The World of Apples

Apple varieties, United Kingdom

Oporto

The record of the National Fruit Collection, at Brogdale in Kent, describes it1:

Raised by Harry Pring, England and introduced by W. Peters, Leatherhead, Surrey. It was received by the National Fruit Trials in 1911. Received an Award of Merit from the RHS in 1914. Fruits have firm, crisp, white flesh which is slightly acid.

Sources

  1. Oporto (accession 2000 - 045), National Fruit Collection, Brogdale, Kent (Defra). Supports: the description quoted; the use; the fruit's size, shape and colours and the flesh, from the collection's characterisation; the picking time at Brogdale (mid october).
  2. Ploidy level (descriptor 115159), study MALUS.PLOIDYDETERMINATION.2008, USDA Agricultural Research Service, GRIN-Global, 2008. Supports: its ploidy, diploid, measured by flow cytometry on accession PI 136020 of the USDA apple collection at Geneva, New York.