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Sunsurfgigabu

Petunia

Denomination: 'Sunsurfgigabu'
Trade name: Surfinia Giant Blue
Botanical Name: Petunia ×hybrida
Applicant/Holder: Suntory Flowers Limited
Administrative Division
4-17-5 Shiba, Minato-ku
Tokyo
108-0014
Japan
Tel: +81-3-5419-1382

Keisei Rose Nurseries, Inc.
755 Owadashinden
Yachiyo
Chiba
276-0046
Japan
Tel: +81-(0)47-459-0212
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2005-10-17
Application Number: 05-5118
Grant of Rights Date: 2007-08-17
Certificate Number: 2839
Grant of Rights Termination Date: 2025-08-17

Variety Description

Variety used for comparison: 'Revolution Violet No. 3' (Surfinia Blue/Violet)

Summary: 'Sunsurfgigabu' has a less upright growth habit than 'Revolution Violet No. 3'. 'Sunsurfgigabu' has a longer, wider sepal than 'Revolution Violet No. 3'. 'Sunsurfgigabu' has a larger flower diameter than 'Revolution Violet No. 3'. 'Sunsurfgigabu' has a slightly different flower colour and has a longer corolla tube than 'Revolution Violet No. 3'.

Description:

PLANT: creeping growth habit, medium height, medium to wide

SHOOTS: medium to thick, medium length, absent to very weak anthocyanin colouration

LEAVES: short to medium length, medium width, ovate, broad acute to rounded apex, no variegation, light to medium green on upper side, blistering present, petiole short to medium in length

SEPALS: medium to long, wide to very wide, spatulate, strong margin undulation, no anthocyanin colouration

FLOWERS: short pedicel, single corolla, large to very large diameter, trumpet shape
COROLLA: strong to very strong lobing, dark violet on upper and lower side, veins dark purple and very weakly conspicuous, margin with strong to very strong undulation
COROLLA TUBE: long, veins dark violet and moderately conspicuous on inner side
ANTHERS: white and green before pollen dehiscence, whitish green after dehiscence.

Origin & Breeding History: 'Sunsurfgigabu' originated from a controlled cross between 'Titan Blue' as the female parent and '79-200' as the male parent. The cross was made in August 2001 at Yokaichi-shi, Shiga-ken, Japan. In April 2002, 80 seedlings were obtained from the cross and grown in pots in the glasshouse for evaluation. In August 2002, one seedling was selected based on its growth habit, flower size and colour. That seedling was propagated by cuttings and a trial was carried out by flower potting and bedding from April to September 2003.

Tests & Trials: The tests and trials for 'Sunsurfgigabu' were conducted in a polyhouse at BioFlora in St. Thomas, Ontario in the spring of 2006. The trials included 15 plants of each variety. Rooted cuttings were transplanted into six inch pots on April 17, 2006. Observations and measurements were taken from 10 plants of each variety. All colour measurements were made using the 2001 Royal Horticultural Society Colour Chart.


Comparison tables for 'Sunsurfgigabu' with reference variety 'Revolution Violet No. 3'

Sepal length (mm)

  'Sunsurfgigabu' 'Revolution Violet No. 3'
mean 20.8 16.0
std. deviation 2.10 1.15

Sepal width (mm)

  'Sunsurfgigabu' 'Revolution Violet No. 3'
mean 8.2 4.4
std. deviation 1.32 0.70

Flower diameter (cm)

  'Sunsurfgigabu' 'Revolution Violet No. 3'
mean 7.3 6.5
std. deviation 0.34 0.38

Colour of corolla (RHS)

  'Sunsurfgigabu' 'Revolution Violet No. 3'
upper side N82A (darker than) with tones of N78B 83A (darker than)
lower side N82A-B N87B-C, with pink tones near veins and throat of corolla tube

Colour of corolla tube (RHS)

  'Sunsurfgigabu' 'Revolution Violet No. 3'
inner side N82A-B 77A-B

Corolla tube length (mm)

  'Sunsurfgigabu' 'Revolution Violet No. 3'
mean 31.2 22.8
std. deviation 1.23 1.69

Click on image for larger view
Sunsurfgigabu
Petunia: 'Sunsurfgigabu' (left) with reference variety 'Revolution Violet No. 3' (right)

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