Sywan Pur

Chrysanthemum

Denomination: 'Sywan Pur'
Trade name: Wanda Purple
Botanical Name: Chrysanthemum ×morifolium
Applicant/Holder: Syngenta Crop Protection AG
Schwarzwaldallee 215
Basel
4058
Switzerland
Breeder: Mark Smith, Syngenta Flowers, Inc., Gilroy, United States of America
Agent in Canada: BioFlora Inc.
38723 Fingal Line
R.R. #1
St. Thomas, Ontario
N5P 3S5
Canada
Tel: 519-631-6241
Application Date: 2010-04-09
Application Number: 10-6934
Grant of Rights Date: 2012-12-14
Certificate Number: 4445
Grant of Rights Termination Date: 2030-12-14

Variety Description

Variety used for comparison: 'Bold Yovanessa' (Bold Vanessa)

Summary: The plant of 'Sywan Pur' is shorter than the plant of 'Bold Yovanessa'. The plant of 'Sywan Pur' has a hemispherical growth habit while the plant of 'Bold Yovanessa' has a semi-upright growth habit. The outer side of the ray floret is violet overlaid with purple to purple red while the ray floret of 'Bold Yovanessa' is purple with slightly darker purple at the apex and violet at the base.

Description:

PLANT: bushy, hemispherical growth habit, dense branching
STEM: green tinged with purple or brown

LEAF: moderately upwards attitude of petiole, terminal lobe medium in length relative to leaf length, lowest lateral lobe of sinus medium in depth with diverging margins, obtuse base, weak glossiness on upper side, dark green on upper side, margin indentations few in number and shallow

INFLORESCENCE: flat corymbiform, many flower heads per plant
BUD: outer side purple (RHS 71A)
FLOWER HEAD: low height, dense ray florets, predominately ligulate type ray florets
RAY FLORET: ascending attitude of basal part, two weak keels on upper surface, absent to very short corolla tube, weakly concave to flat in cross section at widest part, flat margin, weak to medium reflexing along longitudinal axis at distal half, emarginate and tri-dentate tip, inner side purple (RHS 71A-B) with lighter streaks of violet (RHS 75B), outer side violet (RHS 75A-B) overlaid with purple to purple red (RHS 60C-D).

Origin & Breeding History: The variety 'Sywan Pur' originated from a naturally occurring whole plant mutation of the parent variety 'Yowanda'. The variety was discovered by the breeder on November 27, 2007, in Alva, Florida, USA. The new variety was selected based on criteria for flower colour, flower size, response time and plant habit.

Tests & Trials: Trials for 'Sywan Pur' were conducted in an outdoor irrigated trial during the summer of 2011 in St. Thomas, Ontario. The trial included a total of 15 plants each of the candidate and reference varieties. All plants were grown from rooted cuttings and transplanted into 20 cm pots on June 23, 2011. Observations and measurements were taken from 10 plants of each variety on October 10, 2011. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart


Comparison tables for 'Sywan Pur' with reference variety 'Bold Yovanessa'

Plant height (cm)

  'Sywan Pur' 'Bold Yovanessa'
mean 33.9 41.2
std. deviation 2.64 1.81

Colour of ray floret (RHS)

  'Sywan Pur' 'Bold Yovanessa'
outer side 75A-B, overlaid with 60C-D 64A with 61A at tip, 75A-B at base

Click on image for larger view
Sywan Pur
Chrysanthemum: 'Sywan Pur' (left) with reference variety 'Bold Yovanessa' (right)

Click on image for larger view
Sywan Pur
Chrysanthemum: 'Sywan Pur' (left) with reference variety 'Bold Yovanessa' (right)

Click on image for larger view
Sywan Pur
Chrysanthemum: 'Sywan Pur' (left) with reference variety 'Bold Yovanessa' (right)

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