Goalia Scarl

Dahlia

Variety Description

Varieties used for comparison: 'Goalia Oran' (Goldalia Orange) and 'Balnovburs' (Dahlietta Sunburst)

Summary: The plants of 'Goalia Scarl' are shorter than those of both reference varieties. Relative to the length of the ray florets, the collar segments of 'Goalia Scarl' are moderately shorter while those of 'Balnovburs' are slightly to moderately shorter. The upper side of the ray floret of 'Goalia Scarl' is red with darker red tones while it is red for 'Balnovburs' and red to orange red with a red centre for 'Goalia Oran'. The lower side of the ray floret is red with yellow streaks for 'Goalia Scarl' while it is brown red with yellow green streaks for 'Balnovburs' and orange red with red and yellow green streaks for 'Goalia Oran'.

Description:

PLANT: rounded bushy growth habit
STEM: medium green, no anthocyanin colouration

LEAF: simple type, 2.3:1 length/width ratio, medium green on upper side, wings on petiole present, few and moderately deep incisions on margin, smooth or very weakly rugose texture on upper side, raised veins on upper side

FLOWER HEAD: no anthocyanin colouration of the peduncle, positioned at the same level to moderately above foliage, attitude relative to peduncle ranges from weakly acute to moderately acute, collerette type, one coloured, medium red colour group, 8 ray florets per flower head, collar segments moderately shorter than ray florets
RAY FLORET: 1.6:1 length/width ratio, distal quarter is moderately reflexed, cross-section at mid-point is flat and weakly convex in U-shape, lateral margins at middle are flat, dentate tip, even colour distribution, red with darker red tones on upper side, red with yellow streaks on lower side, ray florets and collar segments are different colours
COLLAR SEGMENT: yellow green with red streaks along margin
DISC: small diameter in relation to flower head, yellow before anther dehiscence, yellow orange at anther dehiscence

Origin & Breeding History: 'Goalia Scarl' was developed as part of a planned pedigree breeding program by the breeder, Pim Kaagman, of Goldsmith Seeds Europe B.V. in Andijk, The Netherlands. It originated from a cross made in September 1999 between 'DT-32-2' as the female parent and 'DU-43-1' as the male parent. In May 2002, 'Goalia Scarl' was selected based on its flower colour, flower form and plant growth habit.

Tests & Trials: Trials for 'Goalia Scarl' were conducted in a polyhouse during the summer of 2007 at BioFlora Inc. in St. Thomas, Ontario. The trial included 15 plants per variety. All plants were grown from rooted cuttings and transplanted into 15 cm pots on May 10, 2007. Observations and measurements were taken from 10 plants of each variety on July 27 and August 8, 2007. All colour determinations were made using the 2001 Royal Horticulture Society (RHS) Colour Chart.

Comparison tables for 'Goalia Scarl' with reference varieties 'Goalia Oran' and 'Balnovburs'

Plant height (cm)

Colour of ray floret (RHS)

Click on image for larger view

Dahlia: 'Goalia Scarl' (left) with reference varieties 'Goalia Oran' (centre) and 'Balnovburs' (right)