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U.S. Patent PP26,312
Southern Highbush Blueberry Variety

Southern Highbush Blueberry Variety

U.S. Patent


General Description

Emerald has very high yield potential for the mid season in central Florida window, vigorous growth, and large berries with good shipping qualities.

Cultivar name: Emerald (selection code FL 95-209a)

Recommended for Florida: yes

FL region best adapted to: central Florida

Production system: deciduous

Hydrogen cyanamide:recommended; a moderate to high dose can result in earlier fruit ripening.

Machine Harvestability: Possible; tight clusters may need hand picking before any machine harvesting.

Per plant yields (Density 1,452-1,742 plants/acre):

o North-central FL (2015-2021): 9.18 – 16.8 lbs/plant, average 13.5 lbs/plant (mid-late season)

o Central FL (2013-2014): 4.9 – 8.3 lbs/plant, average 6.6 lbs/plant (reported by grower)

Known disease susceptibility: target spot

Known insect damage susceptibility: none observed to date

Fruit quality data:

o Fruit firmness: 184 – 211 g/mm, average 195 g/mm

o Berry Weight: 1.8 – 2.9 grams, average 2.4 grams

o Berry Diameter: 17.2 – 19.6 mm, average 18.4 mm

o Brix: 9.5 – 12.7, average 11.3

o Brix/Acid Ratio: 13.5 – 36.7, average 26.5

o Fruit scar: normal (small and dry)

o Wax/bloom: medium

o Fruit defects: none observed

o Flavor Score: 19.9 – reference Arcadia (21.6), Kestrel (29.0)

o Aroma: none

Cultivars with overlapping timing of flowering:

o North-central FL – Magnus, Optimus

o Central FL – Arcadia, Chickadee, Kestrel (all in evergreen system) when Emerald with hydrogen cyanamide application blooms

Other information: vigorous bush, early bloom, long harvest period

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):​​

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