山核桃为重要的木本油料及干果树种,具有寿命长、产量高的特点,深受群众欢迎。但其分布地区有很大局限性,就全国而言仅限于皖、浙交界的天目山区以及湘、桂、黔三省部分地区。浙江为山核桃重点产区,但分布亦限于浙西小片地区。近年来虽各地竞相引种,扩 Hickory is an important woody oil and dried fruit species, with long life, high yield characteristics, welcomed by the masses. However, its distribution has great limitations. It is limited to the mountainous areas of Tianmu and the parts of Hunan, Guangxi and Guizhou provinces in Anhui and Zhejiang at the national level. Zhejiang is the key producing area of ​​hickory, but the distribution is limited to a small area in western Zhejiang. Although in recent years competing around the introduction, expansion