|Trade name:||Dolce Blackcurrant|
A. Wijnhout, Lisserbroek, Netherlands
|Agent in Canada:||
38723 Fingal Line
St. Thomas, Ontario
|Grant of Rights Date:||2010-02-18|
|Grant of Rights Termination Date:||2028-02-18|
Varieties used for comparison: 'TNHEU044' (Dolce Licorice) and 'Velvet Night'
Summary: 'PWHEU0109' has stronger undulation of the leaf margin than 'Velvet Night'. The main colour on the upper side of the leaf blade is grey for 'PWHEU0109' while it is dark purple for 'TNHEU044' and dark grey for 'Velvet Night'. The lower side of the leaf blade is purple for 'PWHEU0109' while it is red to purple for 'TNHEU044'. The upper side of the leaf blade has more conspicuous venation for 'PWHEU0109' than for both reference varieties.
PLANT: growth habit intermediate between upright and arching
LEAF: palmate, weak rugosity, broad ovate, closed to partly overlapping, medium depth lobing, margins ciliate with shallow crenate incisions, medium to strong undulation of margin, weak to medium glossiness, very sparse pubescence on upper side, absent to very sparse pubescence on lower side, grey on upper side, purple on lower side
PETIOLE: sparse pubesence.
Origin & Breeding History: 'PWHEU0109' was discovered as a chance seedling of unknown parentage, in Hillegom, The Netherlands in October 2001. Selection criteria included foliage colour and shape.
Tests & Trials: Trials for 'PWHEU0109' were conducted in a polyhouse during the spring of 2008 in St. Thomas, Ontario. The trial included a total of 15 plants of each variety. All plants were grown from rooted cuttings which were transplanted into 15 cm pots on May 16, 2008. Observations and measurements were taken from 10 plants of each variety on August 6, 2008. All colour determinations were made using the 2001 Royal Horticultural Society (RHS) Colour Chart 2001.
Comparison tables for 'PWHEU0109' with reference varieties 'TNHEU044' and 'Velvet Night'
Colour of upper side of leaf blade (RHS)
|new growth - between veins||202B-C||N186A (darker than)||202B (lighter than)|
|new growth - veins||N186A||N187B-C||186A|
|mature growth - between veins||198B (greyer than)||202B||202B-C|
|mature growth - veins||N200A||200A||202A|
Colour of lower side of leaf blade (RHS)
|mature growth||N79A (darker than)||N79A (redder than)||N79A (darker than)|
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