U.S. Patent PP26,312
Southern Highbush Blueberry Variety
Jewel is a mid-season cultivar with a somewhat high yield potential, but is susceptible to fungal leaf diseases.
Cultivar name: Jewel (selection code FL92-176)
Recommended for Florida: no, too late for the Florida market window.
FL region best adapted to: none
Production system: deciduous
Hydrogen cyanamide: Recommended; sensitive, requires a low dose
Machine Harvestability: No data yet; lower fruit firmness may not be ideal for machine harvesting.
Per plant yields (Density 1,452-1,742 plants/acre):
o North-central FL (2018): 1.6 lbs/plant
o Central FL (2013-2014): 3.5 – 4.8 lbs/plant, average 4.1 lbs/plant
Known disease susceptibility: susceptible to fungal leaf diseases, including rust and target spot
Known insect damage susceptibility: some susceptibility to chilli thrips injury has been observed.
Fruit quality data:
o Fruit firmness: 166 – 205 g/mm, average 180 g/mm, lower than Emerald
o Berry Weight: 1.7 – 2.5 grams, average 2.2 grams, similar to Emerald
o Berry Diameter: 15.4 – 17.7 mm, average 17.0 mm, smaller than Emerald
o Brix: 10.2 – 11.6, average 11.1, similar to Emerald
o Brix/Acid Ratio: 20.6 – 32.5, average 26.4, higher than Emerald
o Fruit scar: normal (small and dry), similar to Emerald
o Wax/bloom: medium
o Fruit defects: none observed
o Flavor Score: 25.4 – reference Emerald (19.9), Kestrel (29.0)
o Aroma: none
Cultivars with overlapping timing of flowering: Emerald, Farthing, Magnus, Meadowlark, Patrecia, Primadonna
Other information: Fruit softer than Emerald. Berries tart until fully ripe.
License availability: For a list of current nursery licensees in the USA, click here