Black Pearl

  • Season: Similar to Marion
  • Main characteristic/s: Excellent flavour, Processing variety
  • Breeder: USDA-ARS, Corvallis, USA
Characteristics of Black Pearl
  • Bred by Dr Chad Finn
  • Excellent flavour
  • Thornless cane from 30-40cm
  • Well adapted to machine harvesting for the processing market
Cropping Season
The cropping season of Black Pearl is almost identical compared to Marion.

Fruit Quality
The fruit of Black Pearl are similar in shape to Marion, being medium long conic and can have a blunt tip. The arrangement of the drupelets is uneven, similar to Marion and not as uniform as Black Diamond. Fruit firmness is similar to Marion, but better than Silvan. The colour is similar to Marion, being more black than Silvan and flavour is excellent. Excellent processed fruit quality.

Fruit Yield
Black Pearl produces similar or slightly higher yields compared to Marion and Waldo. Fruit size is similar to Silvan, tending to be larger than Kotata, Marion and Waldo, but smaller than Siskiyou, and has averaged 6.2g in trials in the USA.

Plant Characteristics
Plants of Black Pearl have a trailing habit, with canes of similar vigour to Marion and Silvan. The fruiting laterals are of moderate length, shorter than Marion, but longer than Waldo, and are similar in strength to Marion. The canes are spine-free, except for the basal 30-40 cm portion of the primocanes.

Disease Resistance
Black Pearl has been free of serious cane, leaf and fruit diseases in the USA. The variety has not been shown to be particularly susceptible to Septoria leaf spot, purple blotch, cane or leaf rust.

Use of the Variety
Black Pearl is well adapted for machine harvesting and has excellent processed fruit quality. It is a useful variety for the commercial processed blackberry industry. The variety is not likely to be well suited to fresh market outlets, but is suited to the amateur market. Black Pearl is expected to perform well in countries where trailing blackberries grow successfully, including Chile, New Zealand, UK, and the Mediterranean region.

Plant Supply
Black Pearl is a non-protected variety. Black Pearl plants are supplied by the following licensed propagators:

Propagation Licence Holders

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Sales Licence Holders

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Growing-on / Transformation Licence Holders

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