G14402DAHL

Dahlia

Variety Description

Variety used for comparison: 'G13525' (Dahlightful Sultry Scarlet)

Summary: The leaf of 'G14402DAHL' is larger than the leaf of 'G13525'. The margin of the leaflet on 'G14402DAHL' has many incisions whereas the margin of the leaflet on 'G13525' has few to a medium number of incisions. The position of the flower head in relation to foliage on 'G14402DAHL' is at the same level whereas the flower head in relation to foliage on 'G13525' is moderately above the foliage.

Description:

PLANT: upright growth habit

STEM: green tinged with purple

LEAF: predominantly pinnate type, moderate prominence of wing, medium length to width ratio, flat with a weakly raised mid-vein
LEAF (UPPER SIDE): green tinged with purple, weak glossiness, smooth
LEAFLET: elliptic shape, acute shaped base, many deep incisions of margin

PEDUNCLE: purple
FLOWER HEAD: positioned at same level to slightly above foliage, horizontal attitude, semi-double daisy type, no collar segments, medium number of ray florets
RAY FLORET: medium to elongated length to width ratio, two keels on upper side, weakly concave at mid-point in cross-section, weakly concave at three quarter point from base in cross-section, flat margin, reflexing at tip along longitudinal axis, axis very weakly curved at tip, absent or very weak twisting, retuse and dentate apex
RAY FLORET (INNER SIDE): main colour darker than dark purple red (RHS 185A) with dark purple red (RHS 53A) tones, secondary colour purple (RHS 67A) in a flushed pattern at tip
RAY FLORET (OUTER SIDE): colour markedly different compared to main colour of inner side
DISC: small diameter relative to diameter of flower head
ANTHER: purple black (RHS 187A) before dehiscence, yellow to orange at dehiscence

Origin & Breeding History: 'G14402DAHL' was bred and developed by the breeders, Irene E. Palmer and Michael S. Uchneat formerly of GardenGenetics LLC, in Bellefonte, Pennsylvania, USA. 'G14402DAHL' originated from a cross conducted in July 2013 between the proprietary breeding line designated '3180-5M-2M-2' as the female parent and '3198-1-1' as the male parent. From the resulting progeny, 'G14402DAHL' was selected on March 14, 2014 for its vigorous plant growth, a mounded plant growth habit, semi-double flower type, large crimson coloured flowers, continuous flowering, and dark green to bronze purple foliage. 'G4402DAHL' was first propagated asexually using vegetative tip cuttings on October 13, 2014 in Bellefonte, Pennsylvania, USA.

Tests & Trials: The comparative trial of 'G14402DAHL' was conducted in a polyhouse during the spring of 2018 at BioFlora Inc., in St. Thomas, Ontario. The trial included a total of 20 plants each of the candidate and reference variety. All plants were grown from rooted cuttings and transplanted into 15 cm pots on April 11, 2018. Unless otherwise indicated, the observations and measurements were taken from 10 plants, or 10 parts of plants, of each variety on June 7, 2018. All colour determinations were made using the 2007 Royal Horticultural Society (RHS) Colour Chart.

Comparison tables for 'G14402DAHL' with reference variety 'G13525'

Leaf length (including petiole) (cm)

Leaf width (cm)

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Dahlia: 'G14402DAHL' (left) with reference variety 'G13525' (right)

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Dahlia: 'G14402DAHL' (left) with reference variety 'G13525' (right)

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Dahlia: 'G14402DAHL' (left) with reference variety 'G13525' (right)