Sunsurf Skytatsu

Petunia

Denomination: 'Sunsurf Skytatsu'
Trade name: Surfinia Trailing Heavenly Blue
Botanical Name: Petunia
Applicant/Holder: Suntory Flowers Limited
Administrative Division
4-17-5 Shiba, Minato-ku
Tokyo
108-0014
Japan
Breeder: Yasuko Isobe, Suntory Flowers Limited, Shiga, Japan
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-631-6241
Application Date: 2012-12-21
Application Number: 12-7827
Grant of Rights Date: 2015-06-30
Certificate Number: 5074
Grant of Rights Termination Date: 2035-06-30

Variety Description

Variety used for comparison: 'Jam Litbule' (Sanguna Sky Blue)

Summary: The plants of 'Sunsurf Skytatsu' are spreading while those of 'Jam Litbule' are upright. The leaf blade of 'Sunsurf Skytatsu' is ovate and shorter than that of 'Jam Litbule', which is elliptic. The sepal of 'Sunsurf Skytatsu' is larger than that of 'Jam Litbule'. The flower of 'Sunsurf Skytatsu' has a strong degree of lobing while that of 'Jam Litbule' has a medium degree of lobing. The inner side of the flower of 'Sunsurf Skytatsu' is blue violet when newly opened fading to lighter blue violet as it ages while that of 'Jam Litbule' is violet when newly opened fading to a lighter and bluer violet as it ages. The inner side of the corolla tube of 'Sunsurf Skytatsu' is blue violet with a whiter blue violet at the transition to the corolla while the inner side of the corolla tube of 'Jam Litbule' is violet. The outer side of the corolla tube of 'Sunsurf Skytatsu' is violet while it is light blue violet for 'Jam Litbule'.

Description:

PLANT: spreading

LEAF: ovate, broad acute apex, no variegation, medium green, weak blistering

PEDICEL: no anthocyanin colouration, occasional medium intensity of anthocyanin colouration at calyx base
FLOWER: single, campanulate, strong degree of lobing, absent or very shallow incisions of margin, strong degree of undulation, weak conspicuousness of veins, violet veins, inner side is blue violet (closest to RHS N88B-C)
NEWLY OPENED: inner side is blue violet (RHS N88B)
AGED FLOWER: inner side is blue violet (lighter than RHS N88B)
COROLLA LOBE: cuspidate apex
COROLLA TUBE: inner side is blue violet (RHS N88C) with lighter blue violet (whiter than RHS N88D) at transition to the corolla, medium conspicuousness of veins on inner side, outer side is violet (duller than RHS N87B)
ANTHER: yellowish white before dehiscence

Origin & Breeding History: 'Sunsurf Skytatsu' originated from a controlled pollination between the female parent 'BOSK' and the male parent 'Px2613-01' in July 2009 at the Omi Research and Development Center of Suntory Flowers Ltd. in Higashiomi-shi, Shiga, Japan. 'Sunsurf Skytatsu' was selected in June 2010 based on its growth habit, flower size and flower colour.

Tests & Trials: The comparative trial for 'Sunsurf Skytatsu' was conducted in a polyhouse during the spring of 2014 at BioFlora Inc. in St. Thomas, Ontario. The trial included a total of 20 plants each of the candidate and reference variety. All plants were grown from rooted cuttings and transplanted into 15.2 cm pots on April 11, 2014. Observations and measurements were taken from 10 plants of each variety on May 16, 2014. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Sunsurf Skytatsu' with reference variety 'Jam Litbule'

Leaf length (cm)

  'Sunsurf Skytatsu' 'Jam Litbule'
mean 4.8 6.4
std. deviation 0.35 0.84

Sepal length (cm)

  'Sunsurf Skytatsu' 'Jam Litbule'
mean 2.0 1.5
std. deviation 0.10 0.12

Sepal width (cm)

  'Sunsurf Skytatsu' 'Jam Litbule'
mean 1.0 0.5
std. deviation 0.08 0.07

Colour of inner side of flower (RHS)

  'Sunsurf Skytatsu' 'Jam Litbule'
newly opened N88B N87A
fully opened closest to N88B-C N87B
aged lighter than N88D bluer than N87D

Colour of corolla tube (RHS)

  'Sunsurf Skytatsu' 'Jam Litbule'
inner side N88C with whiter than N88D at transition to corolla N87C
outer side duller than N87B lighter than 86D

Click on image for larger view
Sunsurf Skytatsu
Petunia: 'Sunsurf Skytatsu' (left) with reference variety 'Jam Litbule' (right)

Click on image for larger view
Sunsurf Skytatsu
Petunia: 'Sunsurf Skytatsu' (left) with reference variety 'Jam Litbule' (right)

Click on image for larger view
Sunsurf Skytatsu
Petunia: 'Sunsurf Skytatsu' (left) with reference variety 'Jam Litbule' (right)

Date modified: