梨是原产我国的古老树种,在南方(长江以南)有广泛栽培,通称南方梨区。因该区夏季高温多湿,只适宜砂梨系统和少量杂交后代良种栽植。从产量看远不及北方梨区,约占全国总产不足20%。栽植区较分散,大致可划分为东南区的浙、沪、苏南、闽、赣,中南区的鄂、湘、皖南、豫南,西南区的 Pear is a native species of ancient China, widely cultivated in the south (south of the Yangtze River), commonly known as the Southern pear district. Because the area is hot and humid in summer, only suitable for sand pear system and a small amount of hybrid offspring planted. Far less than the northern pear region from the output, accounting for less than 20% of the country’s total output. The planting area is relatively decentralized and can be roughly divided into Zhejiang, Shanghai, southern Jiangsu, south Fujian, Jiangxi, central and southern regions of Hubei, Hunan, Anhui, Henan, southwest of the