小白梨分布于黄河以南山东省济南市、历城、长清等县,是山东省外销的早熟优良品种,出口商品名称为‘泰山美人梨’;胎黄梨分布于黄河以北,包括山东省德州市、陵县、平原、乐陵和禹城等县及河北省交河一带,也是出口的早熟优良品种。早在50年代末山东省果树资源调查时,已发现此两 Xiaobai pear is distributed in Jinan, Shandong, Changqing and other counties south of the Yellow River and is an early-maturing fine variety for export in Shandong Province. The name of the export commodity is ’Taishan Beauty Pear’; the fetal yellow pear is distributed in the north of the Yellow River and includes Dezhou City, Shandong Province, Lingxian, plain, Leling and Yucheng counties and Hebei Province Jiaohe area, is also exporting precocious varieties. As early as the late 50s, Shandong Province, fruit resources survey, have found these two