Denomination: 'USCALI386-2'
Trade name: Superbells White Improved
Botanical Name: Calibrachoa
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: 2007-02-23
Application Number: 07-5762
Grant of Rights Date: 2009-09-23
Certificate Number: 3630
Date rights surrendered: 2017-08-29

Variety Description

Varieties used for comparison: 'Sunbelkuho' (Million Bells Trailing White) and 'KLECA06122' (MiniFamous Perfect White)

Summary: The plants of 'USCALI386-2' are larger than those of 'Sunbelkuho'. The flowers of 'USCALI386-2' are larger than those of both reference varieties. 'USCALI386-2' has very weak to weak degree of lobing of the corolla while 'Sunbelkuho' has medium degree of lobing and 'KLECA06122' has weak to medium degree of lobing. The corolla tube of 'USCALI386-2' is longer than that of both reference varieties. 'USCALI386-2' is a darker yellow on the inner side of the corolla tube than both reference varieties.


PLANT: upright growth habit, medium height, medium width

LEAF BLADE: short to medium length, elliptic, narrow acute apex, no variegation, medium green on upper side, no blistering
PETIOLE: very short to short

SEPAL: short, narrow, lanceolate, no anthocyanin colouration
FLOWER: single, medium diameter, salverform, very short to short pedicel
COROLLA: very weak to weak degree of lobing, one coloured on upper side
COROLLA LOBE: white upper side, very weak conspicuousness of veins on upper side, white lower side, truncate apex
COROLLA TUBE: long, yellow on inner side, very weak conspicuousness of veins on inner side
ANTHER: yellow before pollen dehiscence

Origin & Breeding History: 'USCALI386-2' originated from a controlled cross between the female parent 'CJ157-03' and the male parent 'CJ181-01' conducted on May 18, 2004 by the breeder Ushio Sakazaki, in Shiga, Japan . The new variety was selected as a single plant from the resultant progeny on May 24, 2005 in Gensingen, Germany. Selection was based on plant growth habit, flower size, summer performance and Thielaviopsis resistance. 'USCALI386-2' was first propagated by vegetative cuttings on May 25, 2005, in Gensingen, Germany.

Tests & Trials: Trials for 'USCALI386-2' were conducted in a polyhouse during the spring of 2008 in St. Thomas, Ontario. The trials 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 23, 2008. 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 22, 2008. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'USCALI386-2' with reference varieties 'Sunbelkuho' and 'KLECA06122'

Plant height (cm)

  'USCALI386-2' 'Sunbelkuho' 'KLECA06122'
mean 20.1 11.7 17.2
std. deviation 1.34 1.15 3.11

Plant width (cm)

  'USCALI386-2' 'Sunbelkuho' 'KLECA06122'
mean 61.5 52.6 61.7
std. deviation 2.76 1.39 5.11

Flower diameter (cm)

  'USCALI386-2' 'Sunbelkuho' 'KLECA06122'
mean 3.3 2.8 2.7
std. deviation 0.19 0.16 0.09

Corolla tube length (cm)

  'USCALI386-2' 'Sunbelkuho' 'KLECA06122'
mean 1.9 1.4 1.5
std. deviation 0.11 0.07 0.09

Colour of corolla tube (RHS)

  'USCALI386-2' 'Sunbelkuho' 'KLECA06122'
inner side 9A 8B-C 12B-C

Click on image for larger view
Calibrachoa: 'USCALI386-2' (left) with reference varieties 'Sunbelkuho' (centre) and 'KLECA06122' (right)

Click on image for larger view
Calibrachoa: 'USCALI386-2' (left) with reference varieties 'Sunbelkuho' (centre) and 'KLECA06122' (right)

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