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Sutcacomwi

Sutera

Denomination: 'Sutcacomwi'
Trade name: Cloud 9 Hot White
Botanical Name: Sutera diffusa
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Basel
4058
Switzerland
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: 2005-04-28
Application Number: 05-4814
Grant of Rights Date: 2007-11-28
Certificate Number: 3034
Date rights surrendered: 2008-12-18

Variety Description

Varieties used for comparison: 'Suttis 98' (Cabana) and 'Subagiwi' (Giant White Showers)

Summary: 'Sutcacomwi' has lighter green leaf blades and longer corolla tubes than 'Subagiwi'. The flowers of 'Sutcacomwi' are larger in diameter than those of both reference varieties. The inner side of the corolla tube is yellow for 'Sutcacomwi' while it is yellow to orange for 'Suttis 98' and orange for 'Subagiwi'. The anthers of 'Sutcacomwi' are positioned slightly above the corolla tube opening while those of 'Suttis 98' are positioned level with or below the corolla tube opening.

Description:

PLANT: semi-drooping to drooping growth habit, dense branching

SHOOT: strong intensity of anthocyanin colouration

LEAF: simple type
LEAF BLADE: broad ovate to orbicular, dentate margin, incisions of margin present, medium to many teeth per lobe, no variegation, medium green on upper side, dense pubescence on upper side

INFLORESCENCE: cluster type, positioned in both terminal and axillary locations on flowering stem
COROLLA: strong lobing
COROLLA LOBES: arrangement in corolla is not touching, weak undulation of margin, white on upper side
COROLLA TUBE: straight attitude, funnel shape, long and medium dense pubescence on outer side, yellow on inner side
ANTHERS: positioned slightly above corolla tube opening

Origin & Breeding History: 'Sutcacomwi' was developed by the breeder, Har Stemkens, an employee of Syngenta Seeds B.V. in Enkhuizen, The Netherlands. It originated from a cross made in August of 1999 between the female parent designated 'B78-1' and the male parent designated 'B79-1'. A plant from the resultant progeny was selected in May of 2000 and this same plant was selfed. Seeds from this cross were sown in January of 2001 and in May of the same year 'Sutcacomwi' was selected based on criteria for earliness of flowering and plant growth habit.

Tests & Trials: The test and trial for 'Sutcacomwi' was conducted in a polyhouse during the spring of 2006 at BioFlora Inc. in St. Thomas, Ontario. The trial included 15 plants of each variety. Rooted cuttings were transplanted into 15 cm pots on April 25, 2006. Observations and measurements were taken from 10 plants of each variety on June 9, 2006. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Sutcacomwi' with reference varieties 'Suttis 98' and 'Subagiwi'

Colour of leaf blade (RHS)

  'Sutcacomwi' 'Suttis 98' 'Subagiwi'
upper side 137A-B darker than 146A 147A

Flower diameter (mm)

  'Sutcacomwi' 'Suttis 98' 'Subagiwi'
mean 18.3 16.3 17.9
std. deviation 0.95 1.42 1.10

Corolla tube length (mm)

  'Sutcacomwi' 'Suttis 98' 'Subagiwi'
mean 8.8 9.0 7.5
std. deviation 0.63 1.33 0.53

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

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