Denomination: 'USTUN29801'
Trade name: Supertunia Indigo Charm
Botanical Name: Petunia ×hybrida
Applicant/Holder: Plant 21 LLC
32149 Aquaduct Road
Bonsall, California
United States of America
Breeder: Ushio Sakazaki, Shiga, Japan
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-631-6241
Application Date: 2010-02-25
Application Number: 10-6872
Grant of Rights Date: 2012-06-22
Certificate Number: 4351
Date rights surrendered: 2014-06-22

Variety Description

Variety used for comparison: 'Suncopablue' (Surfinia Baby Compact Blue)

Summary: The leaf of 'USTUN29801' is longer than that of 'Suncopablue'. The sepals of 'USTUN29801' are longer than those of 'Suncopablue'. The upper side of the corolla lobe of 'USTUN29801' differs from 'Suncopablue' in violet colour.


PLANT: creeping growth habit, shoot thickness ranging from thin to medium

LEAF: elliptic, narrow acute apex, no variegation, light to medium green on upper side, no blistering

SEPAL: linear, anthocyanin colouration present
FLOWER: single, funnelform, purple veins
COROLLA LOBE: one colour on upper side, upper side violet (RHS N81A) when newly opened, upper side violet (RHS N81B-N78A) when fully opened, weak to medium conspicuousness of veins on upper side, medium undulation of the margin
COROLLA TUBE: violet (RHS N82D) with brown purple (RHS N77A) veins on inner side, medium to strong conspicuousness of veins on inner side, anthers violet before dehiscence

Origin & Breeding History: 'USTUN29801' originated from a controlled cross conducted by the breeder Ushio Sakazaki, in Higashiomi, Shiga, Japan as part of a planned breeding program. The cross between the female parent variety 'MP20' and the male parent variety 'Bluette Blue' was conducted in Japan on May 14, 2004. The new Petunia was selected as a single plant on July 17, 2007 in Bonsall, California, U.S.A based on plant branching, flower size and flower colour. 'USTUN29801' was first propagated by vegetative cuttings on July 20, 2007 in Bonsall, California, U.S.A.

Tests & Trials: Trials for 'USTUN29801' were conducted in a polyhouse during the spring of 2011 in St. Thomas, Ontario. The trial included a total of 15 plants each of the candidate and reference varieties. All plants were grown from rooted cuttings and transplanted into 15 cm pots on April 20, 2011. Observations and measurements were taken from 10 plants of each variety on May 31, 2011. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'USTUN29801' with reference variety 'Suncopablue'

Leaf length (cm)

  'USTUN29801' 'Suncopablue'
mean 4.9 4.4
std. deviation 0.25 0.24

Sepal length (cm)

  'USTUN29801' 'Suncopablue'
mean 1.7 1.2
std. deviation 0.08 0.13

Colour of corolla lobe (RHS)

  'USTUN29801' 'Suncopablue'
upper side - newly opened close to N81A brighter than 86A
upper side - fully opened close to N81B with N78A tones close to N87A

Click on image for larger view
Petunia: 'USTUN29801' (left) with reference variety 'Suncopablue' (right)

Click on image for larger view
Petunia: 'USTUN29801' (left) with reference variety 'Suncopablue' (right)

Click on image for larger view
Petunia: 'USTUN29801' (left) with reference variety 'Suncopablue' (right)

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