Cultivated pears are economically one of the most important fruits in temperate regions. Two separate taxonomic groups are distinguished, a European and Southwest Asian group, and an East Asian gro...

中文翻译：

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欧洲野生梨的驯化，特别是高加索特有的梨梨亚种。高加索 (联邦) Browicz

栽培梨是温带地区最重要的经济水果之一。有两个独立的分类群，一个是欧洲和西南亚群，另一个是东亚群……