Denomination: 'Imdobicor'
Trade name: Heartbeat Compact Orange Bicolor
Botanical Name: Impatiens walleriana
Applicant/Holder: Syngenta Seeds B.V.
P.O. Box 2
1600 AA
Breeder: Monica Sanders, Syngenta Seeds B.V., Enkhuizen, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-631-6241
Application Date: 2005-05-04
Application Number: 05-4848
Date Withdrawn: 2007-11-09

Variety Description

Variety used for comparison: 'Balfiespray' (Fiesta Sparkler Cherry)

Summary: 'Imdobicor' has a smaller plant than 'Balfiespray'. The leaf of 'Imdobicor' is slightly shorter than 'Balfiespray'. 'Imdobicor' has stronger anthocyanin colouration on the midrib of the lower side of the leaf than 'Balfiespray'. The flower of 'Imdobicor' is white with red along the edge of the petals while it is white with dark pink red irregularly distributed for 'Balfiespray'.


PLANT: short, medium width, medium anthocyanin colouration on the upper third of the shoot

LEAF: very short to short, no variegation, dark green, medium anthocyanin colouration on the midvein of the upper side, red and green between the veins on the lower side, weak anthocyanin colouration on the midrib and veins of the lower side, weak to medium anthocyanin colouration on the upper side of the petiole

FLOWER: double type, small to medium diameter, white with red along the edge of the petals on upper side, white with orange red along margins on lower side, short to medium pedicel, very weak anthocyanin colouration on the pedicel
SPUR: absent to very weak anthocyanin colouration, weak curvature

Origin & Breeding History: 'Imdobicor' originated from a cross made in October 2002 in Enkhuizen, The Netherlands, between the female parent 'T2830-1' and the male parent 'T2827-1'. A plant was selected from the resultant progeny in April 2003, in Enkhuizen, The Netherlands based on compact growth habit, early flowering and flower colour.

Tests & Trials: Trials were conducted during the summer of 2006 in St. Thomas, Ontario. Trials include 15 plants of each variety individually grown in 15cm pots in a poly house. Observations and measurements were taken from 10 plants of each variety. All colour measurements were made using RHS colour chart 2001.

Comparison tables for 'Imdobicor' with reference variety 'Balfiespray'

Plant height (cm)

  'Imdobicor' 'Balfiespray'
mean 19.1 28.6
std. deviation 1.95 3.83

Plant width (cm)

  'Imdobicor' 'Balfiespray'
mean 38.7 43.8
std. deviation 3.40 3.77

Leaf length (cm)

  'Imdobicor' 'Balfiespray'
mean 5.3 6.0
std. deviation 0.46 0.49

Flower petal colour (RHS)

  'Imdobicor' 'Balfiespray'
upper side white with 40A along petal margin white with 53C irregularly distributed
lower side white with 40C along petal margin white with 53D along petal margin

Click on image for larger view
Impatiens: 'Imdobicor' (left) with reference variety 'Balfiespray' (right)

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