U.S. Patent PP26,312
Southern Highbush Blueberry Variety
Optimus is an early season, high-yielding cultivar developed for machine harvesting.
Cultivar name: Optimus (selection code FL08-262)
Recommended for Florida: yes
FL region best adapted to: north-central and central Florida (trials being performed in south-central Florida)
Production system: performs well in the deciduous system; additional data to be gathered for evergreen system
Hydrogen cyanamide: possible; can perform well with a low dose. Trials being performed.
Machine harvestability: Possible; has performed well in machine harvest trials.
Per plant yields (Density 1,452-1,742 plants/acre):
o North-central FL (2018-2019): 6.7 – 10.8 lbs/plant, average 9.3 lbs/plant
o Central FL (2018-2020): 6.5 – 7.0 lbs/plant, average 6.7 lbs/plant
Known disease susceptibility: none observed to date
Known insect damage susceptibility: none observed to date
Fruit quality data:
o Fruit Firmness: 199 – 255 g/mm, average 234 g/mm, higher than Emerald and Farthing
o Berry Weight: 1.5 – 2.1 grams, average 1.7 grams, lower than Emerald
o Berry Diameter: 15.0 – 17.5 mm, average 15.8 mm, smaller than Emerald
o Brix: 10.2 – 13.1, average 12.3, higher than Emerald, similar to Kestrel
o Brix/Acid Ratio: 22.0 – 103.8, average 47.4, better than Emerald
o Fruit Scar: normal (small and dry), similar to Emerald
o Wax/Bloom: high
o Fruit Defects: none observed
o Flavor Score: 24.6 – reference Emerald (19.9), Kestrel (29.2)
o Aroma: none
Cultivars with overlapping timing of flowering:
o North-central FL – Patrecia, Vireo, Magnus
o Central FL – Arcadia, Avanti, Chickadee
Other information: Great early yield potential, fits well with FL window. Very well suited for machine harvest. Good natural early leafing. Mid-sized berry may not be preferred by hand pickers.
License availability: For a list of current nursery licensees in the USA, click here.