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Sunremi

Petunia

Denomination: 'Sunremi'
Trade name: Surfinia Patio Red
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
Breeder: Kazunari Iwaki, Shiga, Japan
Takuro Ishihara, Tokyo, Japan
Kiyoshi Miyazaki, Suntory Flowers Limited, Shiga, Japan
Shinya Miyano, Chiba-ken, Japan
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2005-02-09
Application Number: 05-4529
Grant of Rights Date: 2007-08-17
Certificate Number: 2838
Grant of Rights Termination Date: 2025-08-17

Variety Description

Variety used for comparison: 'USTUNI223' (Supertunia Red)

Summary: 'Sunremi' has darker green leaves than 'USTUNI223'. 'Sunremi' has shorter, narrower sepals than 'USTUNI223'. 'Sunremi' has a linear sepal shape while 'USTUNI223' has a spatulate sepal shape. 'Sunremi' has a smaller flower diameter and longer corolla tube than 'USTUNI223'.

Description:

PLANT: semi-upright to creeping growth habit, medium height and width

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

LEAVES: medium to long, medium to wide, ovate, narrow acute apex, no variegation, dark green on upper side, no blistering, petiole medium to long

SEPALS: medium length, narrow, linear, no anthocyanin colouration

FLOWERS: short to medium length pedicel, single corolla, medium diameter, trumpet shape
COROLLA: strong lobing, red on upper side, red pink on lower side, veins red and weakly conspicuous, margin with strong undulation
COROLLA TUBE: long, veins brown purple and strongly conspicuous on inner side
ANTHERS: yellowish white before and after dehiscence.

Origin & Breeding History: 'Sunremi' originated from a controlled cross between 'Polo Red' as the female parent and 'PAR1' as the male parent. The cross was made in March 2000 at Yokaichi-shi, Shiga-ken, Japan. In October 2000, 35 seedlings were obtained from the cross and grown in pots in the glasshouse for evaluation. In March 2001, 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 2002.

Tests & Trials: The tests and trials for 'Sunremi' 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 'Sunremi' with reference variety 'USTUNI223'

Sepal length (mm)

  'Sunremi' 'USTUNI223'
mean 16.8 21.8
std. deviation 1.23 2.15

Sepal width (mm)

  'Sunremi' 'USTUNI223'
mean 2.9 7.4
std. deviation 0.57 1.84

Flower diameter (cm)

  'Sunremi' 'USTUNI223'
mean 5.7 6.6
std. deviation 0.20 0.20

Colour of corolla (RHS)

  'Sunremi' 'USTUNI223'
upper side 45B 46D with 45B veins
lower side 47D 51A-B

Colour of corolla tube (RHS)

  'Sunremi' 'USTUNI223'
inner side 178B (veins) 186C (at transition to the corolla lobes)

Corolla tube length (mm)

  'Sunremi' 'USTUNI223'
mean 31.2 25.2
std. deviation 1.55 1.75

Click on image for larger view
Sunremi
Petunia: 'Sunremi' (left) with reference variety 'USTUNI223' (right)

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