|Trade name:||Courtyard Buttercream|
|Botanical Name:||Argyranthemum frutescens|
Cunneen, Thomas Michael
P.O. Box 21
Buxton, New South Wales
Thomas M. Cunneen, Cunneen, Thomas Michael, Buxton, Australia
|Agent in Canada:||
38723 Fingal Line
St. Thomas, Ontario
|Grant of Rights Date:||2009-05-25|
|Date rights surrendered:||2010-07-15|
Variety used for comparison: 'Bonmadcimro' (Madeira Crested Primrose)
Summary: 'PB1V2' has an upright growth habit while 'Bonmadcimro' has a rounded growth habit. The plants of 'PB1V2' are of a medium density while those of 'Bonmadcrimro' are dense. The ray florets of 'PB1V2' have reflexed curvature of the longitudinal axis while 'Bonmadcimro' are straight. 'PB1V2' has lighter yellow disc floret tubes than 'Bonmadcimro'.
PLANT: upright growth habit, medium density, no anthocyanin colouration on stem
LEAF BLADE: short to medium length, narrow, medium green on upper side
LEAF BLADE LATERAL LOBE: short, narrow, shallow to medium depth
FLOWER: anemone type, small to medium diameter
RAY FLORET: reflexed curvature of longitudinal axis, short to medium length, one coloured on upper side, yellow green (RHS 150D) upper side, white (RHS 155C) lower side
FLORET DISC: medium to large diameter, light yellow (RHS 4D) tube, yellow (RHS 7B-C) apex
Origin & Breeding History: 'PB1V2' originated from a controlled cross conducted on June 6, 1999 in Balmoral Village, Australia between the unnamed seedlight x98060.3 and a pollen mixture from the siblings of x98060.3. The seeds from this cross were sown in September 1999 and the new Argeranthemum variety was selected from the resultant progeny in February 2000. Selection of the new variety was based on yellow flower colour, continuous flowering and compact growth habit. 'PB1V2' was subsequently established in tissue culture where it was reselected for stability in flower form. The variety was first propagated by vegetative stem cuttings in November 2002 at Balmoral Village, Australia.
Tests & Trials: Trials for 'PB1V2' were conducted in a polyhouse during the spring of 2008 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 11 cm pots on March 19, 2008. Observations and measurements were taken from 10 plants of each variety on May 23, 2008. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart.
Comparison table for 'PB1V2' with reference variety 'Bonmadcimro'
Colour of disc florets (RHS)
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