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Sutwihug

Sutera

Denomination: 'Sutwihug'
Trade name: Cloud Nine Nimbus
Botanical Name: Sutera diffusa
Applicant/Holder: Syngenta Seeds B.V.
P.O. Box 2
1600 AA
Enkhuizen
Netherlands
Breeder: Har Stemkens, Syngenta Seeds B.V., Enkhuizen, Netherlands
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-317-7511
Application Date: 2006-11-09
Application Number: 06-5664
Date Withdrawn: 2008-08-25

Variety Description

Varieties used for comparison: 'Suttis 98' (Cabana) and 'Danova906' (Snowstorm Giant Snowflake)

Summary: The plants of 'Sutwihug' have a semi-drooping growth habit while those of 'Danova906' are drooping. 'Sutwihug' has less branching and weaker anthocyanin colouration of the stems than both reference varieties. The shoots of 'Sutwihug' are shorter with shorter internodes and lighter green leaves than those of 'Danova906'. 'Sutwihug' has a larger corolla diameter and a shorter corolla tube than 'Suttis 98'.

Description:

PLANT: semi-drooping growth habit, moderate degree of branching
STEM: weak to moderate anthocyanin colouration

LEAF: simple type
LEAF BLADE: ovate, crenate and dentate margin, many marginal teeth, no variegation, light green on upper side, sparse pubescence on upper side

INFLORESCENCE: cluster type, positioned in both terminal and axillary locations along stem
PEDICEL: medium thick
COROLLA: partially fused corolla lobes, strong degree of lobing, very weak undulation of margin, white on upper side
COROLLA TUBE: straight attitude, funnel shape, dense and short pubescence on outer side, yellow orange on inner side
ANTHERS: positioned slightly above corolla tube opening

Origin & Breeding History: 'Sutwihug' was developed by the breeder, Har Stemkens, an employee of Syngenta Seeds B.V. in Enkhuizen, The Netherlands. It originated from a controlled cross conducted in August 2002, in Enhkuizen, between the female parent designated 'E0109-1' and the male parent designated 'D0028-1'. The selection of 'Sutwihug' was based on its' flower size and number of flowers.

Tests & Trials: Trials for 'Sutwihug' were conducted in a poly-house during the summer of 2007 at BioFlora Inc. in St. Thomas, Ontario. The trial included a total of fifteen (15) plants per variety. All plants were grown from rooted cuttings and transplanted into 15 cm pots on May 9, 2007. Observations and measurements were taken from ten (10) plants or parts of plants on June 13, 2007. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Sutwihug' with reference varieties 'Suttis 98' and 'Danova906'

Shoot length (cm)

  'Sutwihug' 'Suttis 98' 'Danova906'
mean 20.4 19.9 26.8
std. deviation 2.10 2.21 4.03

Internode length (cm)

  'Sutwihug' 'Suttis 98' 'Danova906'
mean 2.5 2.3 3.7
std. deviation 0.41 0.44 0.37

Corolla diameter (mm)

  'Sutwihug' 'Suttis 98' 'Danova906'
mean 19.0 15.1 18.9
std. deviation 1.94 1.45 2.02

Corolla tube length (mm)

  'Sutwihug' 'Suttis 98' 'Danova906'
mean 5.3 8.2 10.6
std. deviation 0.82 0.63 0.84

Click on image for larger view
Sutwihug
Sutera: 'Sutwihug' (left) with reference varieties 'Danova906' (centre) and 'Suttis 98' (right)

Click on image for larger view
Sutwihug
Sutera: 'Sutwihug' (left) with reference varieties 'Danova906' (centre) and 'Suttis 98' (right)

Click on image for larger view
Sutwihug
Sutera: 'Sutwihug' (left) with reference varieties 'Danova906' (centre) and 'Suttis 98' (right)

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