梨,蔷薇科落叶乔木,栽培历史悠久。《史记》载:“淮北荥南河济之间千株梨,其人与千户侯等也。”如今,梨踪遍及大江南北,且以华北、华东栽培为盛。我国栽培的梨子主要为秋子梨、白梨、沙梨和西洋梨等四个种类,采收期自农历七月延续至十月,果皮有黄、绿、白等色,果实形状多异。按成熟状态又分采后即可 Pear, Rosaceae deciduous trees, cultivation has a long history. “Records of the Historian” contains: “Thousands pear between Taonan River in Huaibei and Houli et al.” Nowadays, pear traverses all over the river from north to south, and is cultivated in North China and East China. Pear cultivated in our country mainly include four types of autumn pear, white pear, pear and pear. The harvest period lasts from July to October in the lunar calendar. The peel has yellow, green and white colors, and the fruit shapes are different. According to the mature state can be sub-mining