中国是世界上梨属植物的发源地之一,远在2500年前就从事梨的经济栽培。古典著作及近代研究表明:我国西北、西南梨的种质资源丰富多采。调查研究我省梨的种质资源,发掘优良品种类型,并用于育种工作,有着长远的重要意义。我省梨的栽培历史悠久。据《大唐西域记》载,早在2000年前河西走廊就有梨树栽培。公元前后一世纪(印度加腻色王朝时期) China is one of the birthplaces of the genus Pyrus in the world and has been engaged in the economic cultivation of pears since 2500 years ago. Classical works and modern studies show that: Northwest China, Southwest pear rich variety of germplasm resources. It is of long-term significance to investigate the germplasm resources of pear in our province, discover the types of fine varieties, and use it for breeding work. Pear cultivation in our province has a long history. According to “Datang Western Records”, as early as 2000 Hexi Corridor pear cultivation. The first century BC (India plus the dynasty)