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Denomination: 'KLEPH15313'
Trade name: Night Sky
Botanical Name: Petunia ×hybrida
Applicant/Holder: Klemm & Sohn GmbH & Co. KG
Hanfacker 10
70378 Stuttgart-Muhlhausen
Breeder: Antonella Capo, Latina, Italy
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-317-7511
Application Date: 2015-04-02
Provisional Protection:: 2015-04-02
Application Number: 15-8584
Grant of Rights Date: 2019-09-04
Certificate Number: 6051
Grant of Rights Termination Date: 2039-09-04

Variety Description

Variety used for comparison: 'Kakegawa S28' (Supertunia Royal Velvet)

Summary: The leaf of 'KLEPH15313' is larger than that of 'Kakegawa S28'. The upper side of the corolla of 'KLEPH15313' has very small to large white spots distributed irregularly whereas the corolla of 'Kakegawa S28' has none. Before dehiscence, the anthers of 'KLEPH15313' are light blue whereas those of 'Kakegawa S28' are light yellow.


PLANT: semi-upright to spreading growth habit

LEAF BLADE: elliptic, broad acute apex, no variegation, medium green on upper side

PEDICEL: absent or very weak intensity of anthocyanin colouration on upper third
FLOWER: single type, funnelform
COROLLA: strong degree of lobing, absent or very shallow margin incisions, weak degree of undulation
COROLLA (INNER SIDE): weak conspicuousness of purple veins, dark violet (RHS 83A) when newly opened, dark violet (RHS 83A) with white (RHS NN155D) spots when fully opened, spots ranging in size from very small to large and distributed irregularly, blue violet (RHS N87A-B) when aged
COROLLA LOBE: rounded apex
COROLLA TUBE: inner side violet (RHS N80B-C), medium conspicuousness of veins on inner side, outer side violet (RHS 77B-C)
ANTHER: light blue before dehiscence

Origin & Breeding History: 'KLEPH15313' originated from a hybrid cross conducted by the breeder, Antonella Capo, in Latina, Italy. The cross was made between the female parent variety, 'PH-2012-3528', and the male parent variety, 'Surprise Marine', in April 2012. Seedlings were selected in April 2013, in Latina, based on the stability of the flower colour pattern and the plant quality. The selected seedlings were evaluated in multiple greenhouse trials between October 2013 and May 2014 and were assessed for cold tolerance, plant growth habit, plant quality, flower colour and flower colour pattern. 'KLEPH15313' was selected as a single seedling for commercialization in the fall of 2014, in Stuttgart, Germany.

Tests & Trials: The comparative trial for 'KLEPH15313' was conducted in a polyhouse during the spring of 2018 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 cm pots on April 16, 2018. Observations and measurements were taken from 10 plants, or parts of plants, of each variety on May 25, 2018. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'KLEPH15313' with reference variety 'Kakegawa S28'

Leaf length (cm)

  'KLEPH15313' 'Kakegawa S28'
mean 7.2 4.3
std. deviation 0.64 0.42

Leaf blade width (cm)

  'KLEPH15313' 'Kakegawa S28'
mean 3.6 2.9
std. deviation 0.45 0.39

Colour of inner side of corolla (RHS)

  'KLEPH15313' 'Kakegawa S28'
secondary NN155D N/A

Click on image for larger view
Petunia: 'KLEPH15313' (left) with reference variety 'Kakegawa S28' (right)

Click on image for larger view
Petunia: 'KLEPH15313' (left) with reference variety 'Kakegawa S28' (right)

Click on image for larger view
Petunia: 'KLEPH15313' (left) with reference variety 'Kakegawa S28' (right)

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