荔枝原产我国南方,是典型的亚热带常绿果树,对气候条件要求严格,因而扩展非常局限而缓慢,温度是经济栽培决定性因子。我国汉代曾多次移植于陕西,宋代又曾移植于河南,均因气候不适而失败。十六世纪后,不少国家先后引种,现在全世界有荔枝分布的仅20多个国家和地区,但有商品生 Litchi native to southern China, is a typical subtropical evergreen fruit trees, demanding on climatic conditions, and thus extended very limited and slow, temperature is the decisive factor in economic cultivation. Han Dynasty in China has repeatedly transplanted to Shaanxi, Song Dynasty and also transplanted in Henan, both due to climate failure. After the 16th century, many countries have successively introduced, and now there are only over 20 countries and regions in the world where lychee is distributed. However, there are commodities