Synjac Perl

Chrysanthemum

Denomination: 'Synjac Perl'
Trade name: Jacqueline Pearl
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: 2009-10-30
Application Number: 09-6768
Grant of Rights Date: 2012-12-14
Certificate Number: 4444
Date rights surrendered: 2015-12-14

Variety Description

Variety used for comparison: 'Yotiffany' (Tiffany White)

Summary: The leaf of 'Synjac Perl' is shorter than the leaf of 'Yotiffany'. The flower bud of 'Synjac Perl' is light yellow while the flower bud of 'Yotiffany' is light yellow brown with light yellow at the apex. The flower head of 'Synjac Perl' has ligulate ray florets while the flower head of 'Yotiffany' has ligulate and spatulate ray florets. The flower head of 'Synjac Perl' is smaller in diameter than the flower head of 'Yotiffany'. The ray floret of 'Synjac Perl' is shorter in length than the ray floret of 'Yotiffany'. The inner side of the ray floret of 'Synjac Perl' is white with violet secondary colour and darker streaks of blue pink at the apex with age while the inner side of the ray floret of 'Yotiffany' is white with no secondary colour.

Description:

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

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

INFLORESCENCE: flat corymbiform, many flower heads per plant
BUD: outer side light yellow (RHS 10D to 4D)
FLOWER HEAD: double, low height, medium to dense ray florets, predominately ligulate type ray florets
RAY FLORET: two keels on upper surface, very short corolla tube, flat to weakly convex in cross section at widest part, flat margin, straight along longitudinal axis with medium incurving at distal quarter with age, emarginate tip, inner side white (RHS NN155A), apex of outer florets develop violet (RHS 75C-D) colour with darker blue pink (RHS N74C) streaks with age, outer side white (RHS NN155A), inner and outer side of ray florets of inner rows light yellow (RHS 4D).

Origin & Breeding History: The variety 'Synjac Perl' originated from a naturally occurring whole plant mutation of a plant designated 03-M345D. The variety was discovered by the breeder in November 2006 in Alva, Florida, USA. The new variety was selected based on criteria for flower colour and plant habit.

Tests & Trials: Trials for 'Synjac Perl' 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 the candidate variety on September 20, 2011 and the reference variety on September 16, 2011. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Synjac Perl' with reference variety 'Yotiffany'

Leaf length (cm)

  'Synjac Perl' 'Yotiffany'
mean 3.2 4.2
std. deviation 0.26 0.43

Colour of bud (RHS)

  'Synjac Perl' 'Yotiffany'
outer side 10D to 4D 159A with 8C at apex

Flower head diameter (cm)

  'Synjac Perl' 'Yotiffany'
mean 4.2 4.9
std. deviation 0.18 0.40

Ray floret length (cm)

  'Synjac Perl' 'Yotiffany'
mean 1.8 2.2
std. deviation 0.19 0.09

Colour of inner side of ray floret (RHS)

  'Synjac Perl' 'Yotiffany'
main NN155A NN155C
secondary 75C-D, streaks of N74C at apex with age N/A

Click on image for larger view
Synjac Perl
Chrysanthemum: 'Synjac Perl' (left) with reference variety 'Yotiffany' (right)

Click on image for larger view
Synjac Perl
Chrysanthemum: 'Synjac Perl' (left) with reference variety 'Yotiffany' (right)

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