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USCAL83901

Calibrachoa

Denomination: 'USCAL83901'
Trade name: Superbells Double Ruby
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: 2011-06-10
Application Number: 11-7311
Grant of Rights Date: 2013-08-19
Certificate Number: 4591
Grant of Rights Termination Date: 2031-08-19

Variety Description

Variety used for comparison: 'KLECA09207' (MiniFamous Double Magenta)

Summary: The flowers of 'USCAL83901' are larger than those of 'KLECA09207'. The upper side of the corolla lobes of 'USCAL83901' are dark purple red to dark pink red while those of 'KLECA09207' are purple to purple red with blue pink between the lobes and along the margins. The lower side of the corolla lobes of 'USCAL83901' are brown purple while those of 'KLECA09207' are blue pink.

Description:

PLANT: upright to trailing growth habit

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

SEPAL: no anthocyanin colouration
FLOWER: double, medium degree of lobing, one colour on upper side
COROLLA LOBE: upper side when fully opened dark purple red to dark pink red (RHS 53B-C) with dark purple red (RHS 60B) secondary veins, medium to strong conspicuousness of red purple veins on upper side, lower side brown purple (RHS 186A-B), truncate apex
COROLLA TUBE: yellow (RHS 12A) with brown purple at transition to corolla lobes on inner side, medium conspicuousness of veins on inner side

Origin & Breeding History: 'USCAL83901' originated from a controlled cross between the female parent, a proprietary seedling designated '08CJ12-01' and the male parent, a proprietary seedling designated 'C555-03', conducted in Higashiomi, Shiga, Japan on May 20, 2008. The new Calibrachoa variety is the product of a planned breeding program developed by the breeder, Ushio Sakazaki, in Higashiomi. The new variety was selected as a single plant from the resultant progeny on May 27, 2009 in Bonsall, California, United States. Selection was based on growth habit, flowering time and stability of double type flowers. 'USCAL83901' was first propagated by vegetative cuttings on May 23, 2009 in Bonsall, California, United States.

Tests & Trials: Trials for 'USCAL83901' were conducted during the summer of 2012 in St. Thomas, Ontario. The trial included a total of 18 plants each of the candidate and reference variety. All plants were grown from rooted cuttings and transplanted into 30 cm hanging baskets on April 19, 2012. Each basket contained 3 cuttings with a total of 6 baskets per variety. Observations and measurements were taken from 10 plants of each variety on June 4, 2012. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'USCAL83901' with reference variety 'KLECA09207'

Flower diameter (cm)

  'USCAL83901' 'KLECA09207'
mean 3.0 2.5
std. deviation 0.19 0.13

Colour of upper side of corolla lobe (RHS)

  'USCAL83901' 'KLECA09207'
main 53B to 53C towards margin 61B-C and 67C with N66C between lobes along margin

Colour of lower side of corolla lobe (RHS)

  'USCAL83901' 'KLECA09207'
main 186A-B N66D

Click on image for larger view
USCAL83901
Calibrachoa: 'USCAL83901' (left) with reference variety 'KLECA09207' (right)

Click on image for larger view
USCAL83901
Calibrachoa: 'USCAL83901' (left) with reference variety 'KLECA09207' (right)

Click on image for larger view
USCAL83901
Calibrachoa: 'USCAL83901' (left) with reference variety 'KLECA09207' (right)

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