'Gold Nugget' Mandarin

Tech ID: 24357 / UC Case 1999-266-1

Patent Status

Patent Pending



Brief Description


California is one of the largest citrus producers in the world, and the demand for fresh citrus fruit that is seedless or low-seeded is on the rise. W. Murcott mandarin is the currently popular mandarin cultivar that has been known worldwide for its high quality and about 2-3 million trees have been widely planted throughout California over the past decade. Unfortunately, isolation of citrus orchards have been difficult and consequently, W. murcott mandarins have become very seedy due to cross pollination by other citrus varieties. Therefore, consumer demands for mandarins that can maintain a low seed count and high-quality is increasing.


Brief Description:

UCR researchers developed the ‘Gold Nugget’ mandarin which is a hybrid of ‘Wilking’ and ‘Kincy’ mandarins. that has a deep orange colored flesh, extremely fine texture, and is low-seeded in all situations of cross pollination. This medium sized mandarin grows vigorously in upright form and has outstanding storage characteristics on its trees. It matures in mid- to late-season.


  • Low-seeded or seedless
  • Bright orange and finely textured
  • Exceptional quality – rich, sweet, juicy
  • Smooth and easy-to-peel rind
  • Mid-late season – matures by March with summer-harvest good quality


  • Areas with mid-late season marketing window


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Other Information


Mikeal Roose, gold nugget, citrus, fresh fruit, global food, orange, California Citrus, low seeded, citrus breeding, Timothy Williams, seedless, citrus mandarin, orange, cross pollination, late-maturing mandarin hybrid, diploid mandarin hybrid, wilking mandarin, kincy mandarin

Categorized As