梨树是我省的主要果树之一,栽培历史悠久。由于梨树对自然环境、肥水条件要求不很严格,适应性强,加之我省纬度低,海拔高,日照充足,雨量充沛,气候温和,昼夜温差大,为梨树的生长发育提供了良好的自然条件,因而它在我省分布广、寿命长、产量高、风味好。据省农业厅统计,全省有梨树14万亩,占全省果树总面积49.58万亩的28.24％。但是,由于种种原因,我省许多梨园至今仍然存在一些问题,主要表现为 Pear tree is one of the province’s main fruit trees, cultivation has a long history. Because pear tree on the natural environment, fertilizer and water conditions are not very strict and adaptable, coupled with our province low latitude, high altitude, adequate sunshine, abundant rainfall, mild climate, large temperature difference between day and night, for the growth and development of pear provides a good Natural conditions, so it is widely distributed in our province, long life, high yield, good flavor. According to the Provincial Department of Agriculture statistics, the province has 14 million mu of pear trees, accounting for 28.24% of the total area of ​​495,800 mu of fruit trees in the province. However, due to various reasons, many pear orchards in our province still have some problems so far, mainly as follows: