1·There are about 190 species of Diospyros in the world. They mainly distribute in the tropic and subtropic zone, especially in East Asia.
全世界的柿属植物共约190种，主要分布在热带和亚热带，尤其是东亚。
2·The Diospyros used as fruit tree was discussed in aspect of economic value, the origins, history of culture, cultivar resources, cultivar development, traits heredity, and cultivar breeding.
以作为果树栽培的柿属植物为对象，对其经济价值、起源、栽培历史、品种资源、品种演化、性状遗传和品种选育等方面的研究现状和进展进行了较为详细的阐述。