Descriptions of Registered Cultivars
ORIGIN: The cultivar originated in the Northern rivers district and was introduced into cultivation in 1994. Applicant: Judy Viola
DESCRIPTION: A moderately dense medium shrub 2 metres high by 1.7 metres wide with a moderately open appearance. Axillary spines solitary, straight to 25mm long. Leaves are simple, obovate to elliptic, glabrous. Flowers white (with pink buds) approximately 10-15mm in diameter, Aug-Sept. Fruit a cylindrical berry, 4-8 cms long, 15-25mm in diameter, with firm black skin and emerald green pulp.
DIAGNOSIS: C. australasica ‘Durhams Emerald’ is a heavy bearer during Summer to late Autumn, with continual light cropping all year around. Vesicles easy to extract.
COLOUR CODE : RHS Colour Chart 1995
Fruit – skin: Black Group 202A
Vecicles: Green Group 138A
CULTIVATION: This cultivar has been test grafted on a number of rootstocks and shows no signs of incompatibilty. It also shows resistance most citrus pests and diseases. There is no sunburn or insect damage on leaf.
ACCEPTED FOR REGISTRATION ON: 1 February 2007