Kerivoryvein

Petunia

Denomination: 'Kerivoryvein'
Trade name: Supertunia White Russian
Botanical Name: Petunia ×hybrida
Applicant/Holder: Kerley, Priscilla Grace
49 Station Road Bethany, Over
Cambridge
CB24 5NJ
United Kingdom

Kerley, David William
49 Station Road Bethany, Over
Cambridge
CB24 5NJ
United Kingdom
Tel: 44 1954 230 995

Kerley, Timothy Edward
37 Thornhill Place, Longstanton
Cambridge
CB24 3EE
United Kingdom
Breeder: David William Kerley, Cambridge, United Kingdom
Priscilla Grace Kerley, Cambridge, United Kingdom
Timothy Edward Kerley, Cambridge, United Kingdom
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-631-6241
Application Date: 2011-04-27
Application Number: 11-7267
Date Withdrawn: 2014-05-23

Variety Description

Variety used for comparison: 'Potunia Blackberry Ice'

Summary: The growth habit of 'Kerivoryvein' is creeping while 'Potunia Blackberry Ice' is upright. The plant of 'Kerivoryvein' is shorter than the plant of 'Potunia Blackberry Ice'. The shoots of 'Kerivoryvein' are thin to medium while 'Potunia Blackberry Ice' has medium to thick shoots. The leaves of 'Kerivoryvein' have an obtuse apex while those of 'Potunia Blackberry Ice' have a narrow acute apex. The flower of 'Kerivoryvein' is larger in diameter than the flower of 'Potunia Blackberry Ice'.

Description:

PLANT: creeping growth habit, lower third of shoots thin to medium

LEAF BLADE: ovate and elliptic, obtuse apex, no variegation, medium green on upper side, no blistering

SEPAL: linear, no anthocyanin colouration
FLOWER: single, salverform, purple veins
COROLLA LOBE: one colour on upper side, upper side white (RHS NN155B) with dark violet (RHS 79A-B) primary veins and lighter dark violet (RHS 79C-D) secondary veins, very strong conspicuousness of veins on upper side, medium to strong undulation of margin
COROLLA TUBE: inner side white (RHS 155A) with brown purple (RHS N77A) primary veins and dark violet (RHS N79A-B) secondary veins, strong conspicuousness of veins
ANTHERS: yellow before dehiscence.

Origin & Breeding History: The variety 'Kerivoryvein' originated from a controlled cross conducted in August 2007 in Cambridge, United Kingdom, as part of a controlled breeding program. The female parent was a proprietary breeding selection designated '04-17-1' and the male parent was a proprietary breeding selection designated '04-19-4'. The initial selection was made in May 2008 based on plant growth habit, flower and vein colour, and flower size. The new variety was first propagated by vegetative tip cuttings in September 2008.

Tests & Trials: Trials for 'Kerivoryvein' were conducted in a polyhouse during the summer of 2012 at BioFlora Inc. in St. Thomas, Ontario. The trial included 20 plants each of the candidate and reference varieties. All plants were grown from rooted cuttings and transplanted into 15 cm pots on August 7, 2012. Observations and measurements were taken from 10 plants of each variety on September 14, 2012. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Kerivoryvein' with reference variety 'Potunia Blackberry Ice'

Plant height (cm)

  'Kerivoryvein' 'Potunia Blackberry Ice'
mean 10.9 16.4
std. deviation 1.09 1.00

Diameter of flower (cm)

  'Kerivoryvein' 'Potunia Blackberry Ice'
mean 5.2 6.5
std. deviation 0.18 0.21

Colour of upper side of corolla lobe (RHS)

  'Kerivoryvein' 'Potunia Blackberry Ice'
main NN155B NN155D
primary veins 79A-B N79A-B
secondary veins 79C-D N79B

Click on image for larger view
Kerivoryvein
Petunia: 'Kerivoryvein' (left) with reference variety 'Potunia Blackberry Ice' (right)

Click on image for larger view
Kerivoryvein
Petunia: 'Kerivoryvein' (left) with reference variety 'Potunia Blackberry Ice' (right)

Click on image for larger view
Kerivoryvein
Petunia: 'Kerivoryvein' (left) with reference variety 'Potunia Blackberry Ice' (right)

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