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Kakegawa S86

Calibrachoa

Denomination: 'Kakegawa S86'
Trade name: Colorburst Pro Gold
Botanical Name: Calibrachoa
Applicant/Holder: Sakata Seed Corporation
2-7-1 Nakamachidai
Tsuzuki-Ku
Yokohama
224-0041
Japan
Breeder: Akinobu Ui, Sakata Seed Corporation, Shizuoka, Japan
Masao Bessho, Sakata Seed Corporation, Marslev, Denmark
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2006-03-31
Application Number: 06-5409
Grant of Rights Date: 2008-08-29
Certificate Number: 3307
Date rights surrendered: 2012-09-06

Variety Description

Variety used for comparison: 'Kakegawa S46' (Colorburst Yellow)

Summary: The plants of 'Kakegawa S86' are narrower and more compact than those of 'Kakegawa S46'. 'Kakegawa S86' has shorter shoots and shorter leaf blades than 'Kakegawa S46'. The upper side of the corolla lobe of 'Kakegawa S86' has one colour while that of 'Kakegawa S46' has two. 'Kakegawa S86' is light yellow with a darker yellow mid-vein and secondary veins on the upper side of the corolla while 'Kakegawa S46' is mainly white with yellow at area of transition to corolla tube and light yellow secondary veins. The undulation of the corolla margins of 'Kakegawa S86' is medium to strong while it is weak to medium for 'Kakegawa S46'.

Description:

PLANT: horizontal (very compact) growth habit, short to medium height, very small to small width
SHOOT: medium thickness, very short to short, absent or very weak anthocyanin colouration

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

SEPAL: short to medium length, medium width, elliptic and obovate, no anthocyanin colouration
FLOWER: single type, funnel form, short to medium pedicel length
COROLLA: small to medium diameter, medium degree of lobing, one colour on upper side
COROLLA LOBE: weak conspicuousness of light yellow veins on upper side, light yellow on lower side, medium to strong undulation of margin
COROLLA TUBE: short to medium length, yellow orange on inner side, weak conspicuousness of veins on inner side
ANTHER: yellow before pollen dehiscence, yellow after pollen dehiscence

Origin & Breeding History: 'Kakegawa S86' originated from a cross conducted during 2002, in Kakegawa, Japan. The cross was between the female proprietary breeding line 'S-24A-23' and the male proprietary breeding line '1B-69B'. The initial selection of 'Kakegawa S86' was made in 2003 based on its flower colour and growth habit. The variety has been maintained since 2003 through the use of vegetative shoot-tip cuttings.

Tests & Trials: Trials for 'Kakegawa S86' were conducted during the summer of 2007, in a polyhouse, in St. Thomas, Ontario. The trial included 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 1, 2007. Each basket contained 4 cuttings with a total of 5 baskets per variety. Observations and measurements were taken from 10 plants of each variety (except for plant height where 5 plants were measured) on July 3, 2007. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Kakegawa S86' with reference variety 'Kakegawa S46'

Shoot length (cm)

  'Kakegawa S86' 'Kakegawa S46'
mean 15.1 26.7
std. deviation 3.16 3.43

Leaf blade length (cm)

  'Kakegawa S86' 'Kakegawa S46'
mean 2.6 3.5
std. deviation 0.31 0.38

Main colour of corolla lobe (RHS)

  'Kakegawa S86' 'Kakegawa S46'
upper side 10B-C with 9A mid-vein and secondary veins 155B with 9B at area of transition to corolla tube and 10D secondary veins
lower side 11B and 12D 8D

Click on image for larger view
Kakegawa S86
Calibrachoa: 'Kakegawa S86' (left) with reference variety 'Kakegawa S46' (right)

Click on image for larger view
Kakegawa S86
Calibrachoa: 'Kakegawa S86' (left) with reference variety 'Kakegawa S46' (right)

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