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https://fruitandnuteducation.ucanr.edu/fruitnutproduction/Persimmon/Persimmon_Scion_Rooststock_Selection/Are American Persimmon fruit astringent ? The fruit is not seen much in Australia.
Diospyros lotus is compatible with all astrigent D.kaki and with non-astringent D.kaki -JIRO, but generally speaking D.lotus is incompatible with pcna type kaki. The incompatibility can be overcome by using an astringent type kaki as interstock.