The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) recently provided additional information about the UF-1424 mandarin variety previously known as Greenie. “UF Citrus Selection 1424: A Promising Early-Season Mandarin for Cold-Hardy Regions,” an article by Alaiha Asif, Muhammad Shahid, John Chater and Fred Gmitter, appeared in the April Cold Hardy Citrus Connection.
FRESH MARKET SUITABILITY
UF-1424 is best suited for fresh-fruit markets. Although the pronounced neck at the stem end was initially considered a potential drawback for packing-line handling, commercial trials have demonstrated that the fruit performs well.
The fruit does have a relatively soft texture compared with standard commercial mandarins, which may limit its suitability for long-distance shipping and large-scale wholesale distribution. However, it handles well under careful harvesting and standard postharvest practices.
This variety shows strong potential for local and direct-market channels. This includes u-pick operations, roadside stands, dooryard plantings and other direct-to-consumer outlets. The variety’s unique appearance, excellent flavor and seedless nature provide opportunities for creative marketing strategies that can help differentiate it in the marketplace.
COLD TOLERANCE
UF-1424 has demonstrated encouraging tolerance to early-season cold events. Trees have maintained good foliage health, fruit set and external fruit quality following exposure to moderate freezing conditions, with limited visible injury.
Under more severe freezes lasting longer than five hours, mature trees may respond with leaf curling, leaf drop from terminal branches and some fruit drop as a natural protective mechanism. Even under these conditions, UF-1424 exhibits significantly less freeze-related deadwood compared with more sensitive cultivars such as grapefruit, and trees typically recover quickly in the spring. Young trees, however, require additional care and freeze protection during the first three years of establishment.
Overall, the level of cold resilience combined with early maturity and excellent fruit quality supports the suitability of UF-1424 for production in regions where early-season cold events can pose challenges. Thus includes North Florida, South Georgia and Alabama.
Learn more about the variety here.
Source: UF/IFAS
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