion, medium size, flower buds persist, weak anthocyanin colouration of flower bud
COROLLA: white, very small, prominant star, absent or very weak anthocyanin colouration on peduncle

TUBER: oval
TUBER SKIN: light beige, yellow at base of eye, weak anthocyanin colouration, rough and flaky texture
TUBER EYES: shallow in depth, evenly distributed, eyebrows slightly prominent
TUBER FLESH: medium yellow, no secondary colour

LIGHT SPROUT: large, ovoid shape, few root tips, medium lateral shoots
BASE: very strong anthocyanin colouration, high proportion of blue in anthocyanin colouration, sparse pubescence
TIP: smaller than base in size, closed habit, strong anthocyanin colouration, medium pubescence

Origin & Breeding History: 'Focus' originated from a cross between 'Agria' and 'BRU82-36-78' in 1986.

Tests & Trials: Trials for 'Focus' were conducted in Drummond, New Brunswick in 2007. All entries were planted in single-row plots. Plots consisted of rows 22 metres long with 30 cm in row spacing between plants and spacing between rows of 91 cm. Measured characteristics were based on 10 measurements. Colour determinations were made using the 1986 RHS colour chart.


Comparison tables for 'Focus' with reference variety 'Bintje'

Leaf length (including petiole) (cm)

  'Focus' 'Bintje'
mean 29.8 24.7
std. deviation 1.9 2.1

Leaf width (cm)

  'Focus' 'Bintje'
mean 21.5 14.2
std. deviation 4.7 1.5

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