Kakegawa S81


Denomination: 'Kakegawa S81'
Trade name: Liricashower Trailing Bright Rose
Botanical Name: Calibrachoa
Applicant/Holder: Sakata Seed Corporation
2-7-1 Nakamachidai
Breeder: Sakata Seed Corporation, Yokohama, Japan
Agent in Canada: Variety Rights Management
475 County Road 18
R.R. #2
Oxford Station, Ontario
K0G 1T0
Tel: 613-258-9015
Application Date: 2004-03-18
Application Number: 04-4122
Date Withdrawn: 2007-11-20

Variety Description

Variety used for comparison: 'Kakegawa S54' (Colorburst Crystal Pink)

Summary: 'Kakegawa S81' has a slightly longer leaf than 'Kakegawa S54'. The flower colour of 'Kakegawa S81' is purple to blue pink on the upper side while it is blue pink in 'Kakegawa S54'. 'Kakegawa S81' has a slightly darker violet colour on the lower side of the flower than 'Kakegawa S54'. The corolla tube of 'Kakeagawa S81' is slightly longer than 'Kakegawa S54'.


PLANT: short height, upright to creeping growth habit
SHOOT: medium length, absent or very weak anthocyanin colouration

LEAF BLADE: shape ranging from elliptic to obovate, obtuse apex, medium green upper side, no variegation, no petiole

FLOWER: single type, absent anthocyanin colouration of sepals
COROLLA: weak lobing, truncate apex of corolla lobe, purple to blue pink (RHS N74B/C) upper side with white at the transition zone to the corolla tube, violet (RHS 75A) lower side
COROLLA TUBE (inner side): light yellow (RHS 11B), medium conspicuousness of veins

Origin & Breeding History: 'Kakegawa S81' originated from a cross made in November 1998 in Kakegawa, Japan. The female parent was calibrachoa breeding line 982-1and the male parent was the calibrachoa breeding line K7-1158. In February 1999, F1 seed was sown from this cross and planted in a greenhouse. Four plants with purple pink flower colour and semi-creeping habit were selected and intercrossed to produce F2 generation seed. In August 1999, 120 lines of the F2 seed were evaluated. The F2 plants ranged from mounding to semi-creeping habit, as well as being either rose-pink, blue and white in flower colour. One plant was selected for their deep rose flower colour and extra semi-creeping habit and were vegetatively propagated. This selection was evaluated in 9cm pots in a greenhouse as well as under field conditions.

Tests & Trials: Test and trials for 'Kakegawa S81' were Trial was conducted during the summer of 2006 at Oxford Station, Ontario. 15 plants of each variety were individually grown in 10 cm pots in a poly house. Plants were spaced 13 cm apart. Observations and measurements were taken on 10 plants of each variety. All colour observations were made using the RHS Colour Chart 2001.

Comparison tables for 'Kakegawa S81' with reference variety 'Kakegawa S54'

Leaf length (cm)

  'Kakegawa S81' 'Kakegawa S54'
mean 4.03 2.96
std. deviation 0.60 0.39

Corolla lobe colour (RHS)

  'Kakegawa S81' 'Kakegawa S54'
upper side N74B/C N74C/D
upper side transition zone white N/A
lower side 75A 75A/B

Click on image for larger view
Kakegawa S81
Calibrachoa: 'Kakegawa S81' (left) with reference variety 'Kakegawa S54' (right)

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