North American Fruit Explorers mailing list at ibiblio

["Rodney Eveland" <reveland@collinscom.net>]

There are several interesting articles in NAFEX in May of 2003
https://lists.ibiblio.org/sympa/arc/nafex/2003-May/subject.html#start

Look at both kaki and persimmon. You may be onto something as no one
has yet figured out what exactly is happening,  but I like the
Manganese/stress theory best.

Here is the Clemson link that is mentioned in one of them.
http://www.clemson.edu/hort/Kaki.htm