Diseases and Disorders of Kaki Plants
7-8 year old Kaki plants grown in a greenhouse. The leaves are yellow, stems twisted and some with black color, low yield. These kaki trees were doing very well under the same growing conditions.
Something must have changed if the plants were doing well and are now struggling. Try to figure out what is different. Hopefully this link will help: http://treesandshrubs.about.com/od/fruitsnuts/p/GrowingJapanesePersimmon.htm