U.S. Patent PP26,312
Southern Highbush Blueberry Variety
General Description
Primadonna is early and has machine harvesting potential.
Cultivar name: Primadonna
Recommended for Florida: no
FL region best adapted to: none
Production system: deciduous
Hydrogen cyanamide: recommended; sensitive, requires a very low dose
Machine Harvestability: Possible; performed well in grower-reported machine harvesting
Per plant yields (Density 1,452-1,742 plants/acre):
o North-central FL (2019): 6.9 lbs/plant
Known disease susceptibility: Botryosphaeria stem blight
Known insect damage susceptibility: none observed to date
Fruit quality data:
o Fruit firmness: 203 – 228 g/mm, average 217 g/mm, higher than Emerald
o Berry Weight: 2.1 – 2.6 grams, average 2.3 grams, similar to Emerald
o Berry Diameter: 17.0 mm, smaller than Emerald
o Brix: 11.3 – 12.9, average 12.1, higher than Emerald
o Brix/Acid Ratio: 29.1 – 87.5, average 58.9, much higher than Emerald
o Fruit scar: normal (small and dry), similar to Emerald
o Wax/bloom: medium, similar to Emerald
o Fruit defects: none observed
o Flavor Score 24.3 – reference Emerald (19.9), Kestrel (29.2)
o Aroma: low
Cultivars with overlapping timing of flowering: Emerald, Farthing, Jewel, Magnus, Meadowlark
Other information: good natural leafing, mid-size berry may not be preferred by pickers, may require freeze protection in January
License availability: For a list of current nursery licensees in the USA, click here
License Availability
For licensing availability contact Florida Foundation Seed Producers (FFSP):