Sunsurf Bumiusa


Denomination: 'Sunsurf Bumiusa'
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: 2012-12-07
Application Number: 12-7808
Date Withdrawn: 2015-07-07

Variety Description

Variety used for comparison: 'Sunsurfcopavio' (Surfinia Mounding Patio Indigo)

Summary: The leaf blade of 'Sunsurf Bumiusa' is smaller than that of 'Sunsurfcopavio'. The leaf blade of 'Sunsurf Bumiusa' has absent or weak blistering while that of 'Sunsurfcopavio' has a medium degree of blistering. The pedicel of 'Sunsurf Bumiusa' is shorter than that of 'Sunsurfcopavio'. The sepal and flower of 'Sunsurf Bumiusa' are narrower than those of 'Sunsurfcopavio'. The flower of 'Sunsurf Bumiusa' has a weak degree of lobing while that of 'Sunsurfcopavio' has a strong degree of lobing. The outer side of the corolla tube of 'Sunsurf Bumiusa' is blue violet while it is violet for 'Sunsurfcopavio'.


PLANT: semi-upright

LEAF: ovate, narrow acute apex, no variegation, medium green, absent or weak blistering

PEDICEL: medium intensity of anthocyanin colouration
FLOWER: single, salverform, weak degree of lobing, absent or very shallow incision of margins, medium degree of undulation, weak conspicuousness of veins, violet veins, main colour of inner side is violet (much darker than RHS N82A) to dark violet (as dark as RHS 83B)
NEWLY OPENED FLOWER: inner side is dark violet (RHS 83A)
AGED FLOWER: inner side is violet (closest to RHS N82A)
COROLLA LOBE: cuspidate apex
COROLLA TUBE: inner side is violet (RHS N82B), medium conspicuousness of veins on inner side, outer side is blue violet (closest to RHS 83C)
ANTHER: violet before dehiscence

Origin & Breeding History: 'Sunsurf Bumiusa' originated from a controlled pollination between the female parent 'Px1167-02' and the male parent 'P04820' in July 2008 at the Omi Research and Development Center of Suntory Flowers Ltd. in Higashiomi-shi, Shiga, Japan. 'Sunsurf Bumiusa' was selected in July 2009 based on its growth habit and flower size and flower colour.

Tests & Trials: The comparative trial for 'Sunsurf Bumiusa' 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 27, 2014. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Sunsurf Bumiusa' with reference variety 'Sunsurfcopavio'

Leaf length (cm)

  'Sunsurf Bumiusa' 'Sunsurfcopavio'
mean 3.2 6.0
std. deviation 0.20 0.61

Leaf width (cm)

  'Sunsurf Bumiusa' 'Sunsurfcopavio'
mean 1.4 3.3
std. deviation 0.12 0.29

Pedicel length (cm)

  'Sunsurf Bumiusa' 'Sunsurfcopavio'
mean 1.7 3.9
std. deviation 0.36 1.10

Sepal width (cm)

  'Sunsurf Bumiusa' 'Sunsurfcopavio'
mean 0.2 0.4
std. deviation 0.03 0.10

Flower width (cm)

  'Sunsurf Bumiusa' 'Sunsurfcopavio'
mean 3.1 4.1
std. deviation 0.09 0.13

Colour of corolla tube (RHS)

  'Sunsurf Bumiusa' 'Sunsurfcopavio'
outer side closest to 83C N81C

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

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

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

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