Grapefruit was cross-breed from a Malaysian citrus pomelo fruit in West Indies in 1696, and was exported to Jamaica in the mid-18th century.

Date:
      1696
Location:
      Jamaica, West Indies

Additional Information:

• Is grapefruit a result of cross breeding between orange and pomelo …
  The grapefruit was first noticed on Barbados in 1750 and is regarded as the result of a natural cross breeding between the orange and the pomelo, a citrus fruit that was brought from Indonesia to Barbados in the seventeenth century.
• Pomelo – Wikipedia
  It is a natural (non-hybrid) citrus fruit, similar in appearance to a large grapefruit, native to South and Southeast Asia. The pomelo is one of the original citrus species from which the rest of cultivated citrus hybridized.
• Grapefruit – Wikipedia
  Grapefruit is a citrus hybrid originating in Barbados as an accidental cross between two introduced species – sweet orange (C. sinensis), and pomelo (or shaddock) (C. maxima) – both of which were introduced from Asia in the seventeenth century.
• 11 Odd Hybrid Fruits and Vegetables | Mental Floss
  Oct 11, 2013 – Tangelos are a cross between tangerines and grapefruits, or pomelos. Created by a USDA biologist named Walter Swingle in 1911, the …
• Which Fruits Are the Result of Interesting Cross-Breeding? – ProFlowers
  Apr 23, 2014 – Grapefruit: The pomelo, a tropical fruit, crossed with an orange to result in the hybrid, grapefruit. While its true origins are a little shady and …