Pomologist David Karp, who also writes the Market Watch column for the LA Times, has been researching the Dekopon for years. It's a Japanese citrus variety that is just now available in Southern California. The fruit is being marketed in the US under the name Sumo. It's a cross between an orange and a satsuma mandarin. Read David's full account of the Dekopon in the LA Times.
KCRW
