Sunsurf Aotatsu


Denomination: 'Sunsurf Aotatsu'
Trade name: Surfinia Trailing Purple Majesty
Botanical Name: Petunia
Applicant/Holder: Suntory Flowers Limited
Administrative Division
4-17-5 Shiba, Minato-ku
Breeder: Yasuko Isobe, Suntory Flowers Limited, Shiga, Japan
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-631-6241
Application Date: 2012-12-21
Application Number: 12-7826
Grant of Rights Date: 2015-06-30
Certificate Number: 5073
Grant of Rights Termination Date: 2035-06-30

Variety Description

Variety used for comparison: 'Sunsurfgigabu' (Surfinia Giant Blue)

Summary: The leaf blade of 'Sunsurf Aotatsu' is narrower than that of 'Sunsurfgigabu'. The leaf blade apex of 'Sunsurf Aotatsu' is narrow acute while it is broad acute for 'Sunsurfgigabu'. The pedicel of 'Sunsurf Aotatsu' is longer than that of 'Sunsurfgigabu'. The inner side of the flower of 'Sunsurf Aotatsu' is dark violet when newly opened fading to blue violet as it ages while that of 'Sunsurfgigabu' is violet to dark violet when newly opened fading to a duller violet as it ages. The apex of the corolla lobe of 'Sunsurf Aotatsu' is cuspidate while it is rounded for 'Sunsurfgigabu'. The inner side of the corolla tube of 'Sunsurf Aotatsu' is purple violet while that of 'Sunsurfgigabu' is lighter violet. The outer side of the corolla tube of 'Sunsurf Aotatsu' is dark violet with lighter violet tones while the outer side of the corolla tube of 'Sunsurfgigabu' is a duller violet.


PLANT: spreading

LEAF: elliptic, narrow acute apex, no variegation, medium green, absent or 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, purple veins
FLOWER (INNER SIDE): dark violet (brighter and bluer than RHS 86A), dark violet (darker and brighter than RHS 86A) when newly opened, dark violet to blue violet (brighter than RHS 86A-B) when aged
COROLLA LOBE: cuspidate apex
COROLLA TUBE: inner side is violet (RHS N80B), medium conspicuousness of veins on inner side, outer side is dark violet (RHS 83B) with violet (RHS N81B) tones
ANTHER: yellowish white before dehiscence

Origin & Breeding History: 'Sunsurf Aotatsu' originated from a controlled pollination between the female parent 'Px5077-01' and the male parent 'Px107-5B' in July 2009 at the Omi Research and Development Center of Suntory Flowers Ltd. in Higashiomi-shi, Shiga, Japan. 'Sunsurf Aotatsu' was selected in September 2010 based on its growth habit, flower size and flower colour.

Tests & Trials: The comparative trial for 'Sunsurf Aotatsu' 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 Aotatsu' with reference variety 'Sunsurfgigabu'

Leaf width (cm)

  'Sunsurf Aotatsu' 'Sunsurfgigabu'
mean 2.0 2.8
std. deviation 0.21 0.13

Pedicel length (cm)

  'Sunsurf Aotatsu' 'Sunsurfgigabu'
mean 3.3 2.1
std. deviation 0.43 0.31

Colour of inner side of flower (RHS)

  'Sunsurf Aotatsu' 'Sunsurfgigabu'
newly opened darker and brighter than 86A darker than N87A and as dark as 83A
fully opened brighter and bluer than 86A brighter than N87A
aged brighter than 86A-B N87A

Colour of corolla tube (RHS)

  'Sunsurf Aotatsu' 'Sunsurfgigabu'
inner side N80B closest to 84A
outer side 83B with N81B tones duller than N81B-C

Click on image for larger view
Sunsurf Aotatsu
Petunia: 'Sunsurf Aotatsu' (left) with reference variety 'Sunsurfgigabu' (right)

Click on image for larger view
Sunsurf Aotatsu
Petunia: 'Sunsurf Aotatsu' (left) with reference variety 'Sunsurfgigabu' (right)

Click on image for larger view
Sunsurf Aotatsu
Petunia: 'Sunsurf Aotatsu' (left) with reference variety 'Sunsurfgigabu' (right)

Date modified: