Bold Yonew York

Chrysanthemum

Variety Description

Variety used for comparison: 'Yonew York' (New York)

Summary: The main colour on the inner side of the ray floret of 'Bold Yonew York' is violet with darker violet at the apex while the main colour on the inner side of the ray floret of 'Yonew York' is white. The secondary colour on the inner side of the ray floret of 'Bold Yonew York' is light blue violet and white in a flushed pattern at the base while the inner side of the ray floret of 'Yonew York' is light blue violet in a flushed pattern throughout. The inner side of the ray florets of 'Bold Yonew York' from the inner rows is violet with darker violet at the apex while the inner side of the ray florets from the inner rows of 'Yonew York' is white with blue pink at the apex.

Description:

PLANT: bushy type, upright growth habit, green stem

PETIOLE: moderately upwards to horizontal attitude, medium length relative to leaf length
LEAF: terminal lobe very long relative to leaf length, lowest lateral sinus deep with parallel to converging margins, base obtuse to truncate, upper side medium green with absent or weak glossiness, medium number of deep margin indentations

FLOWER: many flower heads per plant, outer side of bud violet (RHS 75B) with lighter violet (RHS 75D) at base, daisy-eyed double head type
RAY FLORETS: dense, predominantly ligulate type with quill-like secondary type, upper surface smooth to weakly keeled, two or more keels, short corolla tube, weakly concave to flat profile in cross section at widest point, moderately involute margin at basal quarter, weak to medium reflexing of longitudinal axis at distal quarter, ray florets from inner rows straight along longitudinal axis, tip emarginate to dentate
RAY FLORET - INNER SIDE: violet (RHS 75B) with darker violet (RHS 75A) at apex, secondary colour light blue violet (RHS 69D) and white (RHS NN155D) at basal quarter, secondary colour in a flushed pattern, ray florets from inner row violet (RHS 75B-C) with darker violet (RHS 75A) at apex
DISC: green before anther dehiscence with no dark spot at centre, yellowish green at anther dehiscence.

Origin & Breeding History: The variety 'Bold Yonew York' originated from a naturally occurring whole plant mutation of the parent variety 'Yonew York'. The variety was discovered and selected by the breeder in December 2006 in Fort Myers, Florida, USA. Selection was based on criteria for growth habit, flowering response time, flower form and colour, suitability for year round production and excellent post production longevity. Asexual reproduction by vegetative tip cuttings was first conducted in Fort Myers, Florida in March 2007.

Tests & Trials: Trials for 'Bold Yonew York' were conducted in a greenhouse trial during the Fall of 2011 in Niagara-on-the-Lake, Ontario. On August 8, 2011, fifty unrooted cuttings were directly stuck into 15 cm pots, with 5 cuttings per pot. The trial included a total of 10 pots of each variety spaced 30 cm apart. Plants were pinched once prior to short day treatment. Observations and measurements were taken from 10 plants of each variety on November 8, 2011. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'Bold Yonew York' with reference variety 'Yonew York'

Colour of inner side of ray floret from outer rows (RHS)

Colour of inner side of ray floret from inner rows (RHS)

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Chrysanthemum: 'Bold Yonew York' (left) with reference variety 'Yonew York' (right)

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Chrysanthemum: 'Bold Yonew York' (left) with reference variety 'Yonew York' (right)