Petelred

Petunia

Denomination: 'Petelred'
Trade name: Sanguna Electric Burgundy
Botanical Name: Petunia ×hybrida
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Basel
4058
Switzerland
Breeder: E. Barends, Syngenta Seeds B.V., Enkhuizen, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-631-6241
Application Date: 2005-05-13
Application Number: 05-4895
Grant of Rights Date: 2007-11-28
Certificate Number: 3045
Date rights surrendered: 2008-12-18

Variety Description

Varieties used for comparison: 'Kakegawa S36' (Supertunia Royal Magenta) and 'Jam Burg' (Jamboree Burgundy)

Summary: 'Petelred' has a more upright growth habit than the reference varieties. 'Petelred' has a shorter petiole than the reference varieties. 'Petelred' differs in flower colour and has a longer corolla tube than the reference varieties. The anthers of 'Petelred' are cream in colour before pollen dehiscence while the anthers of 'Kakegawa S36' are medium blue and the anthers of 'Jam Burg' are light purple.

Description:

PLANT: upright growth habit, medium height and width

SHOOTS: thin, medium length, absent to very weak anthocyanin colouration

LEAVES: short to medium length, medium width, ovate, narrow acute apex, no variegation, medium green on upper side, no blistering, short to medium length petiole

SEPALS: medium length, narrow width, linear to oblanceolate, anthocyanin colouration present

FLOWERS: medium length pedicel, single corolla, small to medium diameter, trumpet form
COROLLA: moderate to strong lobing, purple red on upper and lower side, veins dark purple and moderately conspicuous, margin with medium undulation
COROLLA TUBE: long to very long, black to grey on inner side, veins weakly conspicuous
ANTHERS: cream before and after pollen dehiscence.

Origin & Breeding History: 'Petelred' originated from a controlled cross made in 2000 in Enkhuizen, The Netherlands, between the female parent, 'A998' and the male parent 'Y953'. A plant was selected from the resultant progeny of the cross in 2001, based on plant habit and flower characteristics. Asexual reproduction by vegetative cuttings was first conducted in August, 2001 in Enkhuizen, The Netherlands.

Tests & Trials: The tests and trials for 'Petelred' were conducted in a polyhouse at BioFlora in St. Thomas, Ontario in the spring of 2006. The trials included 15 plants of each variety. Rooted cuttings were transplanted into six inch pots on April 17, 2006. Observations and measurements were taken from 10 plants of each variety. All colour measurements were made using the 2001 Royal Horticultural Society Colour Chart.


Comparison tables for 'Petelred' with reference varieties 'Kakegawa S36' and 'Jam Burg'

Petiole length (mm)

  'Petelred' 'Kakegawa S36' 'Jam Burg'
mean 3.9 8.7 10.2
std. deviation 1.10 1.70 3.49

Flower diameter (cm)

  'Petelred' 'Kakegawa S36' 'Jam Burg'
mean 5.0 6.2 6.3
std. deviation 0.27 0.23 0.29

Colour of corolla (RHS)

  'Petelred' 'Kakegawa S36' 'Jam Burg'
upper side N66A (more intense than) N74A (pinker than) 71A, with tones of N74A
lower side N57C 71D and N81C 72B

Colour of corolla tube (RHS)

  'Petelred' 'Kakegawa S36' 'Jam Burg'
inner side 187A-B 83B-C 77A

Corolla tube length (mm)

  'Petelred' 'Kakegawa S36' 'Jam Burg'
mean 36.5 28.6 30.7
std. deviation 0.97 2.12 2.26

Click on image for larger view
Petelred
Petunia: 'Petelred' (left) with reference varieties 'Kakegawa S36' (centre) and 'Jam Burg' (right)

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