Denomination: 'Kiedahbic'
Trade name: Amazon Pink Tricolor
Botanical Name: Dahlia
Applicant/Holder: Kieft Bloemzaden B.V.
Elbaweg 35
1607 MN
Breeder: Cees Van Diepen, Kieft Bloemzaden B.V., Venhuizen, Netherlands
Agent in Canada: Variety Rights Management
475 County Road 18
R.R. #2
Oxford Station, Ontario
K0G 1T0
Tel: 613-258-9015
Application Date: 2002-09-04
Application Number: 02-3238
Date abandoned: 2008-10-01

Variety Description

Variety used for comparison: 'Balnovost'

Summary: 'Kiedahbic' is a dahlia variety which differs mainly from 'Balnovost' in flower colours. The ray florets of 'Kiedahbic' are purple pink toward the apex, white from the middle zone towards the base and yellow at the base. The ray florets of 'Balnovost' are a lighter purple pink colour with reddish colour at the base. 'Kiedahbic' also has shorter and narrower ray florets than the reference variety.


PLANT: upright growth habit
STEM: medium green, weak anthocyanin colouration, straight shape, no pubescence

LEAF: both simple and compound, elliptic, denticulate to dentate margin, moderately leathery texture, weak glaucosity, no pubescence, medium green
PETIOLE: no wings, weak anthocynin colouration

FLOWER: semi-double, located above and in foliage, tricoloured, purple main colour, white secondary colour, yellow tertiary colour
RAY FLORET: pointed tip, purple violet at apex, whitish from middle to near base, yellow at base
DISC: florets present, yellow
BRACTS: elliptical, yellowish to light green

Origin & Breeding History: 'Kiedahbic' was developed from a cross made by the breeder between two parental lines (female line 96.1750 x male line 97.1335) in 1998 in Venhuizen, The Netherlands. The new plant was selected from the seedling population in 1999 based on its uniformity and stability, its new flower colour combination, as well as its suitability for inclusion in the Dahlstar, Amazon dahlia series.

Tests & Trials: Tests and trials for 'Kiedahbic' were conducted in a polyhouse in Oxford Station, Ontario during the summer of 2006. The trial consisted of 15 plants per variety, grown in 10cm pots and spaced approximately 25 cm apart in a polyhouse. Measured characteristics were based on ten measurements. All colour observations were made using the RHS Colour Chart 2001.

Comparison tables for 'Kiedahbic' with reference variety 'Balnovost'

Length of ray floret (mm)

  'Kiedahbic' 'Balnovost'
mean 16.38 29.13
std. deviation 2.45 3.14

Width of ray floret (mm)

  'Kiedahbic' 'Balnovost'
mean 7.34 18.05
std. deviation 0.87 2.20

Main colour of ray floret (RHS)

  'Kiedahbic' 'Balnovost'
upper side N81B-C N74D to 73B-C
lower side N81C-D 73D

Click on image for larger view
Dahlia: 'Kiedahbic' (left) with reference variety 'Balnovost' (right)

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