Denomination: 'Petouch'
Trade name: Sanguna White
Botanical Name: Petunia ×hybrida
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Breeder: Theodorus C. M. van Kleinwee, Hoorn, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-631-6241
Application Date: 2007-12-10
Application Number: 07-6060
Grant of Rights Date: 2010-06-01
Certificate Number: 3849
Date rights surrendered: 2014-06-01

Variety Description

Varieties used for comparison: 'Petwiblv' (Supertunia Mini Silver) and 'Kakegawa S30' (Supertunia White)

Summary: The plants of 'Petouch' are shorter than those of 'Kakegawa S30'. 'Petouch' has larger leaves than both reference varieties. 'Petouch' has anthocyanin colouration present at the base and on the midrib of the sepals while both reference varieties have none. The flowers of 'Petouch' are larger than those of 'Petwiblv'. 'Petouch' has funnelform flowers with purple veins while 'Kakegawa S30' has salverform flowers with yellow veins. The inner side of the corolla tube of 'Petouch' is light yellow while that of 'Petwiblv' is violet and that of 'Kakegawa S30' is white. 'Petouch' has strong conspicuousness of veins on the inner side of the corolla tube while 'Kakegawa S30' has medium conspicuousness. The anthers of 'Petouch' are yellowish white while those of 'Petwiblv' are light blue to violet.


PLANT: creeping growth habit, medium shoot thickness

LEAF: ovate, narrow acute apex, no variegation, medium to dark green on upper side, no blistering

SEPAL: linear, anthocyanin colouration on base and midrib
FLOWER: single type, funnelform, medium to strong degree of lobing, purple veins
COROLLA LOBE: two coloured on upper side, white with light blue violet (RHS 85C-D) blush towards lobe apex on upper side, weak to medium conspicuousness of veins on upper side, medium undulation of margin
COROLLA TUBE: light yellow (RHS 4D) on inner side, strong conspicuousness of brown purple (RHS N77A) veins on inner side, yellowish white before anther dehiscence

Origin & Breeding History: 'Petouch' originated from a controlled pollination of the female petunia plant identified as Y0892 with pollen from another petunia plant identified as A1057. The new variety was bred and developed by the breeder D. van Keinwee, in Enkhuizen, The Netherlands, in July 2001. A single seedling was selected in May 2002, in Enkhuizen based on time of maturity, flower colour, plant growth habit and plant stability. Asexual reproduction by cuttings of the new variety was first conducted in August 2002, in Enkhuizen, The Netherlands.

Tests & Trials: Trials for 'Petouch' were conducted in a polyhouse during the spring of 2009 in St. Thomas, Ontario. The trial included a total of 15 plants each of the candidate and reference varieties. All plants were grown from rooted cuttings and transplanted into 15 cm pots on April 30, 2009. Observations and measurements were taken from 10 plants of each variety on May 27, 2009. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Petouch' with reference varieties 'Petwiblv' and 'Kakegawa S30'

Plant height (cm)

  'Petouch' 'Petwiblv' 'Kakegawa S30'
mean 13.0 13.6 18.1
std. deviation 1.40 1.59 1.98

Leaf length (cm)

  'Petouch' 'Petwiblv' 'Kakegawa S30'
mean 3.8 2.6 2.2
std. deviation 0.19 0.26 0.20

Leaf width (cm)

  'Petouch' 'Petwiblv' 'Kakegawa S30'
mean 2.0 1.8 1.5
std. deviation 0.17 0.20 0.09

Flower diameter (cm)

  'Petouch' 'Petwiblv' 'Kakegawa S30'
mean 6.5 5.2 6.9
std. deviation 0.21 0.28 0.16

Colour of corolla tube (RHS)

  'Petouch' 'Petwiblv' 'Kakegawa S30'
inner side 4D N80D 155B-C

Click on image for larger view
Petunia: 'Petouch' (left) with reference varieties 'Petwiblv' (center) and 'Kakegawa S30' (right)

Click on image for larger view
Petunia: 'Petouch' (left) with reference varieties 'Petwiblv' (center) and 'Kakegawa S30' (right)

Click on image for larger view
Petunia: 'Petouch' (left) with reference varieties 'Petwiblv' (center) and 'Kakegawa S30' (right)

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