Goalia Oran

Dahlia

Variety Description

Varieties used for comparison: 'Goalia Scarl' (Goldalia Scarlet) and 'Balnovburs' (Dahlietta Sunburst)

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

Description:

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

LEAF: simple type, 2.5:1 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 moderately acute to upright, collerette type, one coloured, orange colour group, 8 ray florets per flower head, collar segments moderately shorter than ray florets
RAY FLORET: 1.3:1 length/width ratio, distal quarter is weakly reflexed, cross-section at mid-point is weakly convex in U-shape, lateral margins at middle are flat to revolute, weakly dentate tip, even colour distribution, upper side is red to orange red with red centre, lower side is orange red with yellow green streaks, ray florets and collar segments are different colours
COLLAR SEGMENT: yellow
DISC: medium diameter in relation to flower head, yellow before anther dehiscence, yellow to orange at anther dehiscence

Origin & Breeding History: 'Goalia Oran' 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 Oran' was selected based on its flower colour, flower form and plant growth habit.

Tests & Trials: Trials for 'Goalia Oran' 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 Oran' with reference varieties 'Goalia Scarl' and 'Balnovburs'

Plant height (cm)

Colour of ray floret (RHS)

Click on image for larger view

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