砀山酥梨属自花不孕品种，在生产栽培管理中，除合理配置授粉品种外，为了提高座果率，还采用单朵点授的方法进行人工辅助授粉，这是确保砀山酥梨丰产的关键性技术措施，但由于花期短、数量大、需劳力多，此项工作相当紧张。为了明确点授住头数多少对砀山酥梨座果和果形的影响? Dangshan pear is a self-fertility varieties, in the production and cultivation management, in addition to rational allocation of pollination varieties, in order to improve the rate of fruit set, but also the use of a single point of the method of artificial pollination, which is to ensure that Dangshan pear production The key technical measures, but due to the short flowering period, a large quantity and more labor required, the work is quite tense. In order to clarify the number of points to give Qadunshan pear fruit and fruit shape impact?