Didi Appleblossom


Denomination: 'Didi Appleblossom'
Trade name: Double Diamond Appleblossom
Botanical Name: Impatiens walleriana
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Breeder: Johanna Jonkers, Goldsmith Seeds Europe B.V., Andijk, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Tel: 519-631-6241
Application Date: 2002-12-16
Application Number: 02-3395
Grant of Rights Date: 2004-06-04
Certificate Number: 1821
Date rights surrendered: 2014-06-04

Variety Description

Variety used for comparison: 'Balfieplos'

Summary: 'Didi Appleblossom' is a double impatiens variety which has lighter green leaves with shorter petioles than the reference variety 'Balfieplos'. The flower colour of 'Didi Appleblossom' is very light pink to white, whereas 'Balfieplos' has whitish flowers with pink veins and margins, giving the flowers an overall brighter pink colour. 'Didi Appleblossom' also has a shorter pedicel than 'Balfieplos'.


'Didi Appleblossom' is a double impatiens variety which has no anthocyanin colouration on its shoots. The leaves are light to medium green with no anthocyanin colouration on the upper side. The lower side of the leaf blade is green between the veins and there is no anthocyanin on the midrib or veins of the lower side or on the leaf petiole.

'Didi Appleblossom' produces double, very light pinkish white flowers with one colour only. There is no eye zone. Anthocyanin colouration on the pedicel and flower spur is absent.

Origin & Breeding History: 'Didi Appleblossom' originated from a cross made in February 2000, in Andijk, the Netherlands between the female parent IDT-32-49 and the male parent IN-1787-7. In September 2000, a single plant was selected by the breeder from the F1 progeny, based on flower colour, form and plant habit.

Tests & Trials: Tests and trials for 'Didi Appleblossom' were conducted in a polyhouse in St. Thomas, Ontario during the summer of 2003. The trials consisted of a total of 15 plants of each variety. All plants were grown from unrooted cuttings, stuck on March 14 (week 11) and transplanted into 11.5 cm pots on April 23rd, 2003 (week 17). Observations and measurements were taken from 10 plants of each variety on June 10, 2003. Colour determinations were made using the 2001 RHS Colour Chart.

Comparison tables for 'Didi Appleblossom' with reference variety 'Balfieplos'

Leaf length (cm)

  'Didi Appleblossom' 'Balfieplos'
mean 4.18 4.62
std. deviation 0.46 0.93

Leaf width (cm)

  'Didi Appleblossom' 'Balfieplos'
mean 2.99 2.90
std. deviation 0.42 0.51

Petiole length (cm)

  'Didi Appleblossom' 'Balfieplos'
mean 0.92 2.51
std. deviation 0.24 0.84

Pedicel length (mm)

  'Didi Appleblossom' 'Balfieplos'
mean 21.50 31.90
std. deviation 6.70 11.84

Colour of petal (RHS)

  'Didi Appleblossom' 'Balfieplos'
upper side - main colour white (outer), N155C (inner) N155B
upper side - secondary colour N/A N66C/D (veins), N66A (base)
lower side - main colour white N155B, N66C/D (margin)
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