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USCAL53002

Calibrachoa

Denomination: 'USCAL53002'
Trade name: Superbells Yellow
Botanical Name: Calibrachoa
Applicant/Holder: Plant 21 LLC
32149 Aquaduct Road
Bonsall, California
92003
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
Canada
Tel: 519-317-7511
Application Date: 2009-03-27
Application Number: 09-6587
Grant of Rights Date: 2011-08-19
Certificate Number: 4138
Date rights surrendered: 2016-08-19

Variety Description

Varieties used for comparison: 'Balcabyelow' (Cabaret Yellow) and 'Danoa37' (Noa Yellow)

Summary: The leaves of 'USCAL53002' are larger than those of both reference varieties. The flowers of 'USCAL53002' are larger than those of 'Danoa37'. The corolla of 'USCAL53002' has a weak degree of lobing while that of 'Balcabyelow' has a medium to strong lobing. 'USCAL53002' differs from both reference varieties in the yellow colour of the upper side of the corolla lobes.

Description:

PLANT: upright to trailing growth habit

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

SEPAL: no anthocyanin colouration
FLOWER: single type
COROLLA: weak degree of lobing, yellow veins, one colour on upper side
COROLLA LOBE: light yellow (RHS 9C-D) on upper side, weak to medium conspicuousness of veins on upper side, light yellow (RHS 11C) on lower side, rounded and truncate apex
COROLLA TUBE: yellow (RHS 9A) on inner side, veins ranging from weak to medium conspicuousness on inner side

Origin & Breeding History: 'USCAL53002' originated from a controlled cross between the female parent proprietary seedling designated 'C423-01' and the male parent proprietary seedling designated 'C445-02' conducted in Higashiomi, Shiga, Japan on May 5, 2006. The new variety is the product of a planned breeding program developed by the breeder, Ushio Sakazaki, in Higashiomi, Shiga, Japan. 'USCAL53002' was selected as a single plant from the resultant progeny on July 17, 2007 in Bonsall, California, United States based on flower colour, growth habit and summer performance. The new variety 'USCAL53002' was first propagated by vegetative cuttings on July 20, 2007, in Bonsall, California, United States.

Tests & Trials: Trials for 'USCAL53002' were conducted in a polyhouse during the summer of 2010 in St. Thomas, Ontario. The trial included a total of 20 plants each of the candidate and reference varieties. All plants were grown from rooted cuttings and transplanted into 30 cm hanging baskets on May 21, 2010. Each basket contained 4 cuttings with a total of 5 baskets per variety. Observations and measurements were taken from 10 plants of each variety on July 13, 2010. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'USCAL53002' with reference varieties 'Balcabyelow' and 'Danoa37'

Leaf length (cm)

  'USCAL53002' 'Balcabyelow' 'Danoa37'
mean 4.0 2.8 3.3
std. deviation 0.30 0.21 0.37

Leaf blade width (cm)

  'USCAL53002' 'Balcabyelow' 'Danoa37'
mean 1.4 0.8 1.1
std. deviation 0.15 0.06 0.13

Colour of corolla lobe (RHS)

  'USCAL53002' 'Balcabyelow' 'Danoa37'
upper side 9C with 9B secondary veins and throat opening, 9D along margin 6D with 6B-C secondary veins and thoat opening 9A-B

Click on image for larger view
USCAL53002
Calibrachoa: 'USCAL53002' (left) with reference varieties 'Balcabyelow' (centre) and 'Danoa37' (right)

Click on image for larger view
USCAL53002
Calibrachoa: 'USCAL53002' (left) with reference varieties 'Balcabyelow' (centre) and 'Danoa37' (right)

Click on image for larger view
USCAL53002
Calibrachoa: 'USCAL53002' (left) with reference varieties 'Balcabyelow' (centre) and 'Danoa37' (right)

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